2.0L Generic Scan Tool, Engine Code(s): Aeg (A4 Platform): Other Volkswagen Jetta IV

Fuel Supply System

For all fuel supply system component locations. Refer to 20 FUEL SUPPLY .

For all fuel supply system removal/installation procedures and torque specifications. Refer to 20 FUEL SUPPLY .

Check the Technical Bulletins for information that may supersede any information included in this manual. Refer to EBAHN-Website.

Note. All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an equivalent aftermarket tool or are available for purchase through VW. Refer to Tool catalog. Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure illustrations showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed in the same manner as the manufacturers special tool.

Safety precautions

Perform the following steps before beginning work on the fuel supply system

1. Observe procedures for disconnecting battery. «27 BATTERY, STARTER, GENERATOR, CRUISE CONTROL»(ref-255035-S18259087982007052300000) .
2. Open the fuel filler flap briefly and then close again.

When removing and installing components from full or partially full fuel tanks, observe the following

1. The fuel tank must only be partially full. How much fuel can remain in the fuel tank may be read in the respective work description. Empty the fuel tank if necessary.
2. Before starting work, switch on the exhaust extraction system and place an extraction hose close to the installation opening of the fuel tank to extract escaping fuel fumes. If no exhaust extraction system is available, a radial fan (as long as motor is not in air flow) with a displacement greater than 15 m 3 /h can be used.
3. Prevent fuel from contacting the skin! Wear fuel-resistant gloves!

Rules for cleanliness

When working on the fuel supply/injection system, pay careful attention to the following rules of cleanliness

1. Thoroughly clean all connections and the surrounding area before disconnecting.
2. Place parts that have been removed on a clean surface and cover them. Do not use fluffy cloths!
3. Carefully cover over opened components or seal, if repairs are not performed immediately.
4. Only install clean components: Only unpack replacement parts immediately prior to installation. Do not use parts that have been stored unpacked (e.g. in tool boxes etc.).

1. When the system is open: Do not work with compressed air. Do not move vehicle unless absolutely necessary.

Function and voltage supply, checking

1. Battery voltage at 12.5 V
2. Fuse for Fuel Pump (FP) on fuse holder OK --> Electrical Wiring Diagrams, Troubleshooting and Component Locations.

1. Switch ignition on.

1. Fuel Pump (FP) must briefly start up audibly.

Note. Fuel Pump (FP) runs quietly.

1. Switch off ignition.

If Fuel Pump (FP) does not start up

1. Remove seat bench. Refer to «72 - SEAT - FRAMES»(ref-255030-S01392851412007052300000) .

Scheme 590

1. Remove the cover - 1 - from fuel delivery unit. Arrow - 2 - points in direction of travel.

Note. On vehicles with auxiliary heater, harness connector of Metering Pump V54 must also be disconnected.

Scheme 591

1. Disconnect connector - 1 -.

Scheme 592

1. Connect Low current voltage tester to outer terminals of connector.
2. Switch ignition on.

1. LED must light up briefly.

If LED does not light up briefly

1. Locate and repair open circuit in wiring.

LED lights up briefly

1. Remove fuel delivery unit.
2. Check if electrical wiring between flange and fuel pump is connected.

If no open circuits are found

1. Fuel Pump (FP) faulty, replace fuel delivery unit.
2. For all fuel supply system removal/installation procedures and torque specifications, refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

Checking fuel pressure

Special tools, testers and auxiliary items required

1. High pressure fuel gauge

Scheme 593

1. Remove the fuel supply line - 2 - and catch leaking fuel using a rag.

Scheme 594

1. Install a High pressure fuel gauge in place of the fuel supply line.
2. Open the shut-off valve of the High pressure fuel gauge.
3. Switch the ignition on and off until the fuel pressure on no longer rises.
4. Check the indicated fuel pressure on the High pressure fuel gauge.

Specified value: 3.5 to 5.0 bar.

If the fuel pressure is OK, check the residual pressure. Refer to --> Checking residual pressure .

If specified value is obtained

1. Check the return line between the fuel filter and the fuel pump for kinks and blockage.

If no malfunction is found in the return line between the fuel filter and the fuel pump

1. The pressure relief valve in the fuel filter is malfunctioning, replace the fuel filter. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

If specified value is not obtained

1. Check the fuel pressure in front of the fuel filter.

Scheme 595

1. Connect a High pressure fuel gauge between the fuel filter and the fuel supply line.
2. Open the shut-off valve of the High pressure fuel gauge.
3. Start the engine and let it run at idle.

Scheme 596

1. Slowly close the shut-off valve of the High pressure fuel gauge. Pressure must increase to min. 6.0 bar. If 6 bar is reached, open shut-off valve again immediately!

If the fuel pressure increases

1. The pressure relief valve in the fuel filter malfunctioning, replace the fuel filter. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

If the fuel pressure does not increase

1. Replace the fuel pump. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of procedure

Checking residual pressure

Special tools, testers and auxiliary items required

1. High pressure fuel gauge

Test requirements

1. Fuel pressure OK

Procedure

1. Disconnect the fuel supply line - 2 - and catch leaking fuel using a rag.

1. Install a High pressure fuel gauge in place of the fuel supply line.
2. Open the shut-off valve of the High pressure fuel gauge.
3. Switch the ignition on and off until the fuel pressure no longer increases.
4. Check the indicated fuel pressure on the High pressure fuel gauge.

Specified value: 3.5 to 5.0 bar.

1. Observe the pressure drop on the pressure gauge. Pressure must not fall below 3.0 bar within 10 minutes.

If pressure drops further

1. Switch the ignition on and off until the fuel pressure on no longer rises.

1. Immediately close the shut-off valve of High pressure fuel gauge.

If the fuel pressure falls again

1. Check the fuel line to the high pressure pump for proper seal.

If no malfunction can be found

1. Replace the high pressure pump. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

If the fuel pressure no longer falls

1. Check the fuel line to the fuel filter for proper seal.

If no malfunctions are found on the fuel line

1. Check the fuel pump check-valve.

1. Connect a High pressure fuel gauge between the fuel filter and fuel supply line.
2. Open the shut-off valve of the pressure gauge.
3. Switch the ignition on and off until the fuel pressure no longer increases.
4. Check the indicated fuel pressure on the High pressure fuel gauge.

Specified value: 3.5 to 5.0 bar.

1. Observe the pressure drop on the pressure gauge. Pressure must not fall below 3.0 bar within 10 minutes.

If pressure drops further

1. Immediately close the shut-off valve of High pressure fuel gauge.
2. Observe the fuel pressure drop on the pressure gauge.

The fuel pressure must not fall below 3.0 bar within 10 minutes.

If the fuel pressure falls

1. The check-valve in the fuel pump is faulty, replace fuel pump. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

If pressure does not fall

1. The pressure relief valve in the fuel filter malfunctioning, replace the fuel filter. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of procedure

Checking fuel delivery

Special tools, testers and auxiliary items required

1. Hand held remote control (jumper).
2. Multimeter.
3. Electrical connector test lead set.
4. Fuel pressure test set (high pressure).

1. Measuring container, fuel-resistant.

Test conditions

1. Battery voltage 12.5 V
2. Fuel filter OK
3. Fuel tank at least 1 / 4 filled.
4. Fuel pressure regulator OK.

1. Ignition switched off.

Procedure

1. Remove fuel filler cap from fuel filler tube.
2. Remove the rear seat bench, «72 - SEAT - FRAMES»(ref-255030-S01392851412007052300000) .

Scheme 597

1. Remove the cover - 1 - with Fuel Pump (FP) Control Module J538 - 2 - from the fuel pump.
2. Connect a Hand held remote control (jumper) to terminal - 1 - of the fuel delivery unit and to vehicle battery (+).

Scheme 598

1. Connect a jumper cable from a Electrical connector test lead set to terminal - 5 - of the fuel delivery unit and to vehicle Ground (GND).

1. Disconnect the fuel supply line - 2 - and catch escaping fuel using a rag.

Note. Press in securing ring to disengage the fuel lines.

1. Connect a High pressure fuel gauge between the fuel filter and fuel supply line.

Scheme 599

1. Connect a fuel line from the High pressure fuel gauge to the disconnected fuel return line and hold it in the measuring container.

1. Close the shut-off valve of High pressure fuel gauge.
2. Press switch on the Hand held remote control (jumper) while opening the shut-off valve slowly until 4 bar positive pressure is indicated on pressure gauge. Do not change position of the shut-off valve.
3. Empty into the measuring container.

Delivery rate of the fuel pump is dependent on the battery voltage.

1. Operate the remote control for 30 seconds.
2. Using a Multimeter , check battery voltage while the fuel pump is running.

Scheme 600

1. Compare the fuel quantity pumped with the specified value.

*) Minimum delivery rate cm 3 /30 s

**) Voltage at the fuel pump with the engine off and the fuel pump running (approx. 2 Volts less than battery voltage).

Read-out example

During test, a voltage of 12.5 Volts is measured at battery. Since voltage at the pump is approx. 2 Volts less than battery voltage, there is a minimum delivery rate of approx. 580 cm 3 /30 s.

If the minimum delivery rate is not obtained

1. Check fuel lines for restrictions (kinks) or clogging.

If no malfunction can be found

Scheme 601

1. Disconnect the supply hose - 1 - from the fuel filter input.
2. Connect a High pressure fuel gauge between the fuel filter and fuel supply line.
3. Repeat the delivery rate test.

If the minimum delivery rate is obtained

1. Replace the fuel filter. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

If the minimum delivery rate is not obtained

1. Remove the fuel pump and check the strainer filter for dirt.

If no malfunctions have been found

1. Replace the fuel pump. For all fuel supply system removal/installation procedures and torque specifications. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of procedure

Evaporative Emissions (EVAP) System

For all EVAP system component locations and hose routing. Refer to 20 FUEL SUPPLY .

For all EVAP supply system removal/installation procedures and torque specifications. Refer to 20 FUEL SUPPLY

Check the Technical Bulletins for information that may supersede any information included in this manual. Refer to EBAHN-Website.

Note. All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an equivalent aftermarket tool or are available for purchase through the manufacturer. Refer to Tool catalog. Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure illustrations showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed in the same manner as the manufacturers special tool. The manufacturers test box Adapter F/VAG1598 (68 Pin) VAG1598/22 is available for purchase or rental. Refer to the Tool catalog.

EVAP system, leak detection

Function

The leak detection system recognizes leaks in the complete fuel system, including the fuel tank, EVAP canister and the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80.

On the mechanical side, the leak detection system consists mainly of a vacuum-driven diaphragm pump equipped with a reed contact on the actuation rod of the pump diaphragm. The pump is supplied with vacuum via the engine intake stroke.

1. When leak detection is activated, the diaphragm pump pumps the fuel system up to 20 30 mbar. The pump diaphragm is then moved out so that the reed contact at the operating rod remains in the "open" position.
2. During the leak diagnosis, the reed contact is monitored to check if it remains open within 10 seconds. This indicates the system is sealed.
3. If the pressure falls (indicating a leak), the diaphragm moves back and the reed contact closes.
4. If the reed contact closes within 10 seconds of leak detection time, a further test is performed: In this case the diaphragm pump pumps four times again. The Motronic Engine Control Module (ECM) J220 measures the time for each of the four pumps until the reed contact is closed again. From that, the control module can recognize a "small leak" (greater than 1 mm in diameter) or a "large leak".

Leak diagnosis is activated automatically shortly following every engine start. If a malfunction is determined, an entry is made to the Diagnostic Trouble Code (DTC) memory. The Malfunction Indicator Lamp (MIL) K83 in the instrument cluster lights up if the malfunction is recognized for two subsequent starts.

Evaporative Emission (EVAP) canister system, checking for proper seal

Special tools, testers and auxiliary items required

1. Smoke tester.
2. EVAP and Fuel Supply System Vacuum hose and line routing diagram.

Note. Secure all hose connections using hose clamps appropriate for the model type Parts catalog. Replace seals and gaskets when performing repair work.

Leak checking

1. Using a Smoke tester , check the Evaporative Emission (EVAP) canister system for leaks.

Note. Always follow the manufacturers directions for the proper installation and operation of the Smoke tester being used.

If a leak is detected

1. Check the fuel filler cap seal for damage and for proper installation. Replace if necessary.
2. Check the seals under the locking flanges and the union nuts are properly tightened on the fuel tank.
3. Check all hose connections of the fuel supply system and replace or repair any leaking lines.
4. Check all hose connections of the EVAP system and replace or repair any leaking lines.

1. Repair or replace any damaged component.

If no leaks are found in the EVAP and Fuel Supply System

1. Erase the DTC memory if a DTC was set. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000) .
2. Perform a road test to verify repair.

If a DTC was set and does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no leaks are found in the EVAP and Fuel Supply System

1. Check the DTC memory for any DTC codes pertaining to the EVAP and Fuel Supply Systems. If a DTC is stored, perform the diagnostic test procedure for the suspected component. Refer to --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) .

End diagnosis.

Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 , checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 fuse OK.
2. The ignition switched off.

Note. Voltage for the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 is supplied via the Fuse 43.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Remove the engine cover with air filter.

Scheme 602

1. Disconnect the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 electrical harness connector - arrow -.

Checking internal resistance

Scheme 603

1. Using a Multimeter , check the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 internal terminals 1 and 2 for resistance.

Specified value: 22.0 to 30.0 ohms.

If the specified value is not obtained

1. Replace the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80.

If the specification is obtained

Checking voltage supply

1. Using a Multimeter , check the electrical harness connector terminal 1 to 2 for voltage.
2. Operate the starter briefly.

Specified value: battery voltage.

If the specified value was not obtained

Scheme 604

1. Using a Multimeter , check the electrical harness connector terminal 1 for voltage.

1. Operate the starter briefly.

Specified value: battery voltage.

If the specified value is not obtained

1. Check the wiring connection from the electrical harness connector terminal 1 to the Fuel Pump (FP) Relay J17 terminal 23/87 for an open circuit.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the wiring connection.

If the specified value was obtained

Check Ground (GND) activation

1. Using a Multimeter , check the electrical harness connector for voltage.

1. Operate the starter briefly.

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a Multimeter , check the Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 electrical connector terminal 2 to Motronic Engine Control Module (ECM) J220 electrical connector T80 terminal 15 for an open circuit.

Specified value: 1.5 ohms max.

If the specification is not obtained

1. Check the wiring for a short circuit to Battery positive (+) or an open circuit.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the wiring connection.

If the specification was obtained

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.
3. Install the engine cover with air filter.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Leak Detection Pump (LDP) V144 , checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Leak Detection Pump (LDP) V144 fuse OK.
2. The ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Remove the right rear wheel housing liner.

Scheme 605

1. Disconnect the Leak Detection Pump (LDP) V144 electrical harness connector - arrow -.

Checking internal resistance

Scheme 606

1. Using a Multimeter , check the Leak Detection Pump (LDP) V144 for resistance as follows

If any of the specifications are not obtained

1. Replace the Leak Detection Pump (LDP) -V144-. Refer to «26 EXHAUST SYSTEM, EMISSION CONTROLS»(ref-254999-S05852911362007052300000) .

If the specified values are obtained

Checking voltage supply

Note. The voltage for the Leak Detection Pump (LDP) -V144- is supplied via the Engine Control Module (ECM) J220.

1. Check the Leak Detection Pump (LDP) -V144- for voltage.

Scheme 607

1. Using a Multimeter , check the Leak Detection Pump (LDP) -V144- electrical harness connector terminal 3 for voltage.

1. Operate the starter briefly.

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

Scheme 608

1. Using a Multimeter , check the Leak Detection Pump (LDP) -V144- electrical harness connector terminal 3 to Fuse 43 in the fuse holder for an open circuit.

Specified value: Wire resistance max 1.5 ohms.

If the specification is not obtained

1. Check the wiring for a short circuit to Battery positive (+) or an open circuit.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring and if the voltage supply was OK

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a Multimeter , check the Leak Detection Pump (LDP) -V144- electrical connector terminals to the Motronic Engine Control Module (ECM) J220 electrical connector T80 terminals for an open circuit.

Specified value: 1.5 ohms max.

If the specification is not obtained

1. Check the wiring for a short circuit to Battery positive (+) or an open circuit.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in wiring

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.
3. If DTC returns, replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

Assembly is performed in the reverse order of the removal, note the following

1. Install the right rear wheel housing liner. Refer to «66 EXTERIOR EQUIPMENT»(ref-255029-S11232948732007052300000)

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Function of "EPC" system

For "EPC" , the throttle valve is not operated by a cable from the accelerator pedal. There is no mechanical connection between the accelerator pedal and the throttle valve.

The position of the accelerator pedal is communicated to Motronic Engine Control Module (ECM) J220 via Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88 (variable resistances; stored in one housing) that are connected with the accelerator pedal.

The accelerator pedal position (drivers intention) is a main input unit for the Motronic Engine Control Module (ECM) J220.

Operation of the throttle valve occurs via an electric motor ( Throttle Position (TP) Actuator V60 ) in the Throttle Valve Control Module J338. This is true across the entire engine speed and engine load spectrum.

Throttle valve is operated by Throttle Drive (for Electronic Power Control (EPC)) G186 according to specifications of Motronic Engine Control Module (ECM) J220.

With engine off and ignition switched on, Motronic Engine Control Module (ECM) J220 controls the Throttle Position (TP) Actuator V60 exactly according to specifications of Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88. This means, if the accelerator pedal is depressed half way, the Throttle Position (TP) Sensor G88 opens the throttle valve to the same degree; i.e. throttle valve is then opened approx. half way.

With engine running (under load), Motronic Engine Control Module (ECM) J220 can open or close the throttle valve independently of Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88.

This means, for example, that the throttle valve could be fully opened even though the accelerator pedal has only been depressed half way. This has the advantage of preventing torque losses at the throttle valve.

In addition to this, it results in significantly better values relative to emissions and consumption under certain load conditions.

It would be incorrect to think that "EPC" consists of only one or two components. "EPC" is much more of a system containing all components that contribute to recognizing, controlling and monitoring the position of the throttle valve.

1. Observe all safety precautions.
2. Observe the rules for cleanliness.

Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88 , checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram

Test requirement

1. The Motronic Engine Control Module (ECM) J220 fuses OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, shift selector lever into position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Ignition switched off.

Note. Use only gold-plated terminals when servicing the electrical harness connector terminals in Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Remove the drivers side storage compartment. Refer to «68 - INTERIOR EQUIPMENT»(ref-255030-S41867387612007052300000) .

Scheme 609

1. Disconnect the Throttle Position (TP) Sensor G9 / Throttle Position (TP) Sensor G88 6-pin electrical harness connector - 2 -.

Checking voltage supply and wiring

1. Switch the ignition on.

Scheme 610

1. Using a Multimeter , check the following wiring connections for voltage.

1. Switch the ignition off.

If the specification was not obtained

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter Cable (68-pin) vag1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

Scheme 611

1. Using a Multimeter , check the Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88 electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical connector T80 for an open circuit.

Specified value: 1.5 ohms max.

If the specification is not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring and if the voltage supply was OK

1. Replace the Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88. For all Motronic fuel injection system removal/installation procedures and torque specifications. Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000) .

If no malfunction is detected in the wiring and if the voltage supply was not OK

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.
3. Install the drivers side storage compartment. Refer to «68 - INTERIOR EQUIPMENT»(ref-255030-S41867387612007052300000) .

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Closed Throttle Position (CTP) Switch F60 , checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Test requirement

1. The Motronic Engine Control Module (ECM) J220 fuses OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, shift selector lever into position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.

Note. Use only gold-plated terminals when servicing the electrical harness connector terminals in Closed Throttle Position (CTP) Switch F60.

Test sequence

1. Remove the engine cover with air filter.

Scheme 612

1. Disconnect the Closed Throttle Position (CTP) Switch F60 6-pin electrical harness connector.

Checking internal resistance

Scheme 613

1. Using a multimeter , check the Closed Throttle Position (CTP) Switch F60 electrical harness connector terminals 4 to 6 for resistance.

Specified value: 0 ohms

1. Open throttle slightly.

Specified value: infinityohms

If the specification was not obtained

1. Replace the Closed Throttle Position (CTP) Switch F60. Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000)

Checking wiring

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000) .

1. Using a Multimeter , check the following wiring connections for continuity.

Specified value: 1ohms

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.
4. If the specification was obtained

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.
3. Install the engine cover with air filter.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Motronic fuel injection system, servicing

For all Motronic fuel injection system component locations. Refer to 24 - Multiport Fuel Injection (MFI) .

For all Motronic fuel injection system removal/installation procedures and torque specifications. Refer to 24 - Multiport Fuel Injection (MFI) .

Check the Technical Bulletins for information that may supersede any information included in this manual. Refer to EBAHN-Website.

Note. All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an equivalent aftermarket tool or are available for purchase through VW. Refer to the Tool catalog. Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure illustrations showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed in the same manner as the manufacturers special tool. The manufacturers test box Adapter F/VAG1598 (68 Pin) VAG1598/22 is available for purchase or rental. Refer to the Tool catalog.

To reduce the risk of personal injury and/or damage to the fuel injection and ignition system. Note the following

1. Always switch off ignition before disconnecting or connecting lines of the fuel injection and ignition system, including test leads.
2. During some of the tests, a Diagnostic Trouble Code (DTC) may be recognized and stored by the control module. At the end of all tests and repairs, the DTC memory should be checked and, if necessary, erased. After erasing the DTC memory, a readiness code must be generated for the engine control module.
3. Always switch ignition off before cleaning engine.

Rules of cleanliness

Even minor contaminations can lead to malfunctions in the fuel injection system. When working on the fuel supply/injection system, pay careful attention to the following rules for cleanliness

1. Thoroughly clean all unions and adjacent areas with engine or brake cleaner and dry before disconnecting.
2. Plug open lines and connections immediately with appropriate protective caps.
3. Place removed parts on a clean surface and cover. Use lint-free cloths.
4. Install clean components: Remove replacement parts immediately prior to installation. Do not use parts that have been stored unpacked (e.g. in tool boxes etc.).

1. When the system is open: Do not work with compressed air. Do not move vehicle unless absolutely necessary.
2. Separated electrical connectors: Protect from dirt and moisture. Make sure connections are dry when reconnecting.

Technical data

Oxygen Sensor (O2S) Heater Z19 heater circuit, checking

Note. When servicing terminals in harness connector of Oxygen Sensor (O2S) Heater Z19 , use only gold-plated terminals.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Oxygen Sensor (O2S) Heater Z19 fuse OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, shift selector lever into position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Checking internal resistance

Scheme 614

1. Disconnect the Oxygen Sensor (O2S) Heater Z19 electrical harness connector - 1 -.
2. Using a multimeter , check the Oxygen Sensor (O2S) Heater Z19 terminals 12 for an open circuit.

Specified value: 2.5 to 10.0 ohms (at approx. 20 ° C)

If the specification was not obtained

1. Replace the Oxygen Sensor (O2S) Heater Z19.

If the specification is obtained

Checking voltage supply

Scheme 615

1. Using a multimeter , check the Oxygen Sensor (O2S) Heater Z19 electrical harness connector terminal 1 to the Fuse 43 in the fuse holder for voltage.

Specified value: Battery voltage.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, lose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If the specification was obtained

Checking Ground (GND) activation

If the manufacturers test box is being used. Perform the following step.

1. Install the test box. Refer to.

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a multimeter , check the Oxygen Sensor (O2S) Heater Z19 electrical harness connector terminal 2 to the Motronic Engine Control Module (ECM) J220 electrical harness connector terminal 27 for an open circuit.

Specified value: 1.5 ohms max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, lose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring and if the voltage supply was OK

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

1. End of diagnosis.

Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 , checking

Note. When servicing terminals in harness connector of Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 , use only gold-plated terminals.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 fuse OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, shift selector lever into position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Checking internal resistance

Scheme 616

1. Disconnect the Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 electrical harness connector - 1 -.

1. Using a multimeter , check the Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 electrical harness connector terminals 1 to 2 for resistance.

Specified value: 1.0 to 20.0 ohms (at approx. 20 ° C)

If the specification was not obtained

1. Replace the Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29.

If the specification was obtained

Checking voltage supply

1. Using a multimeter , check the Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 electrical harness connector terminal 1 to Fuse 43 in the fuse holder.

1. Turn key on

Specified value: 12.5 Battery voltage.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, lose or broken terminals.
3. If necessary, repair the faulty wiring connection.
4. Turn key off.

If the specification was obtained

Checking Ground (GND) activation

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a multimeter , check the Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 electrical harness connector terminal 2 to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminal 28 for an open circuit according to the wiring diagram.

Specified value: 1.5 ohms max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, lose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring and if the voltage supply was OK

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

1. End of diagnosis.

Mass Air Flow (MAF) Sensor G70 , checking

Note. Use only gold-plated terminals when servicing terminals in harness connector of Mass Air Flow (MAF) Sensor G70.

Note. Intake Air Temperature (IAT) Sensor G42 is an integral part of Mass Air Flow (MAF) Sensor G70 replacement of Mass Air Flow sensor results in IAT replacement also.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Checking Ground (GND)

1. Using a multimeter , check the Mass Air Flow (MAF) Sensor G70 electrical harness connector terminal 1 to engine Ground (GND) for resistance.

Specified value: 1.5 ohms max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring and if the voltage supply was OK

Checking electrical circuit

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a multimeter , check the Mass Air Flow (MAF) Sensor G70 electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminals for an open circuit.

Specified value: 1.5 ohms max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring and if the voltage supply was OK

1. Replace Mass Air Flow (MAF) Sensor G70. Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000)
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Throttle Valve Control Module J338 , checking

Note. Use only gold-plated terminals when servicing terminals in harness connector of Throttle Valve Control Module J338.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Motronic Engine Control Module (ECM) J220 fuses OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, shift selector lever into position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Throttle valve must not be damaged or dirty.
4. Coolant Temperature at least 80 ° C.

Function

Throttle valve operation occurs by an electric motor ( Throttle Position (TP) Actuator V60 ) in the Throttle Valve Control Module J338. It is operated by the Motronic Engine Control Module (ECM) J220 and the Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88.

The Throttle Valve Control Module J338 is made up of the following components

1. Throttle Position (TP) Actuator V60
2. Throttle Position (TP) Sensor G69
3. Throttle Position (TP) Sensor G88

The Throttle Valve Control Module J338 cannot be serviced separately and must be serviced as a unit.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Connect the scan tool.
2. Switch ignition on.
3. Using the scan tool, check the throttle valve position (absolute) at idle stop

1. Slowly depress the accelerator pedal to the Wide Open Throttle (WOT) stop while observing the percentage display. The percentage display must increase uniformly.
2. Using the scan tool, check the throttle valve position (absolute) at Wide Open Throttle (WOT) stop

1. End diagnosis and switch ignition off.

If the specified values are not obtained

1. Remove the Throttle Valve Control Module J338 far enough so that the electrical connector terminals are reached.

Scheme 617

1. Disconnect the Throttle Valve Control Module J338 electrical harness connector - arrow -.

Checking resistance

Scheme 618

1. Using a multimeter , check the Throttle Position (TP) Actuator V60 at the Throttle Valve Control Module J338 terminals 1 to 2 for resistance.

Specified value: 1.0 to 5.0 ohms (at 20 ° C)

If the specification was not obtained

1. Replace the Throttle Valve Control Module J338. Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000) .

If the specification was obtained

1. Check the voltage supply of the Throttle Valve Control Module J338 to the Motronic Engine Control Module (ECM) J220.
2. > «Throttle Position (TP) Sensor G69 / Throttle Position (TP) Sensor G88 , checking»(ref-255014-S05939212372007052300000) .

Checking voltage supply and wiring

1. Switch the ignition on.
2. Using a Multimeter , check the Throttle Position (TP) Actuator V60 at the Throttle Valve Control Module J338 electrical harness connector terminals 4 to 8 for voltage.

Specified value: at least 4.5 V

1. Switch the ignition off.

If the specification was not obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a Multimeter , check the Throttle Position (TP) Actuator V60 at Throttle Valve Control Module J338 electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminals for an open circuit according to the wiring diagram.

Specified value: 1.5 ohms max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. If necessary, repair the faulty wiring connection.
3. Check the electrical harness connector for damage, corrosion, loose or broken terminals.

If no malfunction is detected in the wiring and if the voltage supply was not OK

1. Replace the Throttle Valve Control Module J338. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Positive Crankcase Ventilation (PCV) Heating Element N79 , checking

Note. Use only gold-plated terminals when servicing terminals in the electrical harness connector of Positive Crankcase Ventilation (PCV) Heating Element N79.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

The Motronic Engine Control Module (ECM) J220 fuses OK.

The Fuel Pump (FP) Relay J17 OK.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Battery voltage at least 12.5 volts.
2. All electrical consumers such as, lights and rear window defroster, switched off.
3. Vehicles with automatic transmission, shift selector lever into position "P" or "N".
4. A/C switched off.

1. Ground (GND) connections between engine/transmission/chassis OK.
2. Ignition switched off.
3. Engine warm.

Checking internal resistance

Scheme 619

1. Disconnect the Positive Crankcase Ventilation (PCV) Heating Element N79 electrical harness connector - 2 -.

Scheme 620

1. Using a multimeter , check the Positive Crankcase Ventilation (PCV) Heating Element N79 terminals 1 to 2 for resistance.
2. Specified value: 25 to 35 ohms (at approx. 20 ° C)

If the specified value was not obtained

1. Replace the Positive Crankcase Ventilation (PCV) Heating Element N79.

If the specified value was obtained

Checking voltage

Switch the ignition on.

Scheme 621

1. Using a multimeter , check the Positive Crankcase Ventilation (PCV) Heating Element N79 electrical connector terminal 1 to Ground (GND) for voltage.

Specified value: battery voltage.

Switch the ignition off.

If the specified value was not obtained

1. Check the wiring from the Positive Crankcase Ventilation (PCV) Heating Element N79 electrical connector terminal 1 to the Fuse 34 for a short circuit to Ground (GND), or an open circuit.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the wiring connection.

If no malfunctions are found in the wiring

Checking Ground (GND)

1. Using a multimeter , check the Positive Crankcase Ventilation (PCV) Heating Element N79 electrical connector terminal 2 to Ground (GND) for resistance.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring

1. Replace the Positive Crankcase Ventilation (PCV) Heating Element N79. Refer to «26 EXHAUST SYSTEM, EMISSION CONTROLS»(ref-254999-S05852911362007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

Final procedures

After repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Engine Coolant Temperature (ECT) Sensor G62 , checking

Note. Use only gold-plated terminals when servicing terminals in the electrical harness connector of Engine Coolant Temperature (ECT) Sensor G62.

Special tools, testers and auxiliary items required

1. Multimeter.
2. jumper wire.
3. Wiring diagram.

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Intake Air Temperature (IAT) Sensor G42 , checking

Note. Use only gold-plated terminals when servicing terminals in the electrical harness connector of the Intake Air Temperature (IAT) Sensor G42.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.
3. Cool spray (commercially available).

Checking internal resistance

1. Disconnect the Intake Air Temperature (IAT) Sensor G42 electrical harness connector - arrow -.

Scheme 622

1. Using a multimeter , check the Intake Air Temperature (IAT) Sensor G42 terminals 1 to 3 for resistance.

Use the chart below for the specified values

1. Area A: Resistance values 0 to 50 ° C.
2. Area B: Resistance values 50 to 100 ° C.

Specified values

Read-out examples

1. Range A, 30 ° C equals a resistance of 1.5 to 2.0 kohms
2. Range B, 80 ° C equals a resistance of 275 to 375ohms

If any of the specified values are not obtained

1. Replace the Intake Air Temperature (IAT) Sensor G42. Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000) .

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Engine Speed (RPM) Sensor G28 , checking

Note. Use only gold-plated terminals when servicing terminals in the electrical harness connector of the Engine Speed (RPM) Sensor G28.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Motronic Engine Control Module (ECM) J220 fuses OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, shift selector lever into position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

The Engine Speed (RPM) Sensor G28 detects RPM and reference marks. Without an engine speed signal, the engine will not start. If the engine speed signal fails while the engine is running, the engine will stop immediately.

Function test

1. Connect the scan tool.
2. Switch the ignition on.
3. Using the scan tool, check the engine speed

1. End diagnosis and switch ignition off.

If the specified value was not obtained

Checking internal resistance

Scheme 623

1. Disconnect the gray Engine Speed (RPM) Sensor G28 electrical harness connector - arrow -.

Scheme 624

1. Using a multimeter , check the Engine Speed (RPM) Sensor G28 terminals 2 to 3 - see insert - for resistance.

Specified value: 480 to 1000 ohms (at approx. 20 ° C)

1. Check Engine Speed (RPM) Sensor G28 terminals 1 to 2 and 1 to 3 for short circuits.

Specified value: infinity (infinity)

If any of the specified values are not obtained

1. Replace the Engine Speed (RPM) Sensor G28. Refer to «13 ENGINE - CRANKSHAFT, CYLINDER BLOCK»(ref-254999-S35298087252007052300000)

If the specified values are obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a Multimeter , check the Engine Speed (RPM) Sensor G28 electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring

1. Remove the Engine Speed (RPM) Sensor G28 and check the sensor wheel for proper seating, damage and run-out. Refer to «13 ENGINE - CRANKSHAFT, CYLINDER BLOCK»(ref-254999-S35298087252007052300000) . Replace if damaged.

If the sensor wheel is OK

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Fuel Injectors N30, N31, N32, N33 , checking

The following test procedure is used to diagnose all fuel injectors.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Diode test lamp (12V).
3. Wiring diagram.

Test requirements

1. The Fuel Injectors N30, N31, N32, N33 fuses OK.
2. The Engine Speed (RPM) Sensor G28 OK. --> «Engine Speed (RPM) Sensor G28 , checking»(ref-255014-S40000765202007052300000) .
3. Battery voltage at least 12.5 volts.
4. All electrical consumers such as, lights and rear window defroster, switched off.

1. Vehicles with automatic transmission, shift selector lever into position "P" or "N".
2. A/C switched off.
3. Ground (GND) connections between engine/transmission/chassis OK.
4. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Observe safety precautions.
2. Observe rules for cleanliness.

Procedure

1. Remove the engine cover with air filter.
2. Disconnect the Fuel Injector electrical harness connectors from Fuel Injectors N30, N31, N32, N33.

Checking internal resistance

Scheme 625

1. Using a multimeter , check the Fuel Injector electrical terminals 1 to 2 for resistance.

Specified value: 14.0 to 20.0 ohms (at approx. 20 ° C)

If the specified value was not obtained

1. Replace the malfunctioning Fuel Injector. Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000) .

If the specified value was obtained

Checking activation

Scheme 626

1. Connect a diode test lamp (12V) to the electrical harness connector terminals 1 and 2 of the Fuel Injector to be tested.
2. Operate the starter and test the activation of the Fuel Injector.

LED should flicker.

1. Switch the ignition off.

If LED does not flicker

Checking voltage

1. Connect a diode test lamp (12V) to the electrical harness connector terminal 1 of the Fuel Injector to be tested and ground.
2. Ignition on
3. Operate the starter and test the activation of the Fuel Injector.

LED should flicker.

1. Ignition off.
2. If diode test lamp does not light up, check wire between 2 pin electrical harness (pin 1) and respective fuse 32 for an open circuit.

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

Scheme 627

1. Using a Multimeter , check the Fuel Injector electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring

1. Install the engine cover with air filter.
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Fuel Pump (FP) Relay J17 checking

Special tools, testers and auxiliary items required

1. Multimeter
2. wiring diagrams

Note. The manufacturers test box Adapter F/VAG1598 (68 Pin) VAG1598/22 is available for purchase or rental. Refer to the Tool catalog.

Test requirements

1. The fuse for the engine electronics OK.
2. The Ground (GND) connections at the engine and transmission OK.
3. The battery voltage at least 12.5 V.
4. The generator OK.

1. The ignition is switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Switch the ignition on.
2. Using the Multimeter , check the following wiring connections for voltage.

Specified value:12.5 battery voltage.

1. Switch the ignition off.
2. Using the Multimeter , check the following wiring connections for voltage.

1. Switch ignition on.

Specified value: 12.5. battery voltage.

1. Switch the ignition off.

If the specified values are not obtained

1. Using the Multimeter , check previously checked wiring connections for continuity.

Specified value: Wire resistance max 1.5 ohms.

1. If necessary, repair the wiring connection.

If no malfunctions are found in the wiring

1. Replace the Fuel Pump (FP) Relay J17
2. Refer to «20 FUEL SUPPLY»(ref-254999-S30623123852007052300000) .
3. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
4. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Heated Oxygen Sensor (HO2S) G39 , checking

Note. Use only gold-plated terminals when servicing terminals in the electrical harness connector of the Heated Oxygen Sensor (HO2S) G39.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Heated Oxygen Sensor (HO2S) G39 fuse OK.
2. The Oxygen Sensor (O2S) Heater Z19 before catalytic converter OK. Refer to --> «Oxygen Sensor (O2S) Heater Z19 heater circuit, checking»(ref-255014-S24535553092007052300000) .
3. Battery voltage at least 12.5 volts.
4. All electrical consumers such as, lights and rear window defroster, switched off.

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Exhaust system between catalytic converter and cylinder head properly sealed.
4. Coolant Temperature at least 80 ° C.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Perform a function test. Refer to «Test-ID 01 ($01): Oxygen Sensor in Front of Catalytic Convertor Monitor Bank 1 - Sensor 1»(ref-255014-S06282071512007062700000) .

If the specified values are not obtained

Checking primary voltage

1. Disconnect the Heated Oxygen Sensor (HO2S) G39 electrical harness connector - 1 -.

1. Using a multimeter , check the Heated Oxygen Sensor (HO2S) G39 electrical harness connector terminals 3 to 4 for voltage.
2. Switch ignition on.

Specified value: 0.400 to 0.500 Volts

1. Switch the ignition off.

If the specified value was obtained

1. Replace the Heated Oxygen Sensor (HO2S) G39.Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the specified value was not obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a Multimeter , check the Heated Oxygen Sensor (HO2S) G39 electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

1. End of diagnosis.

Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 , checking

Note. Vehicle must be raised before the electrical connector for the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 is accessible. When servicing terminals in the electrical harness connector of the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 , use only gold-plated terminals.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 fuse Ok.
2. Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater Z29 OK.
3. Battery voltage at least 12.5 volts.
4. All electrical consumers such as, lights and rear window defroster, switched off.

1. Vehicles with automatic transmission, selector lever in position "P" or "N".
2. A/C switched off.
3. Ground (GND) connections between engine/transmission/chassis OK.
4. Exhaust system between catalytic converter and cylinder head properly sealed.

1. Coolant Temperature at least 80 ° C.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Perform a function test. Refer to «Test-ID 02 ($02): Oxygen Sensor Bank 1- Sensor 1»(ref-255014-S35635340962007062700000) .

If the specified values are not obtained

Procedure

1. Disconnect the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 electrical harness connector - 1 -.

Checking primary voltage

1. Switch the ignition on.

Scheme 628

1. Using a multimeter , check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 electrical harness connector terminals 3 to 4 for voltage.

Specified value: 0.400 to 0.500 Volts

1. Switch the ignition off.

If the specified value was obtained

1. Replace the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130. Refer to «26 - Exhaust system, Emission controls»(ref-255014-S12539222482007052300000) . Exhaust system components, removing and installing

If the specified value was not obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a Multimeter , check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130 electrical harness connector terminals to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminals for an open circuit according to the wiring diagram.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

1. End of diagnosis.

Function

Motronic Engine Control Module (ECM) J220 regulates fuel injection, Throttle Valve Control Module J338 , oxygen sensor regulation, ignition, knock control, Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 , engine speed limitation through fuel injectors or Fuel Pump (FP) Relay J17 as well as On Board Diagnostic (OBD).

Voltage supply, checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Motronic Engine Control Module (ECM) J220 fuses OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, selector lever in position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Remove the Fuel Pump (FP) Relay J17.

Checking voltage

1. Using a Multimeter , check the Fuel Pump (FP) Relay J17 socket 17/30 to Ground (GND).

Specified value: battery voltage.

If the specified value was not obtained

1. Check the wiring connections from the Battery to the Fuel Pump (FP) Relay J17 socket 17/30 for an open circuit or a short circuit.
2. Check the wiring connections for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If the specified value was obtained

1. Switch the ignition on.
2. Using a Multimeter , check the Fuel Pump (FP) Relay J17 socket 23/87 to Ground (GND).

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Using a Multimeter , check the Fuel Pump (FP) Relay J17 socket 19/86 to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminal 1 for resistance.

Specified value: 2.0 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Replace the Fuel Pump (FP) Relay J17 : . Refer to «24 - Multiport Fuel Injection (MFI)»(ref-255014-S42438292932007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Motronic Engine Control Module (ECM) J220 , replacing

Removing

Special tools, testers and auxiliary items required

1. Heat gun, screwdriver, locking pliers.

Note. When the Motronic Engine Control Module (ECM) J220 electrical harness connectors are disconnected, the adaptation values are erased and the DTC memory content remains intact.

Work procedure

Check the identification of the previous Motronic Engine Control Module (ECM) J220 as follows

1. Connect the scan tool.
2. Switch the ignition on.
3. Using the scan tool, select "Vehicle information".
4. Select " Calibration Identification" in vehicle information.

The electronic control module identification number will be displayed, e.g.: 06A906032NA 4983

1. Record the electronic control module identification number.
2. End diagnosis and switch the ignition off.

Procedure

1. Switch the ignition on.

Scheme 629

1. Actuate the touch-wipe function to allow the wipers to move to the service position.

Scheme 630

1. Remove the wiper arms caps - arrows -.

Scheme 631

1. Loosen the wiper arm nuts - arrows - several turns.
2. Loosen the wiper arms from the wiper axle by rocking slightly.
3. Remove the wiper arms nuts and the wiper arms from the wiper axles.
4. Remove the spray nozzles - arrow -.

1. Press the spray nozzles, with the water lines attached, through the plenum chamber opening.

Scheme 632

1. Remove the rubber seal - 4 - and the plenum chamber cover - 1 -.

Note. The threads of the shear bolts have been coated with a locking compound. A heat gun may be required to loosen the thread locking compound.

Scheme 633

1. Saw off two rounded sides of the shear bolt heads so that two flat parallel surfaces result - arrows -.
2. Using locking pliers , remove the shear bolts. Discard the shear bolts.

Scheme 634

1. Insert a screwdriver - A - between the protective housing and the retaining plate - arrow -.

Scheme 635

1. Using a screwdriver - A - , pry the protective housing upward and sideways to remove from the retaining plate - arrow -.
2. Disconnect the forward electrical harness connector - 1 -.
3. Lift up the locking mechanism - 2 - slightly.

Scheme 636

1. Remove the Motronic Engine Control Module (ECM) J220 from the retainer - arrow -.
2. Disconnect the rear electrical harness connector.

Installation

Installation is performed in reverse order of removal. Note the following

The Motronic Engine Control Module (ECM) J220 must be installed with the protective housing.

Use New shear bolts when installing the Motronic Engine Control Module (ECM) J220.

Motronic Engine Control Module (ECM) J220 reprogramming

1. The new Engine Control Module (ECM) J220 and immobilizer must be activated using an appropriate scan tool.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of procedure

Speed Signal, checking

The following procedure requires a test drive. Observe all safety precautions. Refer to Observe the following if test and measuring instruments are required during a test drive .

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Speedometer G21 OK.
2. The Motronic Engine Control Module (ECM) J220 fuses OK.
3. Battery voltage at least 12.5 volts.
4. All electrical consumers such as, lights and rear window defroster, switched off.

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Connect the scan tool.
2. Perform a road test with a vehicle speed greater than 5 Km/h.
3. Using the scan tool, Check the vehicle speed

1. Compare the vehicle speed on the scan tool to the Speedometer G21.

Specified value: a difference of no greater than 10%.

If the specified value was not obtained or no speed was displayed

1. Check the wiring from the Motronic Engine Control Module (ECM) J220 to the Instrument Cluster Control Module J285 for an open circuit, Short to Battery (+), or to Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.
4. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)

1. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

CAN-Bus terminal resistance, checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirement

1. A CAN-Bus malfunction was recognized.
2. The Motronic Engine Control Module (ECM) J220 fuses OK.
3. Battery voltage at least 12.5 volts.
4. All electrical consumers such as, lights and rear window defroster, switched off.

1. Vehicles with automatic transmission, shift selector lever into position "P" or "N".
2. A/C switched off.
3. Ground (GND) connections between engine/transmission/chassis OK.
4. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

Function

The Motronic Engine Control Module (ECM) J220 communicates with other CAN-Bus capable control modules.

The control modules are connected by two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information (messages). Missing information on the CAN-bus is recognized as a malfunction by the Motronic Engine Control Module (ECM) J220 and the other control modules connected to the CAN-bus.

Trouble-free operation of the CAN-Bus requires that it have a terminal resistance. This central terminal resistance is located in the Motronic Engine Control Module (ECM) J220.

Procedure

1. Disconnect the Data Bus On Board Diagnostic Interface J533 electrical harness connector.

Note. The Motronic Engine Control Module (ECM) J220 must remain connected for the following step.

1. Using a Multimeter , check the Data Bus On Board Diagnostic Interface J533 electrical harness connector terminals 20 to 19 for resistance.

Specified value: 60 to 72 ohms (at approx. 20 ° C)

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

If the specified value was obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Using a Multimeter , check the Data Bus On Board Diagnostic Interface J533 electrical harness connector to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 for resistance.

Specified value: 1.5 ohms Max.

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Replace the Data Bus On Board Diagnostic Interface J533.
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Exhaust system components, removing and installing

For all Exhaust System, Emission control component locations, refer to 26 EXHAUST SYSTEM, EMISSION CONTROLS .

For all Exhaust System, Emission control removal/installation procedures and torque specifications, refer to 26 EXHAUST SYSTEM, EMISSION CONTROLS .

Check the Technical Bulletins for information that may supersede any information included in this manual. Refer to EBAHN-Website.

Note. All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an equivalent aftermarket tool or are available for purchase through the manufacturer. Refer to Tool catalog. Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure illustrations showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed in the same manner as the manufacturers special tool.

Three Way Catalytic Converter (TWC), checking

Function test

1. Perform the function test in Diagnostic Mode 06. Refer to --> «Diagnostic Mode 06: Checking test results of components that are not continuously monitored»(ref-255014-S09162888372007052300000) .
2. End diagnosis and switch the ignition off.

If the specified values are exceeded

1. Replace the catalytic converter with front exhaust pipe.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End diagnosis

Principle and function

Principle

Due to the rich mixture during the cold start phase, the exhaust emissions contain an increased level of unburned hydrocarbons. The Secondary Air Injection (AIR) system improves the secondary oxidation within the catalytic converter, thereby reducing harmful emissions. The heat released by secondary oxidation shortens the startup time of the catalytic converter considerably, as well as significantly improves emissions quality during the cold-running phase.

Function

1. During cold start (with coolant temperatures +15 to +35 ° C), the Secondary Air Injection (AIR) system blows air behind the exhaust valve for approx. 65 seconds. This produces an oxygen rich exhaust gas, causes the after burning and reduces the heating-up phase of the catalytic converter.
2. In addition, the Secondary Air Injection (AIR) system is switched on with a delay of approx. 20 seconds during idle for 5 seconds after every subsequent engine start up to max. 80 ° C coolant temperature and is checked via On Board Diagnostic (OBD).

Combination Valve for Secondary Air Injection (AIR), checking function and proper seal

The following procedure is used to test all combination valves.

Special tools, testers and auxiliary items required

1. Hand vacuum pump.

Test conditions

1. Vacuum lines and hose connections free of leaks.
2. Vacuum lines not plugged.

Test sequence

1. Remove the vacuum hose from the combination valve.

Scheme 637

1. Connect hand vacuum pump V.A.G 1390 to combination valve vacuum connection.

Scheme 638

1. Remove the air duct hose - arrow - from the Throttle Valve Control Module J338 and position aside.

Scheme 639

1. Disconnect the Secondary Air Injection hose - arrow -.
2. Inject a light air pressure into the in Secondary Air Injection hose to close the combination valve. (do not use compressed air).

1. The combination valve should close and seal. Air should not be able to pass through the combination valve.

1. Operate the hand vacuum pump.

1. The combination valve should open. Air should be able to pass through the combination valve.

If combination valve does not open

1. Replace the faulty combination valve. Refer to «26 EXHAUST SYSTEM, EMISSION CONTROLS»(ref-254999-S05852911362007052300000) .

End of procedure

Secondary Air Injection (AIR) Solenoid Valve -N112- , checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. Fuse 34 OK.
2. Battery voltage at least 12.5 V.
3. All electrical consumers switched off (radiator fan must NOT run during test).
4. A/C switched off.

1. The ignition switched off.

Procedure

Note. Voltage is supplied to the Secondary Air Injection (AIR) Solenoid Valve N112 from the Fuse 34 (on fuse panel).

Procedure

1. Disconnect the Secondary Air Injection (AIR) Solenoid Valve N112 electrical harness connector - 4 -.

Checking internal resistance

1. Using a multimeter , check the Secondary Air Injection (AIR) Solenoid Valve N112 terminals 1 to 2 for resistance.
2. Specified value: 25 to 35 ohms (at approx. 20 ° C)

If the specified value was not obtained

1. Replace the Secondary Air Injection (AIR) Solenoid Valve N112 Refer to «26 EXHAUST SYSTEM, EMISSION CONTROLS»(ref-254999-S05852911362007052300000) .

If the specified value was obtained

Checking voltage supply

Switch the ignition on.

1. Using a multimeter , check the Secondary Air Injection (AIR) Solenoid Valve N112 electrical connector terminal 1 to Ground (GND) for voltage.

Specified value: battery voltage.

Switch the ignition off.

If the specified value was not obtained

1. Check the wiring from the Secondary Air Injection (AIR) Solenoid Valve N112 electrical connector terminal 1 to the Secondary Air Injection (AIR) Pump Relay J299 socket 3/85 for a short circuit to Ground (GND), or an open circuit.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the wiring connection.

If no malfunctions are found in the wiring

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220 --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a multimeter , check the Secondary Air Injection (AIR) Solenoid Valve N112 electrical harness connector terminal 2 to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminal 33 for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is detected in the wiring

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Secondary Air Injection (AIR) Pump Relay -J299- , checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Secondary Air Injection (AIR) Pump Relay -J299- fuses OK.
2. The Fuse (on fuse panel) S243 OK.
3. Battery voltage at least 12.5 V.
4. All electrical consumers switched off (radiator fan must NOT run during test).

1. A/C switched off.
2. The ignition switched off.

Procedure

1. Remove the Secondary Air Injection (AIR) Pump Relay -J299-.

Checking voltage

1. Using a Multimeter , check the Secondary Air Injection (AIR) Pump Relay -J299- socket 1/30 to Ground (GND).
2. Switch ignition On.

Specified value: battery voltage.

If the specified value was not obtained

1. Switch ignition off.
2. Check the wiring connections from the Battery to the Secondary Air Injection (AIR) Pump Relay -J299- socket 1/30 for an open circuit or a short circuit.
3. Check the wiring connections for damage, corrosion, loose or broken terminals.
4. If necessary, repair the faulty wiring connection.

If the specified value was obtained

1. Reinstall the Secondary Air Injection (AIR) Pump Relay -J299-.
2. Switch the ignition on.
3. Using a Multimeter , check the Fuse (on fuse panel) S243 to Secondary Air Injection (AIR) Pump Relay -J299- socket 3/85 for voltage.

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

1. Check the wiring connections for damage, corrosion, loose or broken terminals.
2. If necessary, repair the faulty wiring connection.

If the specified value was obtained

Checking activation

1. Switch the ignition on.
2. Using a Multimeter , check the Secondary Air Injection (AIR) Pump Relay -J299- socket 2/87 to Ground (GND)

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

1. Check the wiring connections for damage, corrosion, loose or broken terminals.
2. If necessary, repair the faulty wiring connection.

If the specified value was obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Using a Multimeter , check the Secondary Air Injection (AIR) Pump Relay -J299- socket 4/86 to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 terminal 30 for resistance.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and voltage supply was OK

1. Replace the Secondary Air Injection (AIR) Pump Relay -J299-.
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Secondary Air Injection (AIR) Pump Motor -V101- , checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Secondary Air Injection (AIR) Pump Relay -J299- Fuse 34 (on fuse panel) OK.
2. Battery voltage at least 12.5 V.
3. All electrical consumers switched off (radiator fan must NOT run during test).
4. A/C switched off.

1. The ignition switched off.

Procedure

Scheme 640

1. Disconnect the secondary air injection hose - arrow -.

Scheme 641

1. Remove the center noise insulation fasteners - 1, 2, 3 - and the center noise insulation panel.

Scheme 642

1. Disconnect the Secondary Air Injection (AIR) Pump Motor -V101- electrical harness connector - 3 -.

Checking voltage

1. Switch the ignition on.

1. Using a Multimeter , check the Secondary Air Injection (AIR) Pump Motor -V101- electrical harness connector terminals 1 to 2 for voltage.

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

1. Using a Multimeter , check the Secondary Air Injection (AIR) Pump Motor -V101- electrical harness connector terminal 2 to Ground (GND).

Specified value: battery voltage.

If the specified value was not obtained

1. Check the wiring connection from the Secondary Air Injection (AIR) Pump Relay -J299- socket 2/87 to the Secondary Air Injection (AIR) Pump Motor -V101- electrical harness connector terminal 2 for an open circuit or a short circuit.
2. Check the wiring connections for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If the specified value was obtained

Checking Ground (GND)

1. Ensure key is off.

1. Using a Multimeter , check the Secondary Air Injection (AIR) Pump Motor -V101- electrical harness connector terminal 1 to Ground (GND) for resistance.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and voltage supply was OK

1. Replace Secondary Air Injection (AIR) Pump Motor -V101-.

For all Exhaust System, Emission control removal/installation procedures and torque specifications. Refer to 26 EXHAUST SYSTEM, EMISSION CONTROLS .

1. Install the center noise insulation fasteners - 1, 2, 3 - and the center noise insulation panel.

1. Connect the secondary air injection hose - arrow -.
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

General notes on ignition system

For all Ignition/Glow plug system component locations. Refer to 28 - Ignition/Glow plug System .

For all Ignition/Glow plug system removal/installation procedures and torque specifications. Refer to 28 - Ignition/Glow plug System .

Check the Technical Bulletins for information that may supersede any information included in this manual. Refer to EBAHN-Website.

Note. All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an equivalent aftermarket tool or are available for purchase through the manufacturer. Refer to Tool catalog. Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure illustrations showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed in the same manner as the manufacturers special tool. The manufacturers test box Adapter F/VAG1598 (68 Pin) VAG1598/22 is available for purchase or rental. Refer to the Tool catalog.

Camshaft Position (CMP) Sensor G40 , checking

Note. Use only gold-plated terminals when servicing terminals in harness connector of Camshaft Position (CMP) Sensor G40.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The Motronic Engine Control Module (ECM) J220 fuses OK.
2. Battery voltage at least 12.5 volts.
3. All electrical consumers such as, lights and rear window defroster, switched off.
4. Vehicles with automatic transmission, shift selector lever into position "P" or "N".

1. A/C switched off.
2. Ground (GND) connections between engine/transmission/chassis OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Remove the engine cover with air filter.

Scheme 643

1. Disconnect the Camshaft Position (CMP) Sensor G40 electrical harness connector - arrow -.
2. Switch the ignition on.

Scheme 644

1. Using a Multimeter , Check the Camshaft Position (CMP) Sensor G40 electrical harness connector terminals 1 to 3 for voltage.

Specified value: about 4.5 V

1. Switch the ignition off.

If the specification was not obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

Scheme 645

1. Using a Multimeter , Check the Camshaft Position (CMP) Sensor G40 electrical harness connector to the Motronic Engine Control Module (ECM) electrical harness connector T80 for an open circuit.

Specified value: 1.5 ohms Max.

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and voltage supply was OK

1. Replace the Camshaft Position (CMP) Sensor G40. Refer to «28 - Ignition/Glow plug System»(ref-255014-S21812046002007052300000) .
2. Install the engine cover with air filter.
3. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
4. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory.
2. If necessary, erase the DTC memory.
3. If the DTC memory was erased, generate readiness code.

End of diagnosis

Knock Sensor (KS) 1 G61 / Knock Sensor (KS) 2 G66 , checking

The following procedure is used to diagnose all Knock Sensors.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirements

1. The mounting bolt of Knock Sensor (KS) 1 G61 / Knock Sensor (KS) 2 G66 tightened to 20 Nm.
2. The Motronic Engine Control Module (ECM) J220 fuses OK.
3. Battery voltage at least 12.5 volts.
4. All electrical consumers such as, lights and rear window defroster, switched off.

1. Vehicles with automatic transmission, shift selector lever into position "P" or "N".
2. A/C switched off.
3. Ground (GND) connections between engine/transmission/chassis OK.
4. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Remove the engine cover with air filter.

Note. Before disconnecting the Knock Sensor electrical harness connectors, mark the component location.

1. Disconnect the Knock Sensor (KS) 1 G61 electrical harness connector - 1 - or the Knock Sensor (KS) 2 G66 electrical harness connector - 2 -.

Checking internal resistance

Scheme 646

1. Using a Multimeter , check both Knock Sensors' terminals 1 to 2 for an internal short.

Specified value: infinity (Infinity)ohms.

If the specified value was not obtained

1. Replace the faulty Knock Sensor (KS) 1 G61 / Knock Sensor (KS) 2 G66. Refer to «13 ENGINE - CRANKSHAFT, CYLINDER BLOCK»(ref-254999-S35298087252007052300000)

If the specified value was obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

Scheme 647

1. Using a Multimeter , Check both Knock Sensor electrical harness connectors to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 for an open circuit.

Specified value: 1.5 ohms Max.

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose, or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and the resistance was not OK

1. Replace the faulty Knock Sensor (KS) 1 G61 / Knock Sensor (KS) 2 G66. Refer to «13 ENGINE - CRANKSHAFT, CYLINDER BLOCK»(ref-254999-S35298087252007052300000)

If no malfunction is found in the wiring and the resistance was OK

1. Install the engine cover with air filter.
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Ignition Coil N152 , checking

The following procedure is used to diagnose l Ignition Coil.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Diode test lamp.
3. Wiring diagram.

Test requirements

1. The Ignition Coil N152 fuse OK.
2. The Fuel Pump (FP) Relay J17 OK. --> «Voltage supply, checking»(ref-255014-S05425259292007052300000)
3. The Engine Speed (RPM) Sensor G28 OK, --> «Engine Speed (RPM) Sensor G28 , checking»(ref-255014-S40000765202007052300000) .
4. The Camshaft Position (CMP) Sensor G40 OK, --> «Camshaft Position (CMP) Sensor G40 , checking»(ref-255014-S42355105342007052300000) .

1. Battery voltage at least 12.5 volts.
2. All electrical consumers such as, lights and rear window defroster, switched off.
3. Vehicles with automatic transmission, shift selector lever into position "P" or "N".
4. A/C switched off.

1. Ground (GND) connections between engine/transmission/chassis OK.
2. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Remove the engine cover with air filter.

Scheme 648

1. Remove the Ignition Coil N152 electrical connector.

Checking voltage supply

1. Switch the ignition on.

1. Using a Multimeter , check the Ignition Coil electrical harness connector terminals 2 to 4 for voltage.

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

1. Check Ignition Coil electrical harness connector terminal 2 to the Fuse (on fuse panel) 29 for an open circuit.

Specified value: 1.5 ohms Max.

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If the specified values were obtained

Checking activation

1. Disable the power supply to the Fuel Injectors N30, N31, N32, N33, by removing Fuse 29 (on fuse panel B) from the fuse holder SB29, in the E-box, plenum chamber.

1. Using a diode test lamp , check the Ignition Coil electrical harness connector terminals 1 to 4 and 3 to 4 for voltage.
2. Operate the starter.

The LED should flicker.

1. Switch the ignition off.

If the LED flickers and the voltage was OK

1. Replace the faulty Ignition Coil N152. Refer to «28 - Ignition/Glow plug System»(ref-255014-S21812046002007052300000) .

If the LED does not flicker

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22. Refer to «24 MULTIPORT FUEL INJECTION (MFI)»(ref-254999-S17215520792007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

1. Using a Multimeter , Check the Ignition Coil electrical harness connector to the Motronic Engine Control Module (ECM) J220 electrical harness connector T80 for an open circuit.

Specified value: 1.5 ohms Max.

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.
4. Re-enable the power supply to the Fuel Injectors N30, N31, N32, N33, by reinstalling Fuse 29 (on fuse panel B) from the fuse holder SB29, in the E-box, plenum chamber.

1. Re-connect the Ignition Coil N152 electrical harness connector to the Ignition Coil N152.
2. Install the engine cover with air filter.
3. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
4. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory. Refer to.
3. If the DTC memory was erased, generate readiness code. Refer to.

End of diagnosis

Electrical components for 4 Spd. Automatic Transmission 01M, checking

For all Automatic Transmission component locations. Refer to 38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS .

For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to 38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS .

Check the Technical Bulletins for information that may supersede any information included in this manual. Refer to EBAHN-Website.

Note. All manufacturers special tools as well as common tools may contain a manufacturer specific part number. These tools may be substituted with an equivalent aftermarket tool or are available for purchase through VW. Refer to Tool catalog. Manufacturers special tools as well as common tools that contain a manufacturer specific part number may be referenced in the test procedure illustrations showing the tool use or installation. If the manufacturer specific tool is not being used, an equivalent aftermarket tool may be installed in the same manner as the manufacturers special tool. The manufacturers test box Adapter - 68 Pin VAG1598/18 is available for purchase or rental. Refer to the Tool catalog. Certainly you have received an electrical shock once before when touching something made out of metal. The reason for this is the electrostatic charge of the human body. This charge can lead to functional problems by touching the electrical components of the transmission and selector lever mechanism. Touch a grounded object, e.g. a water pipe or a hoist, before working on the electrical components!

1. Do not make direct contact on electrical harness connector terminals!
2. If special testing equipment is required during road test, note the following

Safety precautions

Multi-Function Transmission Range (TR) Switch F125 , checking

Special tools, testers and auxiliary items required

1. Multimeter
2. Wiring diagram

Requirements

1. Fuse 31 OK.
2. The Control Module with indicator unit in the Instrument Cluster Control Module J285 must be OK.
3. The selector lever cable adjustment OK.
4. The battery voltage must be at least 12.5 Volts.

1. All electrical consumers must be switched off.
2. The parking brake must be engaged.
3. The selector lever must be in the "P" position.
4. The Ground (GND) connections to transmission must be OK.

1. Ignition switched off

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Switch the ignition on.
2. Depress the brake pedal and maintain depressed.
3. Shift the selector lever into all positions.

The selector lever position must correspond to the display of the Control Module with the indicator unit in the Instrument Cluster Control Module J285.

1. Switch the ignition off.

If the selector lever position does not correspond to the display of the Control Module with indicator unit in the Instrument Cluster Control Module J285

Scheme 649

1. Disconnect the Multi-Function Transmission Range (TR) Switch F125 electrical harness connector - 2 -.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. Repair any damage found to the electrical harness connector.

If the electrical harness connector is not OK

1. Repair the malfunction.

If the electrical harness connector is OK

Checking voltage

1. Switch the ignition on.
2. Using a multimeter , check the Multi-Function Transmission Range (TR) Switch F125 electrical harness connector terminal 7 to Ground (GND) for voltage.

Specified value, Battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

1. Check the wiring from the Multi-Function Transmission Range (TR) Switch F125 electrical harness connector terminal 7 to the Transmission Control Module (TCM) J217 electrical harness connector T68 terminal 23 for an open circuit, short to ground (GND) or a short to Battery (+).
2. If necessary, repair the faulty wiring connection.

If the specified value was obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the test box. Install the Adapter - 68 Pin VAG1598/18. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Transmission Control Module (TCM) J217. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) 8.

Scheme 650

1. Using a multimeter , check the Multi-Function Transmission Range (TR) Switch F125 electrical harness connector terminals to the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. If necessary, repair the faulty wiring connection.

If no malfunction was found in the wiring and the resistance was not OK

1. Replace the Multi-Function Transmission Range (TR) Switch F125. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000)

If no malfunction is found in the wiring and the resistance was OK

1. Replace the Transmission Control Module (TCM) J217. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

1. Check the DTC memory. Refer to.
2. If necessary, erase DTC memory of the Transmission Control Module (TCM) J217.
3. Generate readiness code.

End diagnosis.

Transmission Vehicle Speed Sensor (VSS) G38 , checking

Special tools, testers and auxiliary items required

1. Multimeter
2. Wiring diagram

Requirements

1. The Transmission Vehicle Speed Sensor (VSS) G38 fuse OK.
2. The battery voltage must be at least 12.5 Volts.
3. All electrical consumers must be switched off.
4. The parking brake must be engaged.

1. The selector lever must be in the "P" position.
2. The Ground (GND) connections to transmission must be OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

Scheme 651

1. Disconnect the Transmission Vehicle Speed Sensor (VSS) G38 electrical harness connector - arrow -.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. Repair any damage found to the electrical harness connector.

If the electrical harness connector is not OK

1. Repair the malfunction.

If the electrical harness connector is OK

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter - 68 Pin VAG1598/18. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Transmission Control Module (TCM) J217. --> «Transmission Control Module (TCM) J217 , replacing»(ref-255014-S12729623012007052300000) .

Scheme 652

1. Using a multimeter , check the Transmission Vehicle Speed Sensor (VSS) G38 electrical harness connector terminals to the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and the resistance was not OK

1. Replace the Transmission Vehicle Speed Sensor (VSS) G38. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If no malfunction is found in the wiring and the resistance was OK

1. Replace the Transmission Control Module (TCM) J217. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

1. Check the DTC memory.
2. If necessary, erase DTC memory of the Transmission Control Module (TCM) J217.
3. Generate readiness code.

End of diagnosis

Vehicle Speed Sensor (VSS) G68 , checking

Special tools, testers and auxiliary items required

1. Multimeter
2. Wiring diagram

Requirements

1. The Vehicle Speed Sensor (VSS) G68 fuse OK.
2. The battery voltage must be at least 12.5 Volts.
3. All electrical consumers must be switched off.
4. The parking brake must be engaged.

1. The selector lever must be in the "P" position.
2. The Ground (GND) connections to transmission must be OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

Scheme 653

1. Disconnect the Vehicle Speed Sensor (VSS) G68 electrical harness connector - 1 -.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. Repair any damage found to the electrical harness connector.

If the electrical harness connector is not OK

1. Repair the malfunction.

If the electrical harness connector is OK

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter - 68 Pin VAG1598/18. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Transmission Control Module (TCM) J217. --> «Transmission Control Module (TCM) J217 , replacing»(ref-255014-S12729623012007052300000) .

Scheme 654

1. Using a multimeter , check the Vehicle Speed Sensor (VSS) G68 electrical harness connector terminals to the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and the resistance was not OK

1. Replace the Vehicle Speed Sensor (VSS) G68. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If no malfunction is found in the wiring and the resistance was OK

1. Replace the Transmission Control Module (TCM) J217. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

1. Check the DTC memory. Refer to.
2. If necessary, erase DTC memory of the Transmission Control Module (TCM) J217.
3. Generate readiness code.

End of diagnosis

Solenoid Valves in Valve Body , checking

This procedure is used to diagnose all Solenoid Valves in the valve body.

Special tools, testers and auxiliary items required

1. Multimeter
2. Wiring diagram

Requirements

1. The Solenoid Valve fuses OK.
2. The battery voltage must be at least 12.5 Volts.
3. All electrical consumers must be switched off.
4. The parking brake must be engaged.

1. The selector lever must be in the "P" position.
2. The Ground (GND) connections to transmission must be OK.
3. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

1. Disconnect the Solenoid Valve electrical harness connector - 2 -.
2. Check the electrical harness connector for damage, corrosion, loose or broken terminals.
3. Repair any damage found to the electrical harness connector.

If the electrical harness connector is not OK

1. Repair the malfunction.

If the electrical harness connector is OK

Checking resistance

Scheme 655

1. Using a multimeter , check the Solenoid Valve terminals 1 to 2 at the Solenoid Valve electrical harness connector for resistance.

If any of the specified values are not obtained

1. Replace the faulty Solenoid Valve. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If the specified values are obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the test box. Install the Adapter - 68 Pin VAG1598/18. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Transmission Control Module (TCM) J217. Refer to.

1. Using a multimeter , check the Solenoid Valve electrical harness connector terminals to the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specified value was not obtained

1. Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
2. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring and the resistance was not OK

1. Replace the faulty Solenoid Valve. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .

If no malfunction is found in the wiring and the resistance was OK

1. Replace the Transmission Control Module (TCM) J217. For all Automatic Transmission system removal/installation procedures and torque specifications. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

1. Check the DTC memory. Refer to --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) . If necessary, erase DTC memory of the Transmission Control Module (TCM) J217. --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Generate readiness code. --> «Readiness Code»(ref-255014-S00859368802007052300000)

End of procedure

The Transmission Control Module (TCM) J217 receives information from the components that affect the shifts and forwards this information to the pressure regulator valves of the valve body, which control the slide valves in the valve body.

Transmission Control Module (TCM) J217 , voltage supply, checking

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Requirements

1. Fuse 15 OK.
2. The battery voltage must be at least 12.5 volts.
3. The Ground (GND) connections at the transmission OK.
4. The parking brake engaged.

1. The selector lever of automatic transmission in position "P".
2. All electrical consumers switched off.
3. The ignition switched off.

Checking voltage

1. Switch the ignition on.
2. Using a Multimeter , check the Transmission Control Module (TCM) J217 electrical harness connector T68 terminal 45 to Ground (GND) for voltage.

Specified value: battery voltage.

1. Switch the ignition off.

If the specified value was not obtained

1. Check the wiring from the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals 45 to the fuse 15 for an open circuit or a short circuit.
2. If necessary, repair the faulty wiring connection.

If the specified value was obtained

1. Ensure key is off.
2. Using a Multimeter , check the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals 1 to Ground (GND) for resistance.

Specified value: 1.5 ohms

If the specification was not obtained

1. Check the wiring for a an open circuit.
2. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Replace the Transmission Control Module (TCM) J217. Refer to --> «Transmission Control Module (TCM) J217 , replacing»(ref-255014-S12729623012007052300000) .
2. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
3. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.
3. Installation is performed in the reverse order of removal. note the following

1. Check the DTC memory. Refer to.
2. If necessary, erase DTC memory of the Transmission Control Module (TCM) J217.
3. Generate readiness code.

End of diagnosis

Transmission Control Module (TCM) J217 , replacing

Note. To achieve optimal anti-theft protection for the vehicle, an anti-theft immobilizer was installed. The anti-theft immobilizer is a system for enabling/locking the Transmission Control Module (TCM) J217. To perform adaptation of the anti-theft immobilizer using appropriate scan tool.

Procedure

Check the identification of the previous Transmission Control Module (TCM) J217 as follows

1. Connect the scan tool.
2. Switch the ignition on.
3. Select "Diagnostic mode 9: Vehicle information."
4. Select the "Test-ID 04: Calibration identification".

1. The Transmission Control Module (TCM) J217 identification will be displayed, e.g.: 09G27750 L 0301
2. End diagnosis and switch the ignition off.

Removal

1. Remove the center dash panel - 1 - in the direction of the - arrow -.

1. Remove the right upper dashboard panel.

1. Remove the three center screws - 1

1. Remove the right upper dashboard panel - 1 - in the direction of - arrow A - and - arrow B -.
2. Pull the Transmission Control Module (TCM) J217 electrical harness electrical connector - 1 - retaining tab in the direction of the - arrow - and remove from the Transmission Control Module (TCM) J217 - 2 -.

1. Remove the retaining nuts - 3 - and the Transmission Control Module (TCM) J217 - 2 - in the direction of the - arrow -.

Installation

1. Installation is performed in the reverse order of removal. note the following
2. Check the identification of the new Transmission Control Module (TCM) J217 to ensure it matches the old Transmission Control Module (TCM) J217.
3. Code the Transmission Control Module (TCM) J217.
4. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)

1. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

1. Check the DTC memory. Refer to.
2. If necessary, erase DTC memory of the Transmission Control Module (TCM) J217.
3. Generate readiness code.

End of procedure

CAN-Bus terminal resistance, Transmission Control Module (TCM) J217 to Engine Control Module (ECM) J220 , checking

The Motronic Engine Control Module (ECM) J220 communicates with all databus capable control modules via a CAN databus.

These databus capable control modules are connected via two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information (messages). Missing information on the databus is recognized as a malfunction and stored.

Trouble-free operation of the CAN-bus requires that it have a terminal resistance. The central terminal resistor is located in the Engine Control Module (ECM) J220.

Special tools, testers and auxiliary items required

1. Multimeter.
2. Wiring diagram.

Test requirement

1. A CAN-Bus malfunction was recognized.
2. The Engine Control Module (ECM) J220 fuses OK.
3. Battery voltage at least 12.5 V.
4. Ignition switched off.

Test procedure

1. Perform a preliminary check to verify the customers complaint. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000)

Start diagnosis

Removal

1. Remove the center dash panel - 1 - in the direction of the - arrow -.

1. Remove the right upper dashboard panel.

1. Remove the three center screws - 1

1. Remove the right upper dashboard panel - 1 - in the direction of - arrow A - and - arrow B -.
2. Pull the Transmission Control Module (TCM) J217 electrical harness electrical connector - 1 - retaining tab in the direction of the - arrow - and remove from the Transmission Control Module (TCM) J217 - 2 -.

1. Remove the retaining nuts - 3 - and the Transmission Control Module (TCM) J217 - 2 - in the direction of the - arrow -.

Note. The Engine Control Module (ECM) J220 must remain connected for the following step.

1. Using a Multimeter , check the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals 3 to 25 for resistance.

Specified value: 60 to 72 ohms (at approx. 20 ° C)

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Replace the Transmission Control Module (TCM) J217. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .

If the specified value was obtained

Checking wiring

If the manufacturers test box is being used. Perform the following step.

1. Install the Adapter F/VAG1598 (68 Pin) VAG1598/22
2. Install the Adapter - 68 Pin VAG1598/18. Refer to «38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255022-S24660042882007052300000) for 4 SPD. AUTOMATIC TRANSMISSION 01M and «38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS»(ref-255023-S11022142632007052300000) for 5 SPD. AUTOMATIC TRANSMISSION 09A .

If the manufacturers test box is not being used. Perform the following step.

1. Remove the Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Using a Multimeter , check the Transmission Control Module (TCM) J217 electrical harness connector T68 to the Engine Control Module (ECM) J220 electrical harness connector T80 for resistance.

Specified value: 1.5 ohms Max.

If the specified value was not obtained

1. Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
2. Check the wiring connection for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring

1. Erase the DTC memory. Refer to --> «Diagnostic Mode 04: Reset/delete diagnostic data»(ref-255014-S10840575532007052300000)
2. Perform a road test to verify repair.

If the DTC does not return

Repair complete, Generate readiness code. Refer to --> Readiness Code .

1. End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK

1. Replace the Motronic Engine Control Module (ECM) J220. Refer to --> «Motronic Engine Control Module (ECM) J220 , replacing»(ref-255014-S25909326542007052300000) .
2. Assembly is performed in the reverse of the removal.

Final procedures

After the repair work, the following work steps must be performed in the following sequence

1. Check the DTC memory. Refer to.
2. If necessary, erase the DTC memory.
3. If the DTC memory was erased, generate readiness code.

End of diagnosis

Serial Data Link (MIL) Illumination

MIL is an abbreviation for the Malfunction Indicator Lamp (MIL).

If the Engine Control Module (ECM) recognizes a malfunction that leads to increased emissions values, it indicates them by lighting the Malfunction Indicator Lamp (MIL) which is located in the instrument cluster.

The Engine Control Module (ECM) switches on the Malfunction Indicator Lamp (MIL) after the ignition is switched on. Shortly after the engine is started, The Malfunction Indicator Lamp (MIL) goes out if the Engine Control Module (ECM) does not detect a malfunction that increases the emissions values.

If the Engine Control Module (ECM) recognizes a malfunction that leads to increased emissions during the operation of the engine, the Engine Control Module (ECM) switches on the Malfunction Indicator Lamp (MIL) and an entry is stored in the DTC memory of the Engine Control Module (ECM).

Controller Area Network (CAN) Data Link

CAN is an abbreviation for Controller Area Network.

The Engine Control Module (ECM) communicates with all databus capable control modules via a CAN Data Link.

The databus capable control modules (i.e. Engine Coolant temperature Sensor) are connected via two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information (messages) to the Engine Control Module (ECM). Missing information on the databus is then recognized and stored as a malfunction.

The Engine Control Module (ECM) illuminates the Malfunction Indicator Lamp (MIL) through the CAN data link and tells the Malfunction Indicator Lamp (MIL) to turn on, turn off, or blink.

Electronic Power Control (EPC) Warning Lamp

EPC is an abbreviation that stands for the Electronic Power Control (E-gas).

The Engine Control Module (ECM) monitors all EPC components after the ignition is switched on.

If a malfunction is recognized in the EPC system during the operation of the engine, the Engine Control Module (ECM) switches on the Electronic Power Control (EPC) Warning Lamp which is located in the instrument cluster and an entry is stored in the DTC memory of the Engine Control Module (ECM).

Mode 03: Interrogating fault memory

Description

When the Engine Control Module (ECM) recognizes an emission related fault, it turns on the Malfunction Indicator Lamp (MIL) or if a Electronic Throttle Malfunction is recognized, the Engine Control Module (ECM) turns on the Electronic Power Control (EPC) Warning Lamp which are both located in the instrument cluster.

Diagnostic Mode 03 is used to retrieve and view any DTC which may be stored in the Engine Control Module (ECM).

The DTCs are sorted by SAE code with the DTC tables consisting of a 5-digit alpha-numeric value.

Depending on scan tool and protocol used, the information displayed in diagnostic mode 03 may be referred to by different names such as Test-ID (TID), Hex-ID, Component-ID (CID), On-Board Diagnostic Monitor Identifier (OBDMID), or contain no name at all and be referenced by only a number.

The following tables provide a breakdown and explanation of the DTC code.

P-Codes

U-Codes

Interrogating the Fault Memory

Procedure

1. Connect the scan tool.
2. Switch the ignition to the "ON" position.
3. Select "Diagnostic Mode 03: Interrogating fault memory ".
4. The stored DTC or DTCs will be displayed on the scan tool screen.

The following table is an example of the DTC information that may be displayed on the scan tool screen

1. Refer to the following DTC tables for the diagnostic repair procedure

1. SAE P0xxxDTCs --> «SAE P0xxxDTCs»(ref-255014-S18554764302007052300000) .
2. SAE P1xxxDTCs --> «SAE P1xxxDTCs»(ref-255014-S08249591092007052300000) .

1. Switch the ignition off.

End of procedure

Work procedure

1. Connect the scan tool.
2. Start the engine and run at idle.

Note. If the engine does not start, crank the engine using starter for at least 5 seconds, do not switch the ignition off afterward under any circumstances.

1. Select "Mode 5".
2. Select the desired "Test-ID" of the component or system that is to be monitored, e.g. "Test-ID 01: Oxygen Sensor Monitor Bank 1 - Sensor 1".
3. Select the desired "Test-ID".

The current minimum and maximum values will be displayed on the scan tool screen.

The following table is a numerical list of all "Test-IDs" or "Hex-IDs" that may be selected.

Test-ID 01 ($01): Oxygen Sensor in Front of Catalytic Convertor Monitor Bank 1 - Sensor 1

1. Connect the scan tool.
2. Start the engine and run at idle.
3. Select "Mode 5".

Select "Test-ID 01 ($01) ".

1. Select the desired "Test-ID (TID)" or "Hex-ID".
2. Check specified values at idle.

1. If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) .
2. Switch the ignition off.

End of diagnosis

Test-ID 02 ($02): Oxygen Sensor Behind Catalytic Converter Monitor Bank 1- Sensor 2

1. Connect the scan tool.
2. Start the engine and run at idle.
3. Select "Mode 5".

Select "Test-ID 02 ($02)".

1. Select the desired "Test-ID (TID)" or "Hex-ID".
2. Check specified values at idle.

1. If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) .
2. Switch the ignition off.

End of diagnosis

1. Connect the scan tool.
2. Start the engine and run at idle.

Note. If the engine does not start, crank the engine using starter for at least 5 seconds, do not switch the ignition off afterward under any circumstances.

1. Select "Mode 6: Check test the results of components that are not continuously monitored".
2. Select the desired "Test-ID" of the component or system that is to be monitored, e.g. "Test-ID 01: Oxygen Sensor Monitor Bank 1 - Sensor 1".
3. Select the desired "Test-ID".

The current minimum and maximum values will be displayed on the scan tool screen.

The following table is a numerical list of all "Test-IDs" or "Hex-IDs" that may be selected.

Test-ID 01 ($01): Catalytic Conversion (Bank 1)

1. Connect the scan tool.
2. Start the engine and run at idle.
3. Select "Mode 6".

Select "Test-ID 01 ($01) ".

1. Select the desired "Test-ID (TID)" or "Hex-ID".
2. Check specified values at idle.

1. If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) .
2. Switch the ignition off.

End of diagnosis

Test-ID 02 ($02): Oxygen Sensor Bank 1- Sensor 1

1. Connect the scan tool.
2. Start the engine and run at idle.
3. Select "Mode 6".

Select "Test-ID 02 ($02)".

1. Select the desired "Test-ID (TID)" or "Hex-ID".
2. Check specified values at idle.

1. If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) .
2. Switch the ignition off.

End of diagnosis

Test-ID 05 ($05): Tank Ventilation System, Tank Leak Test

1. Connect the scan tool.
2. Start the engine and run at idle.
3. Select "Mode 6".

Select "Test-ID 05 ($05)".

1. Select the desired "Test-ID (TID)" or "Hex-ID".
2. Check specified values at idle.

1. If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) .
2. Switch the ignition off.

End of diagnosis

Preliminary check

Before performing any pin point test or component diagnosis, a preliminary check must be performed.

Check the Technical Bulletins for information that may supersede any information included in this manual. Refer to EBAHN-Website.

1. Connect the scan tool.
2. Switch the ignition on.
3. Using the scan tool, check for any stored or related DTCs.

If other DTCs are stored

1. Repair these DTCs first before performing the following procedure.

If no other DTCs are stored

1. Using the scan tool, erase the DTC memory. Refer to --> «Mode 03: Interrogating fault memory»(ref-255014-S31889401162007052300000) .
2. Perform a road test to attempt to duplicate the customers complaint.

If the DTC returns

1. Perform the diagnostic procedure.

If the DTC does not return

1. The fault is intermittent or a sporadic condition may exist.
2. Check the suspected component, electrical harness and electrical harness connectors for damage, corrosion, loose or broken terminals.
3. If necessary, repair the faulty wiring connection.
4. Perform a road test to verify the repair.

If the DTC returns

1. Perform the diagnostic procedure.

If the DTC does not return

The fault may have been the result of a loose electrical connection.

1. Generate readiness code. Refer to --> «Readiness Code Description»(ref-255014-S18298458762007052300000) .

End of diagnosis

SAE P0xxxDTCs

FUEL AND AIR RATIOS

IGNITION SYSTEM

ADDITIONAL EXHAUST REGULATION

SPEED AND IDLE CONTROL

01M TRANSMISSION

SAE P1xxxDTCs

Fuel and Air ratios, control module

01M TRANSMISSION