Engine Control Module (ECM) Diagnostic Trouble Codes - 7 of 11: Other Volvo S80 I

Information

No fault-tracing has been developed for the diagnostic trouble code (DTC) for this fault. The diagnostic trouble code (DTC) may also be stored in another system for which there are fault-tracing procedures. Read off diagnostic trouble codes (DTCs) from the affected system. Fault-trace the system. For further information about this diagnostic trouble code (DTC), select Information, then DTC information.

Fault-tracing information

See Fault-tracing information

Fuel tank filler cap missing

See Fuel tank filler cap missing

In case of this defect, troubleshooting is not followed by verification.

The information can be displayed again or the fault-tracing for this fault can be interrupted.

Checking the component

1. Slacken off the evaporative emission system (EVAP) valve
2. Connect a vacuum pump to the evaporative emission system (EVAP) valve terminal (B). Pump a vacuum. Check that there is no leakage through the evaporative emission system (EVAP) valve by listening to and checking via the pump gauge that the pressure is stable
3. Connect the Evaporative emission system (EVAP) valve connector
4. Ignition on
5. Activate the evaporative emission system (EVAP) valve. When the Evaporative emission system (EVAP) valve is activated, the valve opens and clicks. Check on the pump gauge that the vacuum drops (the pressure evens out) when the evaporative emission system (EVAP) valve opens. If the function is OK, there must be no leakage when the evaporative emission system (EVAP) valve is closed (stable pressure on the pump gauge) and the vacuum must drop when the evaporative emission system (EVAP) valve opens (the pressure evens out). The evaporative emission system (EVAP) valve is damaged if the function is faulty. If the function of the Evaporative emission system (EVAP) valve is OK, check: The hose and hose terminals between the Evaporative emission system (EVAP) valve and the intake manifold. Check for leakage and blockages Check the hose and hose terminals between the EVAP canister and the Evaporative emission system (EVAP) valve. Check for leakage and blockages. Remedy as necessary. Other information Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) . Location of components, 6 cylinder normally aspirated engines: For 6 cylinder naturally aspirated engines -2001, see «Location of components»(ref-440286-S07141424702011121400000) For 6 cylinder naturally aspirated engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder naturally aspirated engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) . Location of components, on 5 cylinder engines: «Location of components»(ref-461673-S37190921092012040200000) AWD, see «Replacing the carbon filter container»(ref-461762-S29819404772012040200000) Not all-wheel drive (AWD), see «Replacing the carbon filter container»(ref-440269-S15895984102011121400000)

1. Continue Refer to «Information»(ref-440288-S13718756302011121400000)

In case of this defect, troubleshooting is not followed by verification.

The information can be displayed again or the fault-tracing for this fault can be interrupted.

Verification

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off
2. Reconnect the connectors, reinstall components etc.
3. Ignition on
4. Activate the evaporative emission system (EVAP) valve. A click should be heard when the evaporative emission system (EVAP) valve is activated.

Is the evaporative emission system (EVAP) valve working?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S15084669952011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off
2. Reconnect the connectors, reinstall components etc.
3. Ignition on
4. Activate the evaporative emission system (EVAP) valve. A click should be heard when the evaporative emission system (EVAP) valve is activated.

Is the evaporative emission system (EVAP) valve working?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S29369960522011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off
2. Reconnect the connectors, reinstall components etc.
3. Ignition on
4. Activate the evaporative emission system (EVAP) valve. A click should be heard when the evaporative emission system (EVAP) valve is activated.

Is the evaporative emission system (EVAP) valve working?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S34391286952011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Safety

First read Safety regulations for handling fuel .

1. Continue Refer to «Checking hoses and pipes»(ref-440288-S13873298432011121400000)

Checking hoses and pipes

Check that the fuel tank filler cap is on properly and that its seal is intact.

Check that the hoses and hose connectors at the EVAP canister and fuel tank are not leaking or pinched.

1. Continue Refer to «Information»(ref-440288-S28290091992011121400000)

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

First read Safety regulations for handling fuel .

1. Continue Refer to «Checking hoses and connectors»(ref-440288-S00755187272011121400000)

Checking hoses and connectors

Check that the fuel tank filler cap is on properly and that its seal is intact.

Check that the hoses and hose connectors at the EVAP canister and fuel tank are not leaking or pinched.

1. Continue Refer to «Information»(ref-440288-S05061171852011121400000)

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Minor leak. Permanent fault

Special tools

See 9995646

First read Safety regulations for handling fuel .

1. Continue Refer to «Checking cables and terminals»(ref-440288-S40795416242011121400000)

Checking cables and terminals

Check that the fuel tank filler cap is on properly and that its seal is intact.

Check hoses and hose connectors at the EVAP canister, EVAP canister shut-off valve and fuel tank.

Remedy as necessary.

Carry out a quick test of the fuel system.

Were any faults detected?

1. Continue Refer to «General about fuel tank system test»(ref-440288-S05761605262011121400000)

Checking engine coolant temperature (ECT)

Note. If the engine coolant temperature (ECT) is under 70 °C (158 °F) the test cannot start.

Scheme 207

1. Start the engine.
2. Read off engine coolant temperature (ECT) If the engine coolant temperature (ECT) is under 70 °C (158 °F) allow the engine to reach operating temperature or interrupt the test.

Is the temperature above 70 °C (158 °F)?

1. YES Refer to «Start the fuel tank system test»(ref-440288-S12281069712011121400000)
2. NO FAULT TRACING FAILED

Checking hose to EVAP canister shut-off valve

Check hose to EVAP canister shut-off valve seal and check connectors.

Remedy as necessary.

Is the hose OK?

1. YES Refer to «Replacing component»(ref-440288-S35145788402011121400000)
2. NO Refer to «Verification»(ref-440288-S20737278302011121400000)

Replacing component

Try a new EVAP canister shut-off valve according to Replacing the EVAP canister shut-off valve .

Scheme 208

1. Continue Refer to «Verification»(ref-440288-S20737278302011121400000)

Scheme 209

1. Ignition off.
2. Remove fuel tank pressure sensor.
3. Remove hose with Y-nipple. Check that the nipple and hoses are not blocked. Remedy as necessary. Other information: To access/replace the fuel tank pressure sensor see «Replacing fuel tank pressure sensor»(ref-461756-S34461189332012040200000) .

Was a fault detected?

1. YES Refer to «Verification»(ref-440288-S20737278302011121400000)
2. NO Refer to «Replacing component»(ref-440288-S27346111212011121400000)

Try a new fuel tank pressure sensor according to Replacing fuel tank pressure sensor .

Scheme 210

1. Continue Refer to «Verification»(ref-440288-S20737278302011121400000)

Checking fuel tank system

1. Ignition off.
2. Carefully pressurize the fuel tank system to 7 kPa (1.02 psi). EVAP canister shut-off valve right angles to the hoses. WARNING: Max 10 kPa (1.45 psi) Check fuel tank system by spraying it with soapy water from the EVAP canister to the canister purge (CP) valve and on the line with the pressure regulator and roll-over valve to the fuel tank. Check filler pipe and fuel tank filler cap. It may be necessary to lower the fuel tank in order to fault-trace hoses and connectors on top of the fuel tank. WARNING: Never leave the car unattended with its system pressurized.

1. Continue Refer to «Verification»(ref-440288-S20737278302011121400000)

1. Ignition off.
2. Reinstall all hoses/components.
3. Start the engine. Activate the quick fuel tank system test.

Does the diagnostic trouble code (DTC) recur?

1. YES Refer to «Information»(ref-440288-S31582064042011121400000)
2. NO VERIFIED: Troubleshooting has been completed.

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Replacing fuel tank pressure sensor

Special tools

9995972

Preparations

Scheme 211

5-door cars

1. Remove all floor hatches and fold back carpet.
2. Remove cover over fuel pump (FP) unit.

4-door cars

1. Fold forward right rear seat
2. Remove cargo compartment carpet.
3. Fold back corner of wheel housing panel at shock absorber mounting.
4. Remove cover over fuel pump (FP) unit.

Disconnect connectors

Scheme 212

1. Disconnect all connectors on the bracket.
2. Remove rubber bracket around wiring.
3. Remove fuel filler pipe ground lead from nut on fuel tank level sensor cover.
4. Ensure that all cables routed through the fuel pump (FP) unit hole are free to follow the fuel tank when it is lowered.

Scheme 213

Remove fuel filler pipe

Scheme 214

1. Remove circlip securing rubber seal.
2. Release rubber seal from bodywork.

Remove fuel tank

Scheme 215

1. Position mobile jack with fixture «9995972»(ref-403953-S08076234722011061000000) under fuel tank, check that the lifting platform is flat so as not to damage the fuel tank.
2. Undo tank retaining straps and lower tank slightly.

Remove front holder

Scheme 216

1. Remove the entire mounting from the bracket by pulling it towards the right of the car.
2. Disconnect the hose between the EVAP canister shut-off valve and air cleaner (ACL) from the clamp on the fuel tank. HINT: Note position of hose in the clamp in case it opens. The hoses must be reinstalled in their original positions.

Replacing fuel tank pressure sensor

Scheme 217

Scheme 218

1. Remove the screw Removing clamp: squeeze clamp with a pipe wrench. Hold in place pry apart with a small screwdriver. NOTE: It is reusable.
2. Remove clamp NOTE: The clamp will be reused Removing clamp: squeeze clamp with a pipe wrench. Hold in place pry apart with a small screwdriver. NOTE: It is reusable.
3. Disconnect hose. Installing clamp: Press in the clamp with a pipe wrench until it locks.
4. Remove cable harness. Installing clamp: Press in the clamp with a pipe wrench until it locks.
5. Install the new pressure sensor, route cabling as before. Installing clamp: Press in the clamp with a pipe wrench until it locks.

Installing fuel tank

Scheme 219

1. Raise the fuel tank so that the front holder can be installed to the bracket by pressing it until it locks into place.
2. Ensure that cabling routed through the fuel pump (FP) unit hole will not be trapped when the fuel tank is installed.
3. Raise the fuel tank and fix it to the bodywork.
4. Install EVAP canister shut-off valve hose in the clamp on the fuel tank.

Installing rubber cover on fuel filler pipe

Scheme 220

1. Check that the inner rubber seal is correctly seated and that the drain pipe is inside the inner seal.
2. Check that circlip (1) is in position.
3. Lubricate rubber cover sealing surfaces (2) with petroleum jelly.
4. Install rubber cover (ensure that it is correctly positioned in relation to bodywork).
5. Install circlip (4) and drain pipe (3).
6. Connect all connectors and install fuel filler pipe ground lead.
7. Install rubber bracket around wiring.
8. Install panels, covers and carpets.

Replacing the EVAP canister shut-off valve

Note. Click here if you are working on the S80 Replacing the carbon filter container .

Removing the EVAP canister shut-off valve

Scheme 221

1. Disconnect the connector Removing the clamp: squeeze the clamp with a pipe wrench. Hold in place pry apart with a small screwdriver. NOTE: These are reusable.
2. Remove the clamps (2) at the EVAP canister and rear axle joint, and one tie strap. Removing the clamp: squeeze the clamp with a pipe wrench. Hold in place pry apart with a small screwdriver. NOTE: These are reusable.
3. Disconnect hoses.
4. Remove the rubber mounting from the bracket.

Installing the EVAP canister shut-off valve

In reverse order.

Installing the clamp

1. squeeze the clamp with a pipe wrench until it locks.

Note. Use a new screw clip at the EVAP canister. Use a new tie strap. Reuse the clamp at the rear axle joint.

Fault-tracing is not followed by verification for this fault.

HINT: After the diagnostic trouble codes (DTCs) are erased, the function of the leak diagnostic unit can be checked by running a quick test of the fuel tank system in the vehicle communication socket. If there is a fault, the fault status will be "FAULT FOUND" on the leak diagnostic unit.

The information can be displayed again or fault-tracing this fault can be interrupted.

Fault-tracing is not followed by verification for this fault.

HINT: After the diagnostic trouble codes (DTCs) are erased, the function of the leak diagnostic unit can be checked by running a quick test of the fuel tank system in the vehicle communication socket. If there is a fault, the fault status will be "FAULT FOUND" on the leak diagnostic unit.

The information can be displayed again or fault-tracing this fault can be interrupted.

Fault-tracing is not followed by verification for this fault.

HINT: After the diagnostic trouble codes (DTCs) are erased, the function of the leak diagnostic unit can be checked by running a quick test of the fuel tank system in the vehicle communication socket. If there is a fault, the fault status will be "FAULT FOUND" on the leak diagnostic unit.

The information can be displayed again or fault-tracing this fault can be interrupted.

Checking software

HINT: For vehicles of model year 2003-2005, the software in engine control module (ECM) should be checked before fault tracing of the fault relating to the leak from the tank system is carried out.

Scheme 222

Scheme 223

1. Ignition on. Click on the VCT2000 symbol to start the read out and check the software version in the Engine control module (ECM). NOTE: More instructions follow together with the read out.

Has the latest software been downloaded to the control module?

1. YES Refer to «Perform quick-test tank system»(ref-440288-S01594873562011121400000)
2. NO Ensure latest software is loaded.

Scheme 224

1. Activate the test by pressing on the symbol for VCT2000.
2. Read off initial parameters and check them according to start conditions for performing the test.
3. Press the button "Start" to start the quick-test.
4. Check that the test has started. Parameters run status shall go to "In progress" and the test phase shall go to "Reference". NOTE: If the test does not start, check that the start conditions are fulfilled. When the reference phase is finished, check of the tank system starts. The pressure in the tank starts to increase, see graph. Within 15 minutes the Engine control module (ECM) makes a decision as to whether there is leakage in the tank system or not. The test is finished.
5. Check parameters for test result and follow relevant instructions below. NOTE: Estimated leakage shall be used to get an idea of the proximity to the diagnostic trouble code limit. If the estimated leakage is very near the diagnostic trouble code limit, troubleshooting should probably be performed despite the Tank system, test result shows "No leakage found", especially if diagnostic trouble code for leakage has been stored earlier. NOTE: Use diagnostic trouble code counter to see the frequency of the problem. Also use frozen values to get an idea if external conditions may have affected the result. Compare with current conditions in the workshop. Conditions for starting the quick test of the fuel tank system No DTCs related to EVAP purge valve or ambient air pressure sensor set. Battery voltage 11-15 V. Atmospheric pressure higher than 750 hPa, appr. 2500 m (8200 ft). Fuel level 0-85 %. Ambient air temperature 4-35 °C (39-95 °F). NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 15 minutes, depending on the quantity of fuel in the fuel tank. It is highly recommended to use the constant voltage charger, Midtronics PSC-550, during the test. Other information See «Description of parameters, quick test of the fuel tank system»(ref-461754-S32521549422012040200000) See «Test phases, quick test fuel tank system»(ref-461751-S41817971422012040200000) For information on leakage diagnosis, see Design and Function. See «Connecting the breakout box»(ref-440211-S03702023042011121400000) See «Signal description»(ref-440279-S42603336692011121400000) See «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) Select alternative according to relevant test results: DMTL, test result = "Problem found" Refer to «DMTL, test result = "Problem found"»(ref-440288-S26789587512011121400000) Tank system, test result = "No leakage found" Refer to «Tank system, test result = "No leakage found"»(ref-440288-S30412402942011121400000) Tank system, test result = "Major leakage found" or "Minor leakage found" Refer to «Tank system, test result = "Major leakage found" or "Minor leakage found"»(ref-440288-S01216029662011121400000) DMTL, test result and Tank system, test result = "Unknown" Refer to «DMTL, test result and Tank system, test result = "Unknown"»(ref-440288-S21410497212011121400000) Cancel fault-tracing. FAULT NOT FOUND: Troubleshooting has been completed.

HINT: For vehicles of model year 2003-2005, the software in engine control module (ECM) should be checked before fault tracing of the fault relating to the leak from the tank system is carried out.

1. Ignition on. Click on the VCT2000 symbol to start the read out and check the software version in the Engine control module (ECM). NOTE: More instructions follow together with the read out.

Has the latest software been downloaded to the control module?

1. YES Refer to «Perform quick-test tank system»(ref-440288-S29543456982011121400000)
2. NO Ensure latest software is loaded.

Note. The diagnostic trouble code (DTC) may have been caused by incorrect control of the heater element in the leak diagnostic unit. This is controlled by the central electronic module (CEM). Check and erase any diagnostic trouble codes (DTCs) in the central electronic module (CEM) before carrying out the following fault tracing.

HINT: Exit the fault-tracing for this fault. Then read off the diagnostic trouble codes (DTCs) from the vehicle communication socket (central electronic module (CEM)). Fault trace any diagnostic trouble code (DTC) that is stored.

Select a suitable alternative to continue

1. Continue this fault tracing Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S00122618792011121400000)
2. Exit this fault-tracing. OKAY: Troubleshooting has been completed.

Checking the status

1. The status of the fault can be determined by activating a quick test of the fuel tank system
2. The fault is permanent if a fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
3. The fault is intermittent if no fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND". If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND" Refer to «Intermittent fault»(ref-440288-S28792954512011121400000) The test result for the leak diagnostic unit is "FAULT FOUND" (with the fault type) Refer to «Checking components and wiring»(ref-440288-S22378301182011121400000) The quick test does not start Refer to «Fault-tracing information»(ref-440288-S31162577472011121400000) The test result for the fuel tank system is "FAULT FOUND" (with the fault type). Refer to «Fault-tracing information»(ref-440288-S04338892762011121400000)

1. The control module is unable to run the reference phase to test the leak diagnostic unit. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that the hoses, connectors and components etc have been correctly reinstalled. Check that they are not damaged. HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
2. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S00122618792011121400000) Cancel fault-tracing for this fault. OKAY: Troubleshooting has been completed.

1. The control module has detected leakage in the fuel tank system. This may be because the fault existed before the fault-tracing was begun or that the fault occurred during the fault tracing. The fault is not relevant for this diagnostic trouble code (DTC) test. HINT: Check that the hoses, components etc have been correctly reinstalled. Check that they are not damaged. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S00122618792011121400000) Fault trace for leakage in the fuel tank system Refer to «Leakage»(ref-440288-S37149588592011121400000) Finish fault-tracing. OKAY: Troubleshooting has been completed.

Intermittent fault

The control module has previously detected a fault in the leak diagnostic unit but the fault is not active at present.

Check the leak diagnostic unit connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Other information

1. For resistance values, see «Component specifications»(ref-461750-S34427939622012040200000)
2. To connect the breakout box, see «Connecting the breakout box»(ref-440211-S03702023042011121400000)
3. To access or replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000)
4. For information about signals on 5 cylinder engines, see «Signal specification»(ref-440214-S33124753252011121400000)
5. For information about signals on 6 cylinder engines: For 6 cylinder engines -2001, see «Signal specification»(ref-440279-S16581672222011121400000) For 6 cylinder engines 2002-, see «Signal specification»(ref-440279-S30114162992011121400000) For 6 cylinder engines -2004, see «Signal specification»(ref-440279-S11542834502011121400000) For 6 cylinder engines 2005-, see «Signal specification»(ref-440279-S13492600202011121400000) .
6. See «Contents»(ref-440209-S18666729612011121400000) .

1. Continue Refer to «Information»(ref-440288-S12206562962011121400000)

1. The status of the leak can be determined by activating the quick test of the fuel tank system
2. The fault is permanent if leakage is detected when running the quick test of the fuel tank system
3. The fault is intermittent if no leakage is detected when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information: For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For further information about leak diagnostic parameters, see «Description of parameters, quick test of the fuel tank system»(ref-440285-S37807460282011121400000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND". Refer to «Intermittent fault»(ref-440288-S40517199982011121400000) The test result for the fuel tank system is "FAULT FOUND, MAJOR LEAK" or "FAULT FOUND, MINOR LEAK". Refer to «Checking components»(ref-440288-S33805920792011121400000) The quick test does not start or the test result for the leak diagnostic unit is "FAULT FOUND" (and the fault type). Refer to «Fault-tracing information»(ref-440288-S30812856972011121400000)

Checking components

1. Check that the fuel tank filler cap is properly installed and that its seal is not damaged
2. Check the hoses and connections on the leak diagnostic unit, the EVAP canister, EVAP canister purge valve and fuel filler pipe visually for damage or loose installation
3. Remedy as necessary. HINT: Diagnostic trouble codes (DTCs) caused by a loose fuel filler cap or hose connection may be difficult to find. If no leakage if detected by the control module when activating the quick test of the fuel tank system after the above checks and remedies, the fault may have been fixed. Other information To test pressurize the fuel tank system, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S22406709642011121400000)

Checking the EVAP canister purge valve

HINT: Leakage through the EVAP canister purge valve can be checked by blocking the hose between the EVAP canister and the purge valve and then running the quick test of the fuel tank system. If leakage was detected in a previous quick test of the fuel tank system but is not now detected when the hose between the EVAP canister and the purge valve is blocked, the leakage may be through the EVAP canister purge valve.

Scheme 225

1. Disconnect the hose between the EVAP canister purge valve and the EVAP canister from the connection to the EVAP canister purge valve. Block the hose while running the quick test of the fuel tank system. Other information: For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000) Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S13201171342011121400000)

Replacing the component

1. Try a new EVAP canister purge valve. See «Location of components, engine compartment»(ref-440286-S07948714472011121400000) .

1. Continue Refer to «Verification»(ref-440288-S38284542782011121400000)

Checking the fuel tank system

HINT: The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

1. Ignition off
2. Pressurize the tank system to locate any leaks. See «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) . When the fuel tank system is pressurized: Check the fuel tank system for leakage by spraying soap solution on the components for the fuel tank system, such as the tank, fuel filler pipe, fuel tank filler cap, EVAP canister purge valve, EVAP canister and the hoses and hose terminals between these components. Remedy as necessary. Reinstall components, hoses etc. If no leakage can be found in the fuel tank system after the above checks and corrective action but the fault remains after the quick test, the leak diagnostic unit may be defective. Run a quick test of the fuel tank system after the above checks and corrective action to check if the fault is still present. Other information: To lower the tank, see «Replacing the fuel tank»(ref-440269-S13317846432011121400000)

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S40812758182011121400000)

1. Ignition off. Try a new leak diagnostic unit. See «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

1. Continue Refer to «Verification»(ref-440288-S38284542782011121400000)

1. The control module cannot run the leak diagnostic when the quick test of the fuel tank system is activated. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that all conditions for starting the quick test of the fuel tank system are met and that all hoses, connectors, components etc are correctly reinstalled and undamaged
2. The quick test for the fuel tank system cannot be run if the battery voltage varies too much. The voltage may vary if the battery is being charged with a battery charger. Charge the battery before beginning the quick test to avoid voltage variations. HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
3. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs)»(ref-440288-S10378272582011121400000) Cancel fault-tracing for this fault. FAULT NOT FOUND: Troubleshooting has been completed.

The control module has previously detected a leak in the tank system but the fault is no longer active. The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission system (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

Other information

1. To check the fuel tank system for leakage, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000)
2. For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000)
3. Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .
4. To replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Verification»(ref-440288-S38284542782011121400000)

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S42506848082011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S16980148832011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Fault-tracing

See Fault-tracing

1. The status of the fault can be determined by activating a quick test of the fuel tank system
2. The fault is permanent if a fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
3. The fault is intermittent if no fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND". If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND" Refer to «Intermittent fault»(ref-440288-S31117763522011121400000) The test result for the leak diagnostic unit is "FAULT FOUND" (with the fault type) Refer to «Checking components and wiring»(ref-440288-S33974453302011121400000) The quick test does not start Refer to «Fault-tracing information»(ref-440288-S07110475672011121400000) The test result for the fuel tank system is "FAULT FOUND" (with the fault type). Refer to «Fault-tracing information»(ref-440288-S15441380182011121400000)

1. The control module is unable to run the reference phase to test the leak diagnostic unit. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that the hoses, connectors and components etc have been correctly reinstalled. Check that they are not damaged. HINT: Exit the fault-tracing for this fault. Then read off the diagnostic trouble codes (DTCs) from the vehicle communication socket (central electronic module (CEM)). Fault trace any other diagnostic trouble code (DTC) that is stored in the control module.
2. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S04259279062011121400000) Cancel fault-tracing for this fault. OKAY: Troubleshooting has been completed.

1. The control module has detected leakage in the fuel tank system. This may be because the fault existed before the fault-tracing was begun or that the fault occurred during the fault tracing. The fault is not relevant for this diagnostic trouble code (DTC) test. HINT: Check that the hoses, components etc have been correctly reinstalled. Check that they are not damaged.
2. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S04259279062011121400000) Fault trace for leakage in the fuel tank system Refer to «Leakage»(ref-440288-S05591174832011121400000) Finish fault-tracing. OKAY: Troubleshooting has been completed.

The control module has previously detected a fault in the leak diagnostic unit but the fault is not active at present.

Check the leak diagnostic unit connectors. Check for contact resistance and oxidation.

Check the hose between the leak diagnostic unit and the EVAP canister. Check for blockages.

Remedy as necessary.

Other information

1. For resistance values, see «Component specifications»(ref-461750-S34427939622012040200000)
2. To connect the breakout box, see «Connecting the breakout box»(ref-440211-S03702023042011121400000)
3. To access or replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000)
4. For information about signals on 5 cylinder engines, see «Signal specification»(ref-440214-S33124753252011121400000)
5. For information about signals on 6 cylinder engines: For 6 cylinder engines -2001, see «Signal specification»(ref-440279-S16581672222011121400000) For 6 cylinder engines 2002-, see «Signal specification»(ref-440279-S30114162992011121400000) For 6 cylinder engines -2004, see «Signal specification»(ref-440279-S11542834502011121400000) For 6 cylinder engines 2005-, see «Signal specification»(ref-440279-S13492600202011121400000) .
6. See «Contents»(ref-440209-S18666729612011121400000) .

1. Continue Refer to «Information»(ref-440288-S16087241512011121400000)

1. The status of the leak can be determined by activating the quick test of the fuel tank system
2. The fault is permanent if leakage is detected when running the quick test of the fuel tank system
3. The fault is intermittent if no leakage is detected when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information: For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For further information about leak diagnostic parameters, see «Description of parameters, quick test of the fuel tank system»(ref-440285-S37807460282011121400000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND". Refer to «Intermittent fault»(ref-440288-S21076316652011121400000) The test result for the fuel tank system is "FAULT FOUND, MAJOR LEAK" or "FAULT FOUND, MINOR LEAK". Refer to «Checking components»(ref-440288-S06001758092011121400000) The quick test does not start or the test result for the leak diagnostic unit is "FAULT FOUND" (and the fault type). Refer to «Fault-tracing information»(ref-440288-S31577623382011121400000)

1. Check that the fuel tank filler cap is properly installed and that its seal is not damaged
2. Check the hoses and connections on the leak diagnostic unit, the EVAP canister, EVAP canister purge valve and fuel filler pipe visually for damage or loose installation
3. Remedy as necessary. HINT: Diagnostic trouble codes (DTCs) caused by a loose fuel filler cap or hose connection may be difficult to find. If no leakage if detected by the control module when activating the quick test of the fuel tank system after the above checks and remedies, the fault may have been fixed. Other information To test pressurize the fuel tank system, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S26136328782011121400000)

HINT: Leakage through the EVAP canister purge valve can be checked by blocking the hose between the EVAP canister and the purge valve and then running the quick test of the fuel tank system. If leakage was detected in a previous quick test of the fuel tank system but is not now detected when the hose between the EVAP canister and the purge valve is blocked, the leakage may be through the EVAP canister purge valve.

1. Disconnect the hose between the EVAP canister purge valve and the EVAP canister from the connection to the EVAP canister purge valve. Block the hose while running the quick test of the fuel tank system. Other information: For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000) Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S22122043062011121400000)

1. Try a new EVAP canister purge valve. See «Location of components, engine compartment»(ref-440286-S07948714472011121400000) .

1. Continue Refer to «Verification»(ref-440288-S40848758212011121400000)

HINT: The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

1. Ignition off
2. Pressurize the tank system to locate any leaks. See «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) . When the fuel tank system is pressurized: Check the fuel tank system for leakage by spraying soap solution on the components for the fuel tank system, such as the tank, fuel filler pipe, fuel tank filler cap, EVAP canister purge valve, EVAP canister and the hoses and hose terminals between these components. Remedy as necessary. Reinstall components, hoses etc. If no leakage can be found in the fuel tank system after the above checks and corrective action but the fault remains after the quick test, the leak diagnostic unit may be defective. Run a quick test of the fuel tank system after the above checks and corrective action to check if the fault is still present. Other information: To lower the tank, see «Replacing the fuel tank»(ref-440269-S13317846432011121400000)

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S38797994102011121400000)

1. Ignition off. Try a new leak diagnostic unit. See «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

1. Continue Refer to «Verification»(ref-440288-S40848758212011121400000)

1. The control module cannot run the leak diagnostic when the quick test of the fuel tank system is activated. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that all conditions for starting the quick test of the fuel tank system are met and that all hoses, connectors, components etc are correctly reinstalled and undamaged
2. The quick test for the fuel tank system cannot be run if the battery voltage varies too much. The voltage may vary if the battery is being charged with a battery charger. Charge the battery before beginning the quick test to avoid voltage variations. HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
3. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs)»(ref-440288-S07699368192011121400000) Cancel fault-tracing for this fault. FAULT NOT FOUND: Troubleshooting has been completed.

The control module has previously detected a leak in the tank system but the fault is no longer active. The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission system (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

Other information

1. To check the fuel tank system for leakage, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000)
2. For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000)
3. Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .
4. To replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Verification»(ref-440288-S40848758212011121400000)

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S37916042372011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S37916042372011121400000)

See Fault-tracing

See Fault-tracing

1. The status of the fault can be determined by activating a quick test of the fuel tank system
2. The fault is permanent if a fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
3. The fault is intermittent if no fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND" Refer to «Intermittent fault»(ref-440288-S22099334642011121400000) The test result for the leak diagnostic unit is "FAULT FOUND" (with the fault type) Refer to «Checking components and wiring»(ref-440288-S27424386662011121400000) The quick test does not start Refer to «Fault-tracing information»(ref-440288-S05383428112011121400000) The test result for the fuel tank system is "FAULT FOUND" (with the fault type). Refer to «Fault-tracing information»(ref-440288-S06626258782011121400000)

1. The control module is unable to run the reference phase to test the leak diagnostic unit. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that the hoses, connectors and components etc have been correctly reinstalled. Check that they are not damaged. HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
2. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S42584672102011121400000) Cancel fault-tracing for this fault. OKAY: Troubleshooting has been completed.

1. The control module has detected leakage in the fuel tank system. This may be because the fault existed before the fault-tracing was begun or that the fault occurred during the fault tracing. The fault is not relevant for this diagnostic trouble code (DTC) test. HINT: Check that the hoses, components etc have been correctly reinstalled. Check that they are not damaged.
2. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S42584672102011121400000) Fault trace for leakage in the fuel tank system Refer to «Leakage»(ref-440288-S25332831422011121400000) Finish fault-tracing. OKAY: Troubleshooting has been completed.

The control module has previously detected a fault in the leak diagnostic unit but the fault is not active at present.

Check the leak diagnostic unit connectors. Check for contact resistance and oxidation.

Check the hose and the filter for the air intake on the leak diagnostic unit. Check for blockages.

Remedy as necessary.

Other information

1. For resistance values, see «Component specifications»(ref-461750-S34427939622012040200000)
2. To connect the breakout box, see «Connecting the breakout box»(ref-440211-S03702023042011121400000)
3. To access or replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000)
4. For information about signals on 5 cylinder engines, see «Signal specification»(ref-440214-S33124753252011121400000)
5. For information about signals on 6 cylinder engines: For 6 cylinder engines -2001, see «Signal specification»(ref-440279-S16581672222011121400000) For 6 cylinder engines 2002-, see «Signal specification»(ref-440279-S30114162992011121400000) For 6 cylinder engines -2004, see «Signal specification»(ref-440279-S11542834502011121400000) For 6 cylinder engines 2005-, see «Signal specification»(ref-440279-S13492600202011121400000) .
6. See «Contents»(ref-440209-S18666729612011121400000) .

1. Continue Refer to «Information»(ref-440288-S22286776082011121400000)

1. The status of the leak can be determined by activating the quick test of the fuel tank system
2. The fault is permanent if leakage is detected when running the quick test of the fuel tank system
3. The fault is intermittent if no leakage is detected when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information: For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For further information about leak diagnostic parameters, see «Description of parameters, quick test of the fuel tank system»(ref-440285-S37807460282011121400000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND". Refer to «Intermittent fault»(ref-440288-S21887063962011121400000) The test result for the fuel tank system is "FAULT FOUND, MAJOR LEAK" or "FAULT FOUND, MINOR LEAK". Refer to «Checking components»(ref-440288-S08856883822011121400000) The quick test does not start or the test result for the leak diagnostic unit is "FAULT FOUND" (and the fault type). Refer to «Fault-tracing information»(ref-440288-S28652766012011121400000)

1. Check that the fuel tank filler cap is properly installed and that its seal is not damaged
2. Check the hoses and connections on the leak diagnostic unit, the EVAP canister, EVAP canister purge valve and fuel filler pipe visually for damage or loose installation
3. Remedy as necessary. HINT: Diagnostic trouble codes (DTCs) caused by a loose fuel filler cap or hose connection may be difficult to find. If no leakage if detected by the control module when activating the quick test of the fuel tank system after the above checks and remedies, the fault may have been fixed. Other information To test pressurize the fuel tank system, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S30241204252011121400000)

HINT: Leakage through the EVAP canister purge valve can be checked by blocking the hose between the EVAP canister and the purge valve and then running the quick test of the fuel tank system. If leakage was detected in a previous quick test of the fuel tank system but is not now detected when the hose between the EVAP canister and the purge valve is blocked, the leakage may be through the EVAP canister purge valve.

1. Disconnect the hose between the EVAP canister purge valve and the EVAP canister from the connection to the EVAP canister purge valve. Block the hose while running the quick test of the fuel tank system. Other information: For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000) Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S37384454492011121400000)

1. Try a new EVAP canister purge valve. See «Location of components, engine compartment»(ref-440286-S07948714472011121400000) .

1. Continue Refer to «Verification»(ref-440288-S17623478372011121400000)

HINT: The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

1. Ignition off
2. Pressurize the tank system to locate any leaks. See «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) . When the fuel tank system is pressurized: Check the fuel tank system for leakage by spraying soap solution on the components for the fuel tank system, such as the tank, fuel filler pipe, fuel tank filler cap, EVAP canister purge valve, EVAP canister and the hoses and hose terminals between these components. Remedy as necessary. Reinstall components, hoses etc. If no leakage can be found in the fuel tank system after the above checks and corrective action but the fault remains after the quick test, the leak diagnostic unit may be defective. Run a quick test of the fuel tank system after the above checks and corrective action to check if the fault is still present. Other information: To lower the tank, see «Replacing the fuel tank»(ref-440269-S13317846432011121400000)

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S11279050942011121400000)

1. Ignition off. Try a new leak diagnostic unit. See «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

1. Continue Refer to «Verification»(ref-440288-S17623478372011121400000)

1. The control module cannot run the leak diagnostic when the quick test of the fuel tank system is activated. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that all conditions for starting the quick test of the fuel tank system are met and that all hoses, connectors, components etc are correctly reinstalled and undamaged
2. The quick test for the fuel tank system cannot be run if the battery voltage varies too much. The voltage may vary if the battery is being charged with a battery charger. Charge the battery before beginning the quick test to avoid voltage variations. HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
3. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs)»(ref-440288-S19157189162011121400000) Cancel fault-tracing for this fault. FAULT NOT FOUND: Troubleshooting has been completed.

The control module has previously detected a leak in the tank system but the fault is no longer active. The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission system (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

Other information

1. To check the fuel tank system for leakage, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000)
2. For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000)
3. Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .
4. To replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Verification»(ref-440288-S17623478372011121400000)

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S30880341222011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S30880341222011121400000)

See Fault-tracing

See Fault-tracing

1. The status of the fault can be determined by activating a quick test of the fuel tank system
2. The fault is permanent if a fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
3. The fault is intermittent if no fault is detected in the leak diagnostic unit when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND". If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND" Refer to «Intermittent fault»(ref-440288-S05064382982011121400000) The test result for the leak diagnostic unit is "FAULT FOUND" (with the fault type) Refer to «Checking components and wiring»(ref-440288-S41185224812011121400000) The quick test does not start Refer to «Fault-tracing information»(ref-440288-S23262983432011121400000) The test result for the fuel tank system is "FAULT FOUND" (with the fault type). Refer to «Fault-tracing information»(ref-440288-S37782443632011121400000)

1. The control module is unable to run the reference phase to test the leak diagnostic unit. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that the hoses, connectors and components etc have been correctly reinstalled. Check that they are not damaged. HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
2. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S29404899142011121400000) Cancel fault-tracing for this fault. OKAY: Troubleshooting has been completed.

1. The control module has detected leakage in the fuel tank system. This may be because the fault existed before the fault-tracing was begun or that the fault occurred during the fault tracing. The fault is not relevant for this diagnostic trouble code (DTC) test. HINT: Check that the hoses, components etc have been correctly reinstalled. Check that they are not damaged.
2. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs), engine control module (ECM)»(ref-440288-S29404899142011121400000) Fault trace for leakage in the fuel tank system Refer to «Leakage»(ref-440288-S37488259122011121400000) Finish fault-tracing. OKAY: Troubleshooting has been completed.

The control module has previously detected a fault in the leak diagnostic unit but the fault is not active at present.

Check the leak diagnostic unit connectors. Check for contact resistance and oxidation.

Check the hose and the filter for the air intake on the leak diagnostic unit. Check for blockages.

Remedy as necessary.

Other information

1. For resistance values, see «Component specifications»(ref-461750-S34427939622012040200000)
2. To connect the breakout box, see «Connecting the breakout box»(ref-440211-S03702023042011121400000)
3. To access or replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000)
4. For information about signals on 5 cylinder engines, see «Signal specification»(ref-440214-S33124753252011121400000)
5. For information about signals on 6 cylinder engines: For 6 cylinder engines -2001, see «Signal specification»(ref-440279-S16581672222011121400000) For 6 cylinder engines 2002-, see «Signal specification»(ref-440279-S30114162992011121400000) For 6 cylinder engines -2004, see «Signal specification»(ref-440279-S11542834502011121400000) For 6 cylinder engines 2005-, see «Signal specification»(ref-440279-S13492600202011121400000) .
6. See «Contents»(ref-440209-S18666729612011121400000) .

1. Continue Refer to «Information»(ref-440288-S25764868312011121400000)

1. The status of the leak can be determined by activating the quick test of the fuel tank system
2. The fault is permanent if leakage is detected when running the quick test of the fuel tank system
3. The fault is intermittent if no leakage is detected when running the quick test of the fuel tank system
4. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
5. Ignition on
6. Activate the quick test of the fuel tank system
7. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble codes (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 are not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
8. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. HINT: If the test result is "FAULT FOUND" and the fault type is displayed after the completed test, a diagnostic trouble code (DTC) for the fault will be stored in the control module. HINT: Other information: For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For further information about leak diagnostic parameters, see «Description of parameters, quick test of the fuel tank system»(ref-440285-S37807460282011121400000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) . Select an alternative to continue when the test is completed: The test result for the fuel tank system and leak diagnostic unit is "OK, NO FAULT FOUND". Refer to «Intermittent fault»(ref-440288-S32621757972011121400000) The test result for the fuel tank system is "FAULT FOUND, MAJOR LEAK" or "FAULT FOUND, MINOR LEAK". Refer to «Checking components»(ref-440288-S13731094672011121400000) The quick test does not start or the test result for the leak diagnostic unit is "FAULT FOUND" (and the fault type). Refer to «Fault-tracing information»(ref-440288-S23743547252011121400000)

1. Check that the fuel tank filler cap is properly installed and that its seal is not damaged
2. Check the hoses and connections on the leak diagnostic unit, the EVAP canister, EVAP canister purge valve and fuel filler pipe visually for damage or loose installation
3. Remedy as necessary. HINT: Diagnostic trouble codes (DTCs) caused by a loose fuel filler cap or hose connection may be difficult to find. If no leakage if detected by the control module when activating the quick test of the fuel tank system after the above checks and remedies, the fault may have been fixed. Other information To test pressurize the fuel tank system, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S13847624302011121400000)

HINT: Leakage through the EVAP canister purge valve can be checked by blocking the hose between the EVAP canister and the purge valve and then running the quick test of the fuel tank system. If leakage was detected in a previous quick test of the fuel tank system but is not now detected when the hose between the EVAP canister and the purge valve is blocked, the leakage may be through the EVAP canister purge valve.

1. Disconnect the hose between the EVAP canister purge valve and the EVAP canister from the connection to the EVAP canister purge valve. Block the hose while running the quick test of the fuel tank system. Other information: For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000) Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .

Carry out the quick test of the fuel tank system

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S35686939642011121400000)

1. Try a new EVAP canister purge valve. See «Location of components, engine compartment»(ref-440286-S07948714472011121400000) .

1. Continue Refer to «Verification»(ref-440288-S00613912372011121400000)

HINT: The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

1. Ignition off
2. Pressurize the tank system to locate any leaks. See «Test pressurizing the tank system»(ref-440278-S22082404872011121400000) . When the fuel tank system is pressurized: Check the fuel tank system for leakage by spraying soap solution on the components for the fuel tank system, such as the tank, fuel filler pipe, fuel tank filler cap, EVAP canister purge valve, EVAP canister and the hoses and hose terminals between these components. Remedy as necessary. Reinstall components, hoses etc. If no leakage can be found in the fuel tank system after the above checks and corrective action but the fault remains after the quick test, the leak diagnostic unit may be defective. Run a quick test of the fuel tank system after the above checks and corrective action to check if the fault is still present. Other information: To lower the tank, see «Replacing the fuel tank»(ref-440269-S13317846432011121400000)

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Activating the quick test of the fuel tank system»(ref-440288-S37551037762011121400000)

1. Ignition off. Try a new leak diagnostic unit. See «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

1. Continue Refer to «Verification»(ref-440288-S00613912372011121400000)

1. The control module cannot run the leak diagnostic when the quick test of the fuel tank system is activated. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that all conditions for starting the quick test of the fuel tank system are met and that all hoses, connectors, components etc are correctly reinstalled and undamaged
2. The quick test for the fuel tank system cannot be run if the battery voltage varies too much. The voltage may vary if the battery is being charged with a battery charger. Charge the battery before beginning the quick test to avoid voltage variations. HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
3. Remedy as necessary. Select a suitable alternative to continue: Start this fault-tracing from the beginning again Refer to «Checking other diagnostic trouble codes (DTCs)»(ref-440288-S12124976652011121400000) Cancel fault-tracing for this fault. FAULT NOT FOUND: Troubleshooting has been completed.

The control module has previously detected a leak in the tank system but the fault is no longer active. The fault may be due to leakage in the fuel tank, fuel filler pipe, fuel tank filler cap, evaporative emission system (EVAP) canister, EVAP canister purge valve, leak diagnostic unit or in the hoses between these components.

Other information

1. To check the fuel tank system for leakage, see «Test pressurizing the tank system»(ref-440278-S22082404872011121400000)
2. For the location of components on 5 cylinder engines, see «Location of components»(ref-461673-S37190921092012040200000)
3. Location of components, 6 cylinder turbocharged engines: For 6 cylinder turbocharged engines -2001, see «Location of components»(ref-440286-S18591874812011121400000) For 6 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-440286-S07948714472011121400000) For 6 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-440286-S42548706262011121400000) .
4. To replace the leak diagnostic unit, see «Leak diagnostic pump, replacing»(ref-440269-S15712613922011121400000) .

Carry out the quick test of the fuel tank system.

1. Continue Refer to «Verification»(ref-440288-S00613912372011121400000)

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S42903784382011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

HINT: After carrying out the repair, check that the fault has been remedied.

1. Switch off the ignition to ensure that the status of the quick test for the fuel tank system is "NOT COMPLETED". The test cannot be started if the status is "COMPLETED"
2. Ignition on
3. Activate the quick test of the fuel tank system
4. Read off the battery voltage, the status of the quick test of the fuel tank system and the status of the test phase. Check the parameters according to the conditions for starting the quick test of the fuel tank system. NOTE: The following conditions must be met in order for the quick test of the fuel tank system to be run correctly. Conditions for starting the quick test of the fuel tank system Diagnostic trouble code (DTC) ECM-4000, ECM-4007, ECM-4010, or ECM-4024 is not stored Engine off, ignition on The battery voltage must be 11-14 V The status of the test phase must be "NOT RUNNING". The status of the quick test for the fuel tank system must be "NOT COMPLETED". NOTE: The battery voltage must be correct throughout the entire test. The test can take up to 10 minutes, depending on the quantity of fuel in the fuel tank. Connect a battery charger if necessary.
5. Active the quick test for the fuel tank system by clicking the start button. Click the stop button to cancel the test. Check that the quick test has started by reading off the status of the test phase. The test has started when the status of the test phase is "REFERENCE 1". Wait until the test is complete. When the test is completed, the status of the test phase must be "NOT RUNNING" and the status of the quick test for the fuel tank system must be "COMPLETED". If no faults are detected after the quick test of the fuel tank system, the test result for the leak diagnostic module and the fuel tank system will be "NO FAULT FOUND" If a fault is detected after the quick test of the fuel tank system is complete, the test result for the fuel tank system or leak diagnostic unit will be "FAULT FOUND" with the fault type, depending on the fault. Other information For further information about leak diagnostics, see «Leak diagnostics (certain markets only)»(ref-461766-S21783698202012040200000) For information about test phases, see «Test phases»(ref-461751-S07355740392012040200000) .

Is the test result "NO FAULT FOUND" for both the leak diagnostic unit and the fuel tank system?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S42903784382011121400000)

See Fault-tracing

Signal missing

See Signal missing

Signal too high

See Signal too high

1. Ignition on. Activate the valve in the leak diagnostic unit to check whether the fault is permanent or intermittent. The valve clicks when it is activated. The fault is permanent if the valve does not activate. The fault is intermittent if the valve activates.

1. Continue Refer to «Checking components and wiring»(ref-440288-S35941961792011121400000)

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition on
2. Activate the valve in the leak diagnostic unit. The valve should click. Check that the function is OK.

Is the function OK?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S02154820182011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Signal missing

See Signal too high

Signal too low

See Signal too low

HINT: For vehicles of model year 2003-2008, the software in engine control module (ECM) should be checked before fault tracing of the fault relating to the leak from the tank system is carried out.

1. Ignition on. Click on the VCT2000 symbol to start the read out and check the software version in the Engine control module (ECM). NOTE: More instructions follow together with the read out.

Has the latest software been downloaded to the control module?

1. YES Refer to «Perform quick-test tank system»(ref-440288-S05279002092011121400000)
2. NO Ensure latest software is loaded.

HINT: For vehicles of model year 2003-2008, the software in engine control module (ECM) should be checked before fault tracing of the fault relating to the leak from the tank system is carried out.

1. Ignition on. Click on the VCT2000 symbol to start the read out and check the software version in the Engine control module (ECM). NOTE: More instructions follow together with the read out.

Has the latest software been downloaded to the control module?

1. YES Refer to «Perform quick-test tank system»(ref-440288-S39321017252011121400000)
2. NO Ensure latest software is loaded.

HINT: For vehicles of model year 2003-2008, the software in engine control module (ECM) should be checked before fault tracing of the fault relating to the leak from the tank system is carried out.

1. Ignition on. Click on the VCT2000 symbol to start the read out and check the software version in the Engine control module (ECM). NOTE: More instructions follow together with the read out.

Has the latest software been downloaded to the control module?

1. YES Refer to «Perform quick-test tank system»(ref-440288-S00813673722011121400000)
2. NO Ensure latest software is loaded.

See Fault-tracing

See Fault-tracing

See Fault-tracing

See Fault-tracing

See Fault-tracing

See Fault-tracing

See Fault-tracing information

Leakage

See Leakage

See Fault-tracing information

No fault-tracing has been developed for this diagnostic trouble code (DTC). A diagnostic trouble code for CAN communication can also be generated in the Central Electronic Module (CEM). This diagnostic trouble code shall not be cleared until the trouble code in the central electronic module (CEM) and in other affected control modules has been remedied and cleared. Therefore, first read the diagnostic trouble codes in the Central Electronic Module (CEM) and other affected control modules, perform fault tracing and remedy as necessary. This diagnostic trouble code (DTC) can then be erased. For further information on this diagnostic trouble code, see Diagnostic trouble code (DTC) information.

Other information

1. S80: «General information about fault-tracing in the CAN network»(ref-440288-S02927123652011121400000)

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

Control module previously registered a fault. The fault is now no longer present.

Scheme 226

1. Continue Refer to «Information»(ref-440288-S32457156692011121400000)

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

See Intermittent fault

See Intermittent fault

See Intermittent fault

Checking for air leakage in the intake system

Check for air leakage. See Check for air leaks in the intake system .

Remedy as necessary.

Scheme 227

Was there any air leakage?

1. YES Refer to «Verification»(ref-440288-S40583227412011121400000)
2. NO Refer to «Checking for air leakage in the exhaust system»(ref-440288-S42348813042011121400000)

Checking for air leakage in the exhaust system

Check for air leakage. See Checking for air leakage in the exhaust system .

Remedy as necessary.

Scheme 228

Was there any air leakage?

1. YES Refer to «Verification»(ref-440288-S40583227412011121400000)
2. NO Refer to «Checking fuel and residual pressures»(ref-440288-S08755168342011121400000)

Checking fuel and residual pressures

Check the fuel pressure and residual pressure. See Checking fuel and residual pressures .

Remedy as necessary.

Scheme 229

Was the pressure OK?

1. YES Refer to «Checking the compression»(ref-440288-S26930646182011121400000)
2. NO Refer to «Verification»(ref-440288-S40583227412011121400000)

Checking the compression

Test the compression. See Compression test .

Remedy as necessary.

Scheme 230

Is the compression OK?

1. YES Refer to «Replacing the component»(ref-440288-S23640613652011121400000)
2. NO Refer to «Verification»(ref-440288-S40583227412011121400000)

1. Try a new three-way catalytic converter (TWC): For B5xx4T -2004, see «Replacing the three-way catalytic converter (TWC)»(ref-461773-S07382653472012040200000) For B5xx4T 2005-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S30086765222011121400000) For B6xx4S 1999-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S26764639072011121400000) For B6xx4S 2000-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S04418266872011121400000) For B6xx4T -2001, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S26764639072011121400000) For B6xx4T 2002-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S20995688642011121400000) .

1. Continue Refer to «Verification»(ref-440288-S40583227412011121400000)

HINT: After carrying out the repair, check that the fault has been remedied as follows

1. Ignition off.
2. Replace connector, components etc.
3. Test drive car according to «Verifying repairs»(ref-440264-S06906222842011121400000) . NOTE: After test driving the engine should not be turned off. Information in the control module is erased. Connect VCT 2000 to the data link connector (DLC). Read off the status of the diagnostic trouble code (DTC). The text NOT READY is displayed if the diagnosis is still on-going. This indicates that the test drive was too short.

Is FAULT NOT REGISTERED displayed?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S17549484942011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Permanent fault

See Permanent fault

See Permanent fault

See Permanent fault

The control module has previously registered a fault. The fault is now no longer present.

1. Continue Refer to «Information»(ref-440288-S36617356682011121400000)

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Check for air leakage. See Check for air leaks in the intake system .

Remedy as necessary.

Was there any air leakage?

1. YES Refer to «Verification»(ref-440288-S36010183062011121400000)
2. NO Refer to «Checking for air leakage in the exhaust system»(ref-440288-S14401289472011121400000)

Check for air leakage. See Checking for air leakage in the exhaust system .

Remedy as necessary.

Was there any air leakage?

1. YES Refer to «Verification»(ref-440288-S36010183062011121400000)
2. NO Refer to «Checking fuel and residual pressures»(ref-440288-S33002475722011121400000)

Check the fuel pressure and residual pressure. See Checking fuel and residual pressures .

Remedy as necessary.

Was the pressure OK?

1. YES Refer to «Checking the compression»(ref-440288-S41042967482011121400000)
2. NO Refer to «Verification»(ref-440288-S36010183062011121400000)

Test the compression. See Compression test .

Remedy as necessary.

Is the compression OK?

1. YES Refer to «Replacing the component»(ref-440288-S03813441572011121400000)
2. NO Refer to «Verification»(ref-440288-S36010183062011121400000)

1. Try a new three-way catalytic converter (TWC): For B5xx4T -2004, see «Replacing the three-way catalytic converter (TWC)»(ref-461773-S07382653472012040200000) For B5xx4T 2005-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S30086765222011121400000) For B6xx4S 1999-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S26764639072011121400000) For B6xx4S 2000-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S04418266872011121400000) For B6xx4T -2001, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S26764639072011121400000) For B6xx4T 2002-, see «Three-way catalytic converter (TWC), replacing»(ref-440280-S20995688642011121400000) .

1. Continue Refer to «Verification»(ref-440288-S36010183062011121400000)

HINT: After carrying out the repair, check that the fault has been remedied as follows

1. Ignition off.
2. Replace connector, components etc.
3. Test drive car according to «Verifying repairs»(ref-440264-S06906222842011121400000) . NOTE: After test driving the engine should not be turned off. Information in the control module is erased. Connect VCT 2000 to the data link connector (DLC). Read off the status of the diagnostic trouble code (DTC). The text NOT READY is displayed if the diagnosis is still on-going. This indicates that the test drive was too short.

Is FAULT NOT REGISTERED displayed?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S42057522382011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

See Intermittent fault

See Intermittent fault

See Intermittent fault

See Intermittent fault

Check for air leakage according to Check for air leaks in the intake system .

Remedy as necessary.

Was there any air leakage?

1. YES Refer to «Verification»(ref-440288-S22899758372011121400000)
2. NO Refer to «Checking for air leakage in the exhaust system»(ref-440288-S32124913662011121400000)

Check for air leakage according to Checking for air leakage in the exhaust system .

Remedy as necessary.

Was there any air leakage?

1. YES Refer to «Verification»(ref-440288-S22899758372011121400000)
2. NO Refer to «Checking fuel and residual pressures»(ref-440288-S33781491882011121400000)

Check fuel and residual pressure according to Checking fuel and residual pressures .

Remedy as necessary.

Was the pressure OK?

1. YES Refer to «Verification»(ref-440288-S22899758372011121400000)
2. NO Refer to «Checking compression»(ref-440288-S17510000322011121400000)

Checking compression

Carry out a compression test according to Compression test .

Remedy as necessary.

Was compression OK?

1. YES Refer to «Replacing component»(ref-440288-S29819446152011121400000)
2. NO Refer to «Verification»(ref-440288-S22899758372011121400000)

1. Try a new three-way catalytic converter (TWC). Replace according to «Three-way catalytic converter (TWC), replacing»(ref-440280-S26764639072011121400000) .

Scheme 231

1. Continue Refer to «Verification»(ref-440288-S22899758372011121400000)

HINT: After carrying out the repair, check that the fault has been remedied as follows

1. Ignition off.
2. Replace connector, components etc.
3. Test drive car according to «Verifying repairs»(ref-440264-S06906222842011121400000) . NOTE: After test driving the engine should not be turned off. Information in the control module is erased. Connect VCT 2000 to the data link connector (DLC). Read off the status of the diagnostic trouble code (DTC). The text NOT READY is displayed if the diagnosis is still on-going. This indicates that the test drive was too short.

Is FAULT NOT REGISTERED displayed?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S12196543002011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

See Permanent fault

See Permanent fault

See Permanent fault

Info

When the fault is no longer present, no fault-tracing for an intermittent fault is required.

Scheme 232

Signal missing. Intermittent fault

See Signal missing. Intermittent fault

See Signal missing. Intermittent fault

See Signal missing. Intermittent fault

See Signal missing. Intermittent fault

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off.
2. Reinstall connectors, components etc.
3. Start the engine.
4. Air conditioning (A/C) switch on
5. Start the blower fan Check that the pressure increases in the air conditioning (A/C) system when the air conditioning (A/C) compressor engages. Also check if cold air blows into the passenger compartment when at the coolest setting. NOTE: The air conditioning (A/C) pressure is given in volts for values see «Component specifications»(ref-461750-S34427939622012040200000) .

Does the pressure in air conditioning (A/C) system change?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S03247071002011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Signal missing. Permanent fault

See Signal missing. Permanent fault

See Signal missing. Permanent fault

See Signal missing. Permanent fault

See Signal missing. Permanent fault

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Signal too high. Intermittent fault

See Signal too high. Intermittent fault

See Signal too high. Intermittent fault

See Signal too high. Intermittent fault

See Signal too high. Intermittent fault

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off.
2. Reinstall connectors, components etc.
3. Start the engine.
4. Air conditioning (A/C) switch on
5. Start the blower fan Check that the pressure increases in the air conditioning (A/C) system when the air conditioning (A/C) compressor engages. Also check if cold air blows into the passenger compartment when at the coolest setting. NOTE: The air conditioning (A/C) pressure is given in volts for values see «Component specifications»(ref-461750-S34427939622012040200000) .

Does the pressure in air conditioning (A/C) system change?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S30895031832011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Signal too high. Permanent fault

See Signal too high. Permanent fault

See Signal too high. Permanent fault

See Signal too high. Permanent fault

See Signal too high. Permanent fault

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Signal too low. Intermittent fault

See Signal too low. Intermittent fault

See Signal too low. Intermittent fault

See Signal too low. Intermittent fault

See Signal too low. Intermittent fault

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off.
2. Reinstall connectors, components etc.
3. Start the engine.
4. Air conditioning (A/C) switch on
5. Start the blower fan Check that the pressure increases in the air conditioning (A/C) system when the air conditioning (A/C) compressor engages. Also check if cold air blows into the passenger compartment when at the coolest setting. NOTE: The air conditioning (A/C) pressure is given in volts for values see «Component specifications»(ref-461750-S34427939622012040200000) .

Does the pressure in air conditioning (A/C) system change?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S20062678052011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Signal too low. Permanent fault

See Signal too low. Permanent fault

See Signal too low. Permanent fault

See Signal too low. Permanent fault

See Signal too low. Permanent fault

Check that the engine speed (RPM) sensor is correctly installed.

Check the engine speed (RPM) sensor. Check that it is not damaged or dirty.

HINT: The diagnostic trouble code (DTC) can be caused by damage in the flywheel / carrier plate. Look for damage to the flywheel / carrier plate.

Other information

1. For B5xx4T -2001, see «Replacing the engine speed (RPM) sensor»(ref-461749-S36199811742012040200000)
2. For B5xx4T 2002-, see «Replacing the engine speed (RPM) sensor»(ref-440263-S03460259482011121400000)
3. For B6xx4x -2001, see «Replacing the engine speed (RPM) sensor»(ref-440263-S12980455952011121400000)
4. For B6xx4x 2002-, see «Replacing the engine speed (RPM) sensor»(ref-440263-S05291773442011121400000) .

1. Continue Refer to «Verification»(ref-440288-S07650484092011121400000)

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off
2. Reconnect the connectors, reinstall components etc.
3. Start the engine
4. Read off the diagnostic status and fault status for the diagnostic trouble code (DTC) by selecting the relevant diagnostic trouble code (DTC) from the list. Increase the engine speed a number of times until the diagnostic is "Complete". Check the fault status for the diagnostic trouble code (DTC) when the diagnostic is "Complete". If the function is correct, the fault status must be "No fault found" when the diagnostic is complete. HINT: In some cases several functions of the component will be diagnosed. The affects the amount of time taken to run the diagnostic.

Is the function OK?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S14937055432011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off
2. Reconnect the connectors, reinstall components etc.
3. Start the engine
4. Read off the diagnostic status and fault status for the diagnostic trouble code (DTC) by selecting the relevant diagnostic trouble code (DTC) from the list. Increase the engine speed a number of times until the diagnostic is "Complete". Check the fault status for the diagnostic trouble code (DTC) when the diagnostic is "Complete". If the function is correct, the fault status must be "No fault found" when the diagnostic is complete. HINT: In some cases several functions of the component will be diagnosed. The affects the amount of time taken to run the diagnostic.

Is the function OK?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S13185175262011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off
2. Reconnect the connectors, reinstall components etc.
3. Start the engine
4. Read off the diagnostic status and fault status for the diagnostic trouble code (DTC) by selecting the relevant diagnostic trouble code (DTC) from the list. Increase the engine speed a number of times until the diagnostic is "Complete". Check the fault status for the diagnostic trouble code (DTC) when the diagnostic is "Complete". If the function is correct, the fault status must be "No fault found" when the diagnostic is complete. HINT: In some cases several functions of the component will be diagnosed. The affects the amount of time taken to run the diagnostic.

Is the function OK?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S29906803992011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Check that the engine speed (RPM) sensor is correctly installed.

Check the engine speed (RPM) sensor connector. Check for intermittent contact resistance and oxidation.

HINT: The engine speed (RPM) sensor and its wiring are sensitive to interference from surrounding cables, the starter motor cable for example, or similar high amperage cables.

Interference can cause difficulty in starting the engine, prevent the engine from starting at all or cause the tachometer to flicker during start attempts etc.

Causes of interference can be

1. nearby cables, such as an incorrectly routed cable for the starter motor
2. incorrectly tightened bolted joints securing the transmission to the engine.

Checking power cable

Check for incorrectly routed cables (routed too close to the engine speed (RPM) sensor).

Checking bolted joints

When removing and installing the transmission it is important that all the bolts for the engine are correctly tightened. Incorrectly tightened bolts can cause poor ground connection and interfere with the engine speed (RPM) sensor. Check that all the bolts from the transmission to the engine are correctly tightened.

Checking the wiring

Check the signal cable between the engine speed (RPM) sensor terminal #1 and engine control module (ECM) terminal #A48 (#A48) and between the engine speed (RPM) sensor terminal #2 and engine control module (ECM) terminal #A66 (#B6). Check for an intermittent short-circuit to supply voltage. Check for an intermittent short-circuit to ground. Check for an intermittent open-circuit.

Other information

1. See «Contents»(ref-440209-S18666729612011121400000)
2. For B5xx4T -2001, see «Replacing the engine speed (RPM) sensor»(ref-461749-S36199811742012040200000)
3. For B5xx4T 2002-, see «Replacing the engine speed (RPM) sensor»(ref-440263-S03460259482011121400000)
4. For B6xx4x -2001, see «Replacing the engine speed (RPM) sensor»(ref-440263-S12980455952011121400000)
5. For B6xx4x 2002-, see «Replacing the engine speed (RPM) sensor»(ref-440263-S05291773442011121400000) .

Remedy as necessary.

Scheme 233

Scheme 234

1. Continue Refer to «Verification»(ref-440288-S18613190812011121400000)

HINT: After carrying out the repair, check that the fault has been remedied.

1. Ignition off
2. Reconnect the connectors, reinstall components etc.
3. Start the engine
4. Read off the diagnostic status and fault status for the diagnostic trouble code (DTC) by selecting the relevant diagnostic trouble code (DTC) from the list. Increase the engine speed a number of times until the diagnostic is "Complete". Check the fault status for the diagnostic trouble code (DTC) when the diagnostic is "Complete". If the function is correct, the fault status must be "No fault found" when the diagnostic is complete. HINT: In some cases several functions of the component will be diagnosed. The affects the amount of time taken to run the diagnostic.

Is the function OK?

1. YES VERIFIED: Troubleshooting has been completed.
2. NO Refer to «Information»(ref-440288-S04847404412011121400000)

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

No fault-tracing has been developed for this diagnostic trouble code (DTC). A diagnostic trouble code (DTC) for this fault is stored in the transmission control module (TCM) first and then in the engine control module (ECM). This diagnostic trouble code (DTC) can not be erased before the diagnostic trouble code (DTC) in the transmission control module (TCM) has been erased and remedied.

First read off the diagnostic trouble codes (DTCs) in the transmission control module (TCM). Fault-trace and remedy as required. This diagnostic trouble code (DTC) can then be erased. For further information about this diagnostic trouble code (DTC), select Information, then DTC information.

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information

See Fault-tracing information