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Engine Control Module (ECM) Diagnostic Trouble Codes - 7 of 13: Wiring Volvo XC90 I

Testing & Diagnostics 2 illustrations ~6789 words

CHECKING COMPONENT AND WIRING

Check the cable between engine control module (ECM) #B46 and combined instrument panel #4 for a short-circuit to ground according to SHORT-CIRCUIT TO GROUND, PERMANENT FAULTS .

Remedy as necessary.

Other information

  1. For connection of engine control module (ECM) breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) .
  2. To connect the combined instrument panel breakout box, see «CONNECTING THE DRIVER INFORMATION MODULE (DIM) TEST BOX»(ref-476715-S41321205472012060500000)
  3. To access/replace the combined instrument panel, see «DRIVER INFORMATION MODULE (DIM), REPLACING»(ref-494797-S42034504312012081600000)
  4. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
  5. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
  6. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
  7. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
  8. For information about the combined instrument panel connector, see «DRIVER INFORMATION MODULE (DIM) SIGNAL DESCRIPTION»(ref-476716-S27453698592012060500000) .

Scheme 249

Scheme 249
Scheme 249
  1. Continue Refer to «VERIFICATION»(ref-476771-S12686496172012060500000)

CHECKING COMPONENTS AND WIRING

The immobilizer function is integrated in the central electronic module (CEM).

The engine control module (ECM) has previously registered a fault in the communication between the immobilizer and the engine control module (ECM), but has detected that this fault is no longer active.

  1. Continue Refer to «INFORMATION»(ref-476771-S39672172692012060500000)

CHECKING THE WIRING

Check the power supply cable between control module terminal #A39 (#A39) and mass air flow (MAF) sensor terminal #4. Check for a short-circuit to supply voltage.

Check the power supply cable between control module terminal #A39 (#A39) and boost pressure sensor terminal #3. Check for a short-circuit to supply voltage.

Check the power supply cable between control module terminal #A39 (#A39) and air conditioning (A/C) pressure sensor terminal #3. Check for a short-circuit to supply voltage.

HINT: Read off the voltage on the 5 volt power supply using the VCT2000 (or appropriate scan tool).

Remedy as necessary.

Other information

  1. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
  2. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
  3. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
  4. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
  5. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
  6. For the location of components, see «LOCATION OF COMPONENTS, ENGINE COMPARTMENT»(ref-476766-S14590560332012060500000) .
  7. For B5xx4T, see «TEMPERATURE AND PRESSURE SENSORS, REPLACING»(ref-476695-S35429283012012060500000)
  8. For B6xx4T, see «TEMPERATURE AND PRESSURE SENSORS, REPLACING»(ref-476695-S35429283012012060500000)
  9. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

Scheme 250

Scheme 250
Scheme 250
  1. Continue Refer to «VERIFICATION»(ref-476771-S11526695702012060500000)

Check the power supply cable between control module terminal #A39 (#A39) and mass air flow (MAF) sensor terminal #4. Check for a short-circuit to ground.

Check the power supply cable between control module terminal #A39 (#A39) and boost pressure sensor terminal #3. Check for a short-circuit to ground.

Check the power supply cable between control module terminal #A39 (#A39) and air conditioning (A/C) pressure sensor terminal #3. Check for a short-circuit to ground.

HINT: Read off the voltage of the 5-volt power supply using the VCT2000 (or appropriate scan tool).

Remedy as necessary.

Other information

  1. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
  2. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
  3. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
  4. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
  5. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
  6. For the location of components, see «LOCATION OF COMPONENTS, ENGINE COMPARTMENT»(ref-476766-S14590560332012060500000) .
  7. For B5xx4T, see «TEMPERATURE AND PRESSURE SENSORS, REPLACING»(ref-476695-S35429283012012060500000)
  8. For B6xx4T, see «TEMPERATURE AND PRESSURE SENSORS, REPLACING»(ref-476695-S35429283012012060500000)
  9. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S14561240312012060500000)
  1. Ignition off
  2. Check that the stop lamp switch is correctly installed. Check the resistance of the stop lamp switch with the switch pressed in and with the switch released. Take readings between terminals #1 and #5 (component side) on the stop lamp switch. HINT: The stop lamp switch must be closed when the brake pedal is depressed. The resistance of the stop lamp switch must be infinite when the brake pedal is unaffected. Check the stop lamp switch and engine control module (ECM) connectors. Check for contact resistance. Check for oxidation. Check the cable between stop lamp switch terminal #5 (cable harness side) and engine control module (ECM) terminal #B26 (#B36). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check central electronic module (CEM) connector B. Check for contact resistance and oxidation. Check the cable between stop lamp switch terminal #5 (cable harness side) and central electronic module (CEM) terminal #4B. Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Remedy as necessary. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For -2004, see: «CENTRAL ELECTRONIC MODULE (CEM), REPLACING»(ref-476708-S16664243282012060500000) For 2005-, see: «CENTRAL ELECTRONIC MODULE (CEM), REPLACING»(ref-476708-S02617745982012060500000) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)
  1. Continue Refer to «VERIFICATION»(ref-476771-S27412502672012060500000)
  1. Ignition off. Check the resistance of the clutch pedal sensor between terminals #2 and #4 (component side). Check the clutch pedal and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the signal cable between engine control module (ECM) terminal #B15 (#B25) and clutch pedal sensor terminal #2 (component side). Check for an open-circuit. Check the signal ground cable between engine control module (ECM) terminal #B4 (#B14) and clutch pedal sensor terminal #4 (cable harness side). Check for an open-circuit. Check the clutch pedal sensor installation. Search for damage and check the connections visually. HINT: With the ignition on, the power supply to the clutch pedal sensor must be approximately 5 V (measured with the clutch pedal sensor disconnected), measured between terminals #2 and #4 (cable harness side). Remedy as necessary. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) see «PEDAL POSITION SENSOR CLUTCH, REPLACING»(ref-494835-S39096077882012081600000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)
  1. Continue Refer to «VERIFICATION»(ref-476771-S29227379352012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. Check the function of the integrated return spring in the throttle unit by carefully manually turning the throttle to wide open position and then carefully releasing the throttle. Check that the return spring returns the shutter to its resting position. If the return spring does not return the shutter, the throttle unit is defective. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) .
  1. Continue Refer to «ADAPTATION OF THE THROTTLE UNIT»(ref-476771-S21033802572012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit. Check the signal cable (potentiometer 1) between engine control module (ECM) terminal #A1 (#A1) and throttle unit terminal #6 (wiring side). Check for an open-circuit. Check the signal cable (potentiometer 2) between engine control module (ECM) terminal #A20 (#A20) and throttle unit terminal #5 (wiring side). Check for an open-circuit. Check the signal cables (potentiometer 1) terminal #A1 (#A1) and (potentiometer 2) terminal #A20 (#A20). Check for a short-circuit to each other. HINT: With the ignition on, the power supply to the throttle unit potentiometers must be approximately 5 V measured between throttle unit connector terminals #2 and #3 (wiring side). If no faults are found during the checks and the diagnostic trouble code (DTC) recurs, try replacing the throttle unit. NOTE: When replacing the throttle unit, the throttle unit must be adapted. See Throttle unit adaptation in the vehicle communication socket. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S07093599802012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit. Check the signal ground cable between engine control module (ECM) terminal #A19 (#A19) and throttle unit terminal #2 (wiring side). Check for an open-circuit. HINT: With the ignition on, the power supply to the throttle unit potentiometers must be approximately 5 V measured between throttle unit connector terminals #2 and #3 (wiring side). Check the signal cable (potentiometer 1) between engine control module (ECM) terminal #A1 (#A1) and throttle unit terminal #6 (wiring side). Check for an open-circuit. Check for a short-circuit to supply voltage. If no faults are found during the checks and the diagnostic trouble code (DTC) recurs, try replacing the throttle unit. NOTE: When replacing the throttle unit, the throttle unit must be adapted. See Throttle unit adaptation in the vehicle communication socket. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S23667728682012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit. Check the power supply cable (5 volts) between engine control module (ECM) terminal #A59 (#A59) and throttle unit terminal #3 (wiring side). Check for an open-circuit. Check for a short-circuit to ground. HINT: With the ignition on, the power supply to the throttle unit potentiometers must be approximately 5 V measured between throttle unit connector terminals #2 and #3 (wiring side). Check the signal cable (potentiometer 1) between engine control module (ECM) terminal #A1 (#A1) and throttle unit terminal #6 (wiring side). Check for a short-circuit to ground. If no faults are found during the checks and the diagnostic trouble code (DTC) recurs, try replacing the throttle unit. NOTE: When replacing the throttle unit, the throttle unit must be adapted. See Throttle unit adaptation in the vehicle communication socket. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S20606643062012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit. Check the signal ground cable between engine control module (ECM) terminal #A19 (#A19) and throttle unit terminal #2 (wiring side). Check for an open-circuit. HINT: With the ignition on, the power supply to the throttle unit potentiometers must be approximately 5 V measured between throttle unit connector terminals #2 and #3 (wiring side). Check the signal cable (potentiometer 2) between engine control module (ECM) terminal #A20 (#A20) and throttle unit terminal #5 (wiring side). Check for a short-circuit to supply voltage. If no faults are found during the checks and the diagnostic trouble code (DTC) recurs, try replacing the throttle unit. NOTE: When replacing the throttle unit, the throttle unit must be adapted. See Throttle unit adaptation in the vehicle communication socket. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S42708150102012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit. Check the power supply cable (5 volts) between engine control module (ECM) terminal #A59 (#A59) and throttle unit terminal #3 (wiring side). Check for an open-circuit. Check for a short-circuit to ground. HINT: With the ignition on, the power supply to the throttle unit potentiometers must be approximately 5 V measured between throttle unit connector terminals #2 and #3 (wiring side). Check the signal cable (potentiometer 2) between engine control module (ECM) terminal #A20 (#A20) and throttle unit terminal #5 (wiring side). Check for an open-circuit. Check for a short-circuit to ground. If no faults are found during the checks and the diagnostic trouble code (DTC) recurs, try replacing the throttle unit. NOTE: When replacing the throttle unit, the throttle unit must be adapted. See Throttle unit adaptation in the vehicle communication socket. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S10491273332012060500000)
  1. Ignition off
  2. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance value of the damper motor winding in the throttle unit. Take readings between throttle unit terminals #1 and #4 (component side). Check for an open-circuit. Check for a short-circuit. NOTE: The resistance of the motor winding in the damper motor is very low. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (wiring side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (wiring side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . To access or replace the engine control module (ECM), see «ENGINE CONTROL MODULE (ECM), REPLACING»(ref-476695-S16000409902012060500000) .
  1. Continue Refer to «ADAPTATION OF THE THROTTLE UNIT»(ref-476771-S35612824752012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit and damper motor winding. NOTE: The resistance of the motor winding in the damper motor is very low. Replace the throttle unit if necessary. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (wiring side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (wiring side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. The throttle unit is defective if the diagnostic trouble code (DTC) recurs. NOTE: If the throttle unit is replaced it must be adapted. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) .
  1. Continue Refer to «INFORMATION»(ref-476771-S13877068512012060500000)
  1. Ignition off
  2. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance value of the damper motor winding in the throttle unit. Take readings between throttle unit terminals #1 and #4 (component side). Check for an open-circuit. Check for a short-circuit. NOTE: The resistance of the motor winding in the damper motor is very low. Replace the throttle unit if necessary. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. If no faults are found during the checks and the diagnostic trouble code (DTC) recurs, try replacing the throttle unit. NOTE: When replacing the throttle unit or the engine control module (ECM) the throttle unit must be adapted. See "Throttle unit adaptation" in the vehicle communication socket. Remedy as necessary. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . see «ENGINE CONTROL MODULE (ECM), REPLACING»(ref-476695-S16000409902012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S22088355752012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit and damper motor winding. NOTE: The resistance of the motor winding in the damper motor is very low. Replace the throttle unit if necessary. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. The throttle unit is damaged if the diagnostic trouble code (DTC) recurs. NOTE: If the throttle unit is replaced it must be adapted. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «INFORMATION»(ref-476771-S32851297342012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit and damper motor winding. NOTE: The resistance of the motor winding in the damper motor is very low. Replace the throttle unit if necessary. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. The throttle unit is damaged if the diagnostic trouble code (DTC) recurs. NOTE: If the throttle unit is replaced it must be adapted. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «INFORMATION»(ref-476771-S06834314192012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit and damper motor winding. NOTE: The resistance of the motor winding in the damper motor is very low. Replace the throttle unit if necessary. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. The throttle unit is damaged if the diagnostic trouble code (DTC) recurs. NOTE: If the throttle unit is replaced it must be adapted. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «INFORMATION»(ref-476771-S31057836922012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit and damper motor winding. NOTE: The resistance of the motor winding in the damper motor is very low. Replace the throttle unit if necessary. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. The throttle unit is damaged if the diagnostic trouble code (DTC) recurs. NOTE: If the throttle unit is replaced it must be adapted. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «INFORMATION»(ref-476771-S02829423302012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit and damper motor winding. NOTE: The resistance of the motor winding in the damper motor is very low. Replace the throttle unit if necessary. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. The throttle unit is damaged if the diagnostic trouble code (DTC) recurs. NOTE: If the throttle unit is replaced it must be adapted. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «INFORMATION»(ref-476771-S34379066232012060500000)
  1. Ignition off. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance values of the potentiometers in the throttle unit. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. Check the function of the integrated return spring in the throttle unit by carefully manually turning the throttle to wide open position and then carefully releasing the throttle. Check that the return spring returns the shutter to its resting position. If the return spring does not return the shutter, the throttle unit is damaged. Remedy as necessary. Other information: For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «ADAPTATION OF THE THROTTLE UNIT»(ref-476771-S21798485432012060500000)
  1. Ignition off
  2. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance value of the damper motor winding in the throttle unit. Take readings between throttle unit terminals #1 and #4 (component side). Check for an open-circuit. Check for a short-circuit. NOTE: The resistance of the motor winding in the damper motor is very low. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. Remedy as necessary. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «ENGINE CONTROL MODULE (ECM), REPLACING»(ref-476695-S16000409902012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)
  1. Continue Refer to «ADAPTATION OF THE THROTTLE UNIT»(ref-476771-S10342666102012060500000)
  1. Ignition off
  2. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance value of the damper motor winding in the throttle unit. Take readings between throttle unit terminals #1 and #4 (component side). Check for an open-circuit. Check for a short-circuit. NOTE: The resistance of the motor winding in the damper motor is very low. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. Remedy as necessary. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «ENGINE CONTROL MODULE (ECM), REPLACING»(ref-476695-S16000409902012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «ADAPTATION OF THE THROTTLE UNIT»(ref-476771-S32482878192012060500000)
  1. Ignition off
  2. Check the throttle unit and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the resistance value of the damper motor winding in the throttle unit. Take readings between throttle unit terminals #1 and #4 (component side). Check for an open-circuit. Check for a short-circuit. NOTE: The resistance of the motor winding in the damper motor is very low. Check the cable (+) for the damper motor between engine control module (ECM) terminal #A35 (#A35) and throttle unit terminal #4 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check the cable (-) for the damper motor between engine control module (ECM) terminal #A36 (#A36) and throttle unit terminal #1 (cable harness side). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Also check the damper motor cables (+) and (-). Check for a short-circuit to each other. Check that the shutter in the throttle unit is not blocked or sticking. Clean as necessary. Remedy as necessary. Other information: see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . For resistance values: «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For B5xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S14571847792012060500000) . For B6xx4T, see «THROTTLE BODY (ELECTRONIC THROTTLE MODULE), REPLACING»(ref-476768-S06588082252012060500000) . For B5xx4T, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S36382112932012060500000) . For B6xx4x, see «THROTTLE BODY (TB), CLEANING»(ref-476750-S05163330712012060500000) . see «ENGINE CONTROL MODULE (ECM), REPLACING»(ref-476695-S16000409902012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .
  1. Continue Refer to «ADAPTATION OF THE THROTTLE UNIT»(ref-476771-S19293911722012060500000)
  1. Ignition off. Check the resistance of the clutch pedal sensor between terminals #2 and #4 (component side). Check the clutch pedal sensor and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the signal cable between engine control module (ECM) terminal #B15 (#B25) and clutch pedal sensor terminal #2 (component side). Check for an open-circuit. Check the signal ground cable between engine control module (ECM) terminal #B4 (#B14) and clutch pedal sensor terminal #4 (wiring side). Check for an open-circuit. Check the clutch pedal sensor installation. Search for damage and check the connections visually. HINT: With the ignition on, the power supply to the clutch pedal sensor must be approximately 5 V (measured with the clutch pedal sensor disconnected), measured between terminals #2 and #4 (wiring side). Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) To access or replace the clutch pedal sensor, see «PEDAL POSITION SENSOR CLUTCH, REPLACING»(ref-494835-S39096077882012081600000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S25182155502012060500000)
  1. Ignition off
  2. Check the resistance of the clutch pedal sensor between terminals #2 and #4 (component side). Check the clutch pedal sensor and engine control module (ECM) connectors. Check for contact resistance and oxidation. Check the signal cable between engine control module (ECM) terminal #B15 (#B25) and clutch pedal sensor terminal #2 (component side). Check for an open-circuit. Check for a short-circuit to supply voltage. Check the signal ground cable between engine control module (ECM) terminal #B4 (#B14) and clutch pedal sensor terminal #4 (wiring side). Check for an open-circuit. HINT: With the ignition on, the power supply to the clutch pedal sensor must be approximately 5 V (measured with the clutch pedal sensor disconnected), measured between terminals #2 and #4 (wiring side). Remedy as necessary Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) To access or replace the clutch pedal sensor, see «PEDAL POSITION SENSOR CLUTCH, REPLACING»(ref-494835-S39096077882012081600000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S18338414432012060500000)
  1. Ignition off. Check the resistance of the clutch pedal sensor between terminals #2 and #4 (component side). Check the signal cable between engine control module (ECM) terminal #B15 (#B25) and clutch pedal sensor terminal #2 (wiring side). Check for a short-circuit to ground. HINT: With the ignition on, the power supply to the clutch pedal sensor must be approximately 5 V (measured with the clutch pedal sensor disconnected), measured between terminals #2 and #4 (wiring side). Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) To access or replace the clutch pedal sensor, see «PEDAL POSITION SENSOR CLUTCH, REPLACING»(ref-494835-S39096077882012081600000) For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S19115985952012060500000)
  1. Ignition off
  2. Check that the brake light switch is installed correctly and adjusted. Check the connectors for the brake light switch and engine control module (ECM) for contact resistance or oxidation and for damage to pins and connections. Check the connectors and terminals for water penetration. Check the cable between the brake light switch #5 (against cable harness) and engine control module (ECM) #B26 (#B36) for open circuit or short-circuit to ground or short-circuit to voltage. Check connector B for central electronic module (CEM) for contact resistance or oxidation. Check the cable between the brake light switch #5 (against cable harness) and central electronic module (CEM) #4B for open circuit, short-circuit to ground or short-circuit to voltage. Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) . For resistance value, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) . To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) . For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . Checking brake light switch adjustment: «CHECKING BRAKE LIGHT SWITCH ADJUSTMENT»(ref-476772-S26425324692012060500000) . For -2004, see: «CENTRAL ELECTRONIC MODULE (CEM), REPLACING»(ref-476708-S16664243282012060500000) For 2005-, see: «CENTRAL ELECTRONIC MODULE (CEM), REPLACING»(ref-476708-S02617745982012060500000) .
  1. Continue Refer to «VERIFICATION»(ref-476771-S30071121362012060500000)
  1. Ignition off
  2. Check the accelerator pedal (AP) position sensor connector. Check for contact resistance and oxidation. Check the power supply cable (12 V) between accelerator pedal (AP) position sensor terminal #1 (wiring side) and the relevant fuse for the circuit. Check for a short-circuit to ground. Check for an open-circuit. Check that the fuse for the circuit has not blown. Check the ground lead for power supply (12 V) between accelerator pedal (AP) position sensor terminal #3 (wiring side) and the relevant ground terminal. Check for contact resistance and oxidation. Check for an open-circuit. HINT: With the ignition on, the power supply to the accelerator pedal (AP) position sensor must be approximately 12 V measured between accelerator pedal (AP) position sensor terminals #1 (wiring side) and #3 (wiring side). Remedy as necessary. Other information: see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000) For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) . For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000) For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) . To access and replace the accelerator pedal (AP) position sensor, see «ACCELERATOR PEDAL (AP), REPLACING»(ref-476780-S18973143032012060500000) .
  1. Continue Refer to «CHECKING THE CONNECTORS AND CABLES»(ref-476771-S22785693232012060500000)

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