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Engine Control Module (ECM) Diagnostic Trouble Codes (Xc) - 3 of 9: Wiring Volvo V70 II

Testing & Diagnostics 9 illustrations ~7241 words

Checking components and wiring

Check the fuel pressure sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Try a new fuel pressure sensor if no fault is found during the above fault-tracing.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. To access or replace the fuel pressure sensor, see «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S10360473452011101900000)

Check the fuel pressure sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Try a new fuel pressure sensor if no fault is found during the above fault-tracing.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. To access or replace the fuel pressure sensor, see «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) .
  1. Continue See «Verification»(ref-430976-S20161870092011101900000)

Check the fuel pressure sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Try a new fuel pressure sensor if no fault is found during the above fault-tracing.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. To access or replace the fuel pressure sensor, see «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S26824933212011101900000)

Check the fuel pressure sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Try a new fuel pressure sensor if no fault is found during the above fault-tracing.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. To access or replace the fuel pressure sensor, see «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S32087356542011101900000)

Check the fuel pressure sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Try a new fuel pressure sensor if no fault is found during the above fault-tracing.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. To access or replace the fuel pressure sensor, see «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S24823164882011101900000)

Check the pump control module connector. Check for contact resistance and oxidation.

Check the cable between Engine Control Module (ECM) terminal #B47 (#B57) and pump control module terminal #1. Check for an open circuit, short circuit to ground and supply voltage.

Remedy as necessary.

HINT: The diagnostic trouble code (DTC) may be caused by a defective pump control module.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Control module fuel pump (FP), replacing»(ref-430961-S00735761252011101900000)

Scheme 584

Scheme 584
Scheme 584
  1. Continue Refer to «Verification»(ref-430976-S31643167082011101900000)

Check the pump control module connector. Check for contact resistance and oxidation.

Check the cable between Engine Control Module (ECM) terminal #B47 (#B57) and pump control module terminal #1. Check for an open circuit, short circuit to ground and supply voltage.

Remedy as necessary.

HINT: The diagnostic trouble code (DTC) may be caused by a defective pump control module.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Control module fuel pump (FP), replacing»(ref-430961-S33129299252011101900000)
  1. Continue Refer to «Verification»(ref-430976-S41022260502011101900000)

HINT: The fuel temperature sensor is integrated in the fuel pressure sensor.

Check the fuel pressure sensor connectors. Check for contact resistance and oxidation.

Check the fuel pressure sensor resistance. Take readings between terminals #1 and #2.

Check the signal cable between control module terminal #A3 (#A3) and fuel pressure sensor terminal #2. Check for a short-circuit to supply voltage. Check for an open-circuit.

Check the ground lead between control module terminal #A60 (#A60) and fuel pressure sensor terminal #1. Check for an open-circuit.

Remedy as necessary.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000)
  3. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  4. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  5. To access or replace the fuel pressure sensor, see «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) .

Scheme 585

Scheme 585
Scheme 585
  1. Continue Refer to «Verification»(ref-430976-S05694189012011101900000)
CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Scheme 586

Scheme 586
Scheme 586

Scheme 587

Scheme 587
Scheme 587

Scheme 588

Scheme 588
Scheme 588
  1. Ignition off. Check the signal cable (+) for the heated oxygen sensor (HO2S) between control module terminal #A61 and preheating cable terminal #A6. Check for a short-circuit to each other. Check the signal cable (-) for the heated oxygen sensor (HO2S) between control module terminal #A62 and preheating cable terminal #A6. Check for a short-circuit to each other. Try a new heated oxygen sensor (HO2S) if the wiring is OK. Remedy as necessary. Other information: To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) . For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000) . For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) . See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S23223334372011101900000)

Checking the wiring

CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for an intermittent short-circuit to ground.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Information»(ref-430976-S42488360292011101900000)
CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for a short-circuit to ground.

Try a new heated oxygen sensor (HO2S) if the wiring is OK.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S36639621452011101900000)

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for an open-circuit.

Try a new heated oxygen sensor (HO2S) if the wiring is OK.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S11597402212011101900000)

Checking wiring and connectors

CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Check the heated oxygen sensor (HO2S) connector. Check for contact resistance and oxidation. Check for loose connections.

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for an intermittent open-circuit.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Information»(ref-430976-S21886254002011101900000)

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for an open-circuit.

Try a new heated oxygen sensor (HO2S) if the wiring is OK.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S13906725322011101900000)
CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for a short-circuit to supply voltage.

HINT: Use a test lamp with at least a 3 W bulb to determine whether the cable is short-circuited to supply voltage.

Try a new heated oxygen sensor (HO2S) if the wiring is OK.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .

Scheme 589

Scheme 589
Scheme 589
  1. Continue Refer to «Verification»(ref-430976-S31436614062011101900000)
CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for an intermittent short-circuit to supply voltage.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Information»(ref-430976-S31259561542011101900000)
CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.

Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for a short-circuit to supply voltage.

HINT: Use a test lamp with at least a 3 W bulb to determine whether the cable is short-circuited to supply voltage.

Try a new heated oxygen sensor (HO2S) if the wiring is OK.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S02763116142011101900000)

Checking the wiring and component

CAUTIONDo not apply rust solvent spray or grease to the heated oxygen sensor (HO2S) connector.
  1. Ignition off. Check the signal cable (+) between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A61 (#B1). Check the signal cable (-) between heated oxygen sensor (HO2S) terminal #3 and control module terminal #A62 (#B2). Check for a short-circuit to ground. Try a new heated oxygen sensor (HO2S) if the wiring is OK. Remedy as necessary. Other information: To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) . For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) . See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S18941777922011101900000)

HINT: The fuel temperature sensor is integrated in the fuel pressure sensor.

Check the fuel pressure sensor resistance. Take readings between terminals #1 and #2.

Check the signal cable between control module terminal #A3 (#A3) and fuel pressure sensor terminal #2. Check for a short-circuit to ground.

Remedy as necessary.

Other information

  1. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)
  2. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000)
  3. To connect the breakout box, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  4. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  5. To access or replace the fuel pressure sensor, see «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S00319320122011101900000)

Checking the component and wiring

  1. Ignition off.
  2. Disconnect the fuel temperature sensor connector.
  3. Check the connectors. Check for loose connections. Check for contact resistance. Check for oxidation. Check the resistance of the sensor between #1 and #2 (to the sensor). Remedy as necessary. NOTE: Verifying is started with cold engine (+20 °C). Other information See «Connecting the breakout box»(ref-430911-S30587875092011101900000) For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) . See «Resistance values»(ref-430976-S41571529982012010500000) See «Fuel pressure sensor, replacement»(ref-430961-S22891665062011101900000) See «Checking wiring and terminals»(ref-430909-S05889726072011101900000)
  1. Continue Refer to «Verification»(ref-430976-S31504018622011101900000)

Check the resistance of the heated oxygen sensor (HO2S) between terminals #1 and #2.

Check the signal cable between heated oxygen sensor (HO2S) terminal #2 and control module terminal #A6 (#A6). Check the power supply between system relay terminal #3 and heated oxygen sensor (HO2S) terminal #1. Check for an open-circuit.

Remedy as necessary.

Other information

  1. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  2. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  4. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000)
  5. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S29040111032011101900000)

Check the resistance of the heated oxygen sensor (HO2S) between terminals #1 and #2.

Check the signal cable between heated oxygen sensor (HO2S) terminal #2 and control module terminal #A6 (#A6). Check for a short-circuit to supply voltage.

Remedy as necessary.

Other information

  1. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  2. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  4. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000)
  5. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S27364415232011101900000)

Check the resistance of the heated oxygen sensor (HO2S) between terminals #1 and #2.

Check the signal cable between heated oxygen sensor (HO2S) terminal #2 and control module terminal #A6 (#A6). Check for a short-circuit to ground.

Remedy as necessary.

Other information

  1. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  2. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  3. To access or replace the heated oxygen sensor (HO2S): For B5xx4T -2004, see «Heated oxygen sensors (HO2S), replacing»(ref-430985-S33960067052011101900000) For B5xx4T 2005-, see «Heated oxygen sensor (HO2S), replacing»(ref-430985-S28241031382011101900000) .
  4. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000)
  5. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S04833921702011101900000)

Checking wiring and components

Check heated oxygen sensor (HO2S) resistance between #1 and #2.

Check signal cable between heated oxygen sensor (HO2S) #2 and control module #A35 (#A35) and power supply between system relay #3 and heated oxygen sensor (HO2S) #1 for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Other information

  1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) .
  2. To access/replace the heated oxygen sensor (HO2S) for 5 cylinder engines, see «Replacing lambda probes»(ref-430976-S18078338602012010500000) .
  3. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000) .
  4. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S29332194342011101900000)

Check heated oxygen sensor (HO2S) resistance between #1 and #2.

Check signal cable between heated oxygen sensor (HO2S) #2 and control module #A35 (#A35) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

HINT: Use a test lamp with at least a 3 W bulb to determine whether the cable is short-circuited to supply voltage.

Remedy as necessary.

Other information

  1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) .
  2. To access/replace the heated oxygen sensor (HO2S) for 5 cylinder engines, see «Replacing lambda probes»(ref-430976-S18078338602012010500000) .
  3. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000) .
  4. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S18508193102011101900000)

Check heated oxygen sensor (HO2S) resistance between #1 and #2.

Check signal cable between heated oxygen sensor (HO2S) #2 and engine control module (ECM) #A35 (#A35) for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information

  1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) .
  2. To access/replace the heated oxygen sensor (HO2S) for 5 cylinder engines, see «Replacing lambda probes»(ref-430976-S18078338602012010500000) .
  3. For resistance values, see «Resistance values»(ref-430976-S41571529982012010500000) .
  4. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S33268875342011101900000)

Checking connectors and wiring

  1. Ignition off. Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation. Check for loose connections. Check for damage carefully. Check the signal cable between control module terminal #A47 (#A47) and camshaft position (CMP) sensor connector terminal #3. Check for an open-circuit. Check for a short-circuit to supply voltage. HINT: Use a test lamp with at least a 3 W bulb to determine whether the cable is short-circuited to supply voltage. Check the ground lead between control module terminal #A65 (#A65) and camshaft position (CMP) sensor connector terminal #2. Check for an open-circuit. Check the power cable between control module terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for a short-circuit to ground. Try a new camshaft position (CMP) sensor if no fault is found during the above fault-tracing. Remedy as necessary. Other information See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) For the location of components on 5 cylinder engines: For 5 cylinder turbocharged engines -2001, see «Location of components»(ref-430982-S15631897472011101900000) For 5 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-430982-S26522438492011101900000) For 5 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-430982-S36428841102011101900000) For B5254T4 2004-, see «Location of components, engine compartment»(ref-430982-S37883263132011101900000) . For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S01628153112011101900000)
  1. Ignition off. Check the signal cable between control module terminal #A47 (#A47) and camshaft position (CMP) sensor connector terminal #3. Check for a short-circuit to ground. Check the power cable between control module terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for an open-circuit. HINT: With the ignition on and the camshaft position (CMP) sensor connector disconnected, the voltage between terminal #1 and ground terminal should be approximately 5 V. Remedy as necessary. Other information To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) For the location of components on 5 cylinder engines: For 5 cylinder turbocharged engines -2001, see «Location of components»(ref-430982-S15631897472011101900000) For 5 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-430982-S26522438492011101900000) For 5 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-430982-S36428841102011101900000) For B5254T4 2004-, see «Location of components, engine compartment»(ref-430982-S37883263132011101900000) . For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) . See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S08647501352011101900000)

Check the signal cable between control module terminal #A27 (#A27) and camshaft position (CMP) sensor connector terminal #2. Check for an open-circuit. Check for a short-circuit to ground.

Check the ground lead between control module terminal #A65 (#A65) and camshaft position (CMP) sensor connector terminal #3. Check for an open-circuit.

Check the power cable between control module terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for an open-circuit.

Try a new camshaft position (CMP) sensor if no fault is found during the above fault-tracing.

Other information

  1. To connect the breakout box and access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. For the location of components on 5 cylinder engines: For 5 cylinder turbocharged engines -2001, see «Location of components»(ref-430982-S15631897472011101900000) For 5 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-430982-S26522438492011101900000) For 5 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-430982-S36428841102011101900000) For B5254T4 2004-, see «Location of components, engine compartment»(ref-430982-S37883263132011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S31082598082011101900000)
  1. Ignition off
  2. Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation. Check for loose connections. Check for damage carefully. Check the signal cable between control module terminal #A27 (#A27) and camshaft position (CMP) sensor connector terminal #3. Check for an open-circuit. Check for a short-circuit to supply voltage. Check the ground lead between control module terminal #A65 (#A65) and camshaft position (CMP) sensor connector terminal #2. Check for an open-circuit. Check the power cable between control module terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for a short-circuit to ground. Try a new camshaft position (CMP) sensor if no fault is found during the above fault-tracing. Other information: To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) For the location of components on 5 cylinder engines: For 5 cylinder turbocharged engines -2001, see «Location of components»(ref-430982-S15631897472011101900000) For 5 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-430982-S26522438492011101900000) For 5 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-430982-S36428841102011101900000) For B5254T4 2004-, see «Location of components, engine compartment»(ref-430982-S37883263132011101900000) . For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) . See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S41350173422011101900000)

Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation.

Check the signal cable between control module terminal #A27 (#A27) and camshaft position (CMP) sensor connector terminal #2. Check for an open-circuit. Check for a short-circuit to ground.

Check the power cable between control module terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for an open-circuit.

Try a new camshaft position (CMP) sensor if no fault is found during the above fault-tracing.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. For the location of components on 5 cylinder engines: For 5 cylinder turbocharged engines -2001, see «Location of components»(ref-430982-S15631897472011101900000) For 5 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-430982-S26522438492011101900000) For 5 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-430982-S36428841102011101900000) For B5254T4 2004-, see «Location of components, engine compartment»(ref-430982-S37883263132011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S04577072422011101900000)
  1. Ignition off. Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation. Check the signal cable between control module terminal #A27 (#A27) and camshaft position (CMP) sensor connector terminal #3. Check for an open-circuit. Check for a short-circuit to ground. Check the power cable between control module terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for an open-circuit. Try a new camshaft position (CMP) sensor if no fault is found during the above fault-tracing. Other information: To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) For the location of components on 5 cylinder engines: For 5 cylinder turbocharged engines -2001, see «Location of components»(ref-430982-S15631897472011101900000) For 5 cylinder turbocharged engines 2002, see «Location of components, engine compartment»(ref-430982-S26522438492011101900000) For 5 cylinder turbocharged engines 2003-, see «Location of components, engine compartment»(ref-430982-S36428841102011101900000) For B5254T4 2004-, see «Location of components, engine compartment»(ref-430982-S37883263132011101900000) . For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) . See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S24853152532011101900000)

Check the signal cable between knock sensor (KS) terminal #1 and control module terminal #A46 (#A46). Check the ground lead between knock sensor (KS) terminal #2 and control module terminal #A64 (#B4). Check for a short-circuit to supply voltage.

Check that the knock sensor (KS) is tightened to the correct torque.

HINT: The diagnostic trouble code (DTC) may be caused by a worn engine. Start the engine and listen for noise.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the knock sensor (KS), see «Knock sensor (KS), replacing»(ref-451849-S41099776502012020900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000)

Scheme 590

Scheme 590
Scheme 590
  1. Continue Refer to «Verification»(ref-430976-S36324041862011101900000)

Check the knock sensor (KS) connector. Check for contact resistance and oxidation.

Check the signal cable between knock sensor (KS) terminal #1 and control module terminal #A46 (#A46). Check the ground lead between knock sensor (KS) terminal #2 and control module terminal #A64 (#B4). Check for an open-circuit. Check for a short-circuit to ground.

Check that the knock sensor (KS) is tightened to the correct torque.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the knock sensor (KS), see «Knock sensor (KS), replacing»(ref-451849-S41099776502012020900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Checking the knock sensor (KS) signal»(ref-430976-S18137453812011101900000)

Check the signal cable between knock sensor (KS) terminal #3 and control module terminal #A45 (#A45). Check the ground lead between knock sensor (KS) terminal #4 and control module #A67 (#B7). Check for a short-circuit to supply voltage.

Check that the knock sensor (KS) is tightened to the correct torque.

HINT: The diagnostic trouble code (DTC) may be caused by a worn engine. Start the engine and listen for noise.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  3. To access or replace the knock sensor (KS), see «Knock sensor (KS), replacing»(ref-451849-S41099776502012020900000)
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S08839956552011101900000)

Check the knock sensor (KS) connector. Check for contact resistance and oxidation.

Check the signal cable between knock sensor (KS) terminal #3 and control module terminal #A45 (#A45). Check the ground lead between knock sensor (KS) terminal #4 and control module terminal #A67 (#B7). Check for an open-circuit. Check for a short-circuit to ground.

Check that the knock sensor (KS) is tightened to the correct torque.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the knock sensor (KS), see «Knock sensor (KS), replacing»(ref-451849-S41099776502012020900000)
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Checking the knock sensor (KS) signal»(ref-430976-S26644942312011101900000)

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

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.

Check the carrier plate, search for damage and other defects.

Remedy as necessary

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the engine speed (RPM) sensor: For B5xx4T -2001, see «Replacing the engine speed (RPM) sensor»(ref-430961-S04288859222011101900000) For B5xx4T 2002-, does not apply to B5244T5, see «Replacing the engine speed (RPM) sensor»(ref-430961-S41057985512011101900000) For B5244T5 2005-, see «Engine speed (RPM) sensor, replacing»(ref-430976-S20515572802012010500000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .

Scheme 591

Scheme 591
Scheme 591

Scheme 592

Scheme 592
Scheme 592
  1. Continue Refer to «Information»(ref-430976-S42632075272011101900000)

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

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

Check the carrier plate, search for damage and other defects.

Remedy as necessary.

Other information

  1. To connect the breakout box / access the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000)
  2. To access or replace the engine speed (RPM) sensor: For B5xx4T -2001, see «Replacing the engine speed (RPM) sensor»(ref-430961-S04288859222011101900000) For B5xx4T 2002-, does not apply to B5244T5, see «Replacing the engine speed (RPM) sensor»(ref-430961-S41057985512011101900000) For B5244T5 2005-, see «Engine speed (RPM) sensor, replacing»(ref-430976-S20515572802012010500000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  4. See «Checking wiring and terminals»(ref-430909-S26456997912011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S15931923932011101900000)

Check signal cable between ignition coil #1 and control module

  1. #A31 (#A31) (ECM 3300)
  2. #A30 (#A30) (ECM 3310)
  3. #A50 (#A50) (ECM 3320)
  4. #A52 (#A52) (ECM 3330)
  5. #A51 (#A51) (ECM 3340)

and the power supply between system relay #3 and ignition coil #4 for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Other information

  1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) .
  2. To access/replace the ignition coil, see «Replacing ignition coils»(ref-430961-S36497272962011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S25145364212011101900000)

Check signal cable between ignition coil #1 and control module

  1. #A31 (#A31) (ECM 3300)
  2. #A30 (#A30) (ECM 3310)
  3. #A50 (#A50) (ECM 3320)
  4. #A52 (#A52) (ECM 3330)
  5. #A51 (#A51) (ECM 3340)

and power supply between system relay #3 and ignition coil #4 for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

HINT: Use an electrician's screwdriver with at least a 3 W bulb to determine whether the cable is short-circuited to supply voltage.

Remedy as necessary.

Other information

  1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) .
  2. To access/replace the ignition coil, see «Replacing ignition coils»(ref-430961-S36497272962011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S00798922582011101900000)

Check signal cable between ignition coil #1 and control module

  1. #A31 (#A31) (ECM 3300)
  2. #A30 (#A30) (ECM 3310)
  3. #A50 (#A50) (ECM 3320)
  4. #A52 (#A52) (ECM 3330)
  5. #A51 (#A51) (ECM 3340)

for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information

  1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-430911-S30587875092011101900000) .
  2. To access/replace the ignition coil, see «Replacing ignition coils»(ref-430961-S36497272962011101900000) .
  3. For information about signals: For 5 cylinder turbocharged engines -2001, see «Signal specification»(ref-430975-S34273110602011101900000) For 5 cylinder turbocharged engines 2002, see «Signal specification»(ref-430975-S11230688812011101900000) For B5254T2 -2004, see «Signal description»(ref-430975-S13000059482011101900000) For B5204T5, B5234T3, B5234T7 and B5244T3 -2004, see «Signal specification (B5204T5, B5234T3, B5234T7 and B5244T3 -2004)»(ref-430976-S05290639432012010500000) For B5254T4 2004, see «Signal specification (B5254T4 2004)»(ref-430976-S21905593932012010500000) For 5 cylinder turbocharged engines 2005-, see «Signal specification»(ref-430975-S24350024032011101900000) .
  1. Continue Refer to «Verification»(ref-430976-S25575000062011101900000)

More articles — Engine Control Module (ECM) Diagnostic Trouble Codes (Xc) - 3 of 9