Engine Control Module (ECM) Diagnostic Trouble Codes - 4 of 13: Wiring Volvo XC90 I

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-476689-S17283010372012060500000)
2. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
5. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
6. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
7. To access or replace the fuel pressure sensor, see «FUEL PRESSURE SENSOR, REPLACEMENT»(ref-476695-S32874135222012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S40150145582012060500000)

Check the resistance of the heated oxygen sensor (HO2S) between terminals #3 and #4.

Check the signal cable between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A70 (#B10). Check the power supply between system relay terminal #5 and heated oxygen sensor (HO2S) terminal #3. Check for an open-circuit.

Remedy as necessary.

Other information

1. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
2. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
3. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
4. To access or replace the heated oxygen sensor (HO2S), see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000)
5. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
6. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

Scheme 156

1. Continue Refer to «VERIFICATION»(ref-476761-S37298578602012060500000)

Check the resistance of the heated oxygen sensor (HO2S) between terminals #3 and #4.

Check the signal cable between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A70 (#B10). Check for a short-circuit to supply voltage.

Remedy as necessary.

Other information

1. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
2. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
3. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
4. To access or replace the heated oxygen sensor (HO2S), see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000)
5. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
6. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

Scheme 157

1. Continue Refer to «VERIFICATION»(ref-476761-S18606033632012060500000)

Check the resistance of the heated oxygen sensor (HO2S) between terminals #3 and #4.

Check the signal cable between heated oxygen sensor (HO2S) terminal #4 and control module terminal #A70 (#B10). Check for a short-circuit to ground.

Remedy as necessary.

Other information

1. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
2. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
3. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
4. To access or replace the heated oxygen sensor (HO2S), see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000)
5. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
6. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S19272738552012060500000)

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-476689-S17283010372012060500000)
2. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
5. see «FUEL PUMP DRIVER MODULE»(ref-476695-S05835128252012060500000)

Scheme 158

1. Continue Refer to «VERIFICATION»(ref-476761-S21639267172012060500000)

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-476689-S17283010372012060500000)
2. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
5. see «FUEL PUMP DRIVER MODULE»(ref-476695-S14205863212012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S07487470972012060500000)

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-476689-S17283010372012060500000)
2. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
3. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
4. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
5. see «CONTROL MODULE FUEL PUMP (FP), REPLACING»(ref-476695-S09602766612012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S09962201992012060500000)

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-476689-S17283010372012060500000)
2. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
3. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
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. To access or replace the fuel pressure sensor, see «FUEL PRESSURE SENSOR, REPLACEMENT»(ref-476695-S32874135222012060500000) .

Scheme 159

1. Continue Refer to «VERIFICATION»(ref-476761-S30160642402012060500000)

Scheme 160

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-476691-S38062545372012060500000) For B5xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S23777230272012060500000) For B6xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000) . 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) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S40281770542012060500000)

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-476691-S38062545372012060500000)
2. For B5xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S23777230272012060500000)
3. For B6xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000) .
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. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S24842705642012060500000)

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-476691-S38062545372012060500000)
2. For B5xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S23777230272012060500000)
3. For B6xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000) .
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. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S01781539212012060500000)

CHECKING THE WIRING AND COMPONENT

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-476691-S38062545372012060500000) For B5xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S23777230272012060500000) For B6xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000) . 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) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S24597422302012060500000)

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-476689-S17283010372012060500000)
2. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
3. To connect the breakout box, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
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. To access or replace the fuel pressure sensor, see «FUEL PRESSURE SENSOR, REPLACEMENT»(ref-476695-S32874135222012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S00813544922012060500000)

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-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) . see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000) see «FUEL PRESSURE SENSOR, REPLACEMENT»(ref-476695-S32874135222012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17655503092012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S24075588192012060500000)

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 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
2. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
3. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
4. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
5. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
6. For B5xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S23777230272012060500000)
7. For B6xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000) .
8. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
9. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S28356569722012060500000)

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 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
2. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
3. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
4. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
5. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
6. For B5xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S23777230272012060500000)
7. For B6xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000) .
8. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
9. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S21260299742012060500000)

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 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
2. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
3. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
4. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
5. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
6. For B5xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S23777230272012060500000)
7. For B6xx4T, see «HEATED OXYGEN SENSOR (HO2S), REPLACING»(ref-476768-S05984728352012060500000) .
8. For resistance values, see «COMPONENT SPECIFICATIONS»(ref-476694-S25701556572012060500000)
9. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S17973312852012060500000)

Check the cable that relates to the diagnostic trouble code (DTC). Check for an open-circuit.

Check between

1. Engine control module (ECM) terminal #A16 (#A16) and injector terminal #2 (ECM-2C0B, injector 1)
2. Engine control module (ECM) terminal #A15 (#A15) and injector terminal #2 (ECM-2C1B, injector 2)
3. Engine control module (ECM) terminal #A33 (#A33) and injector terminal #2 (ECM-2C2B, injector 3)
4. Engine control module (ECM) terminal #A32 (#A32) and injector terminal #2 (ECM-2C3B, injector 4)
5. Engine control module (ECM) terminal #A34 (#A34) and injector terminal #2 (ECM-2C4B, injector 5)
6. Engine control module (ECM) terminal #A52 (#A52) and injector terminal #2 (ECM-2C5B, injector 6).

Remedy as necessary.

Other information

1. see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
2. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
3. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
4. For B5xx4T, see «INJECTOR/PULSE DAMPER, REPLACEMENT»(ref-476751-S12739566552012060500000)
5. For B6xx4T, see «INJECTOR / PULSATION DAMPER, REPLACING»(ref-476751-S42918859582012060500000) .
6. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

Scheme 161

1. Continue Refer to «VERIFICATION»(ref-476761-S26697171932012060500000)

Check the cable that relates to the diagnostic trouble code (DTC). Check for a short-circuit to supply voltage.

Check between

1. Engine control module (ECM) terminal #A16 (#A16) and injector terminal #2 (ECM-2C0C, injector 1)
2. Engine control module (ECM) terminal #A15 (#A15) and injector terminal #2 (ECM-2C1C, injector 2)
3. Engine control module (ECM) terminal #A33 (#A33) and injector terminal #2 (ECM-2C2C, injector 3)
4. Engine control module (ECM) terminal #A32 (#A32) and injector terminal #2 (ECM-2C3C, injector 4)
5. Engine control module (ECM) terminal #A34 (#A34) and injector terminal #2 (ECM-2C4C, injector 5)
6. Engine control module (ECM) terminal #A52 (#A52) and injector terminal #2 (ECM-2C5C, injector 6).

Remedy as necessary.

Other information

1. see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
2. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
3. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
4. For B5xx4T, see «INJECTOR/PULSE DAMPER, REPLACEMENT»(ref-476751-S12739566552012060500000)
5. For B6xx4T, see «INJECTOR / PULSATION DAMPER, REPLACING»(ref-476751-S42918859582012060500000) .
6. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S08226899752012060500000)

Check the cable that relates to the diagnostic trouble code (DTC). Check for a short-circuit to ground.

Check between

1. Engine control module (ECM) terminal #A16 (#A16) and injector terminal #2 (ECM-2C0D, injector 1)
2. Engine control module (ECM) terminal #A15 (#A15) and injector terminal #2 (ECM-2C1D, injector 2)
3. Engine control module (ECM) terminal #A33 (#A33) and injector terminal #2 (ECM-2C2D, injector 3)
4. Engine control module (ECM) terminal #A32 (#A32) and injector terminal #2 (ECM-2C3D, injector 4)
5. Engine control module (ECM) terminal #A34 (#A34) and injector terminal #2 (ECM-2C4D, injector 5)
6. Engine control module (ECM) terminal #A52 (#A52) and injector terminal #2 (ECM-2C4D, injector 6).

Remedy as necessary.

Other information

1. see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
2. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
3. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .
4. For B5xx4T, see «INJECTOR/PULSE DAMPER, REPLACEMENT»(ref-476751-S12739566552012060500000)
5. For B6xx4T, see «INJECTOR / PULSATION DAMPER, REPLACING»(ref-476751-S42918859582012060500000) .
6. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S13438593582012060500000)

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-476689-S17283010372012060500000) To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000) For the location of components in the engine compartment, see «LOCATION OF COMPONENTS, ENGINE COMPARTMENT»(ref-476766-S14590560332012060500000) 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-476761-S37022372092012060500000)

CHECKING THE WIRING

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-476691-S38062545372012060500000) For the location of components in the engine compartment, see «LOCATION OF COMPONENTS, ENGINE COMPARTMENT»(ref-476766-S14590560332012060500000) 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) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S04691781952012060500000)

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-476691-S38062545372012060500000) For the location of components in the engine compartment, see «LOCATION OF COMPONENTS, ENGINE COMPARTMENT»(ref-476766-S14590560332012060500000) 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) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S39190746142012060500000)

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-476691-S38062545372012060500000) For the location of components in the engine compartment, see «LOCATION OF COMPONENTS, ENGINE COMPARTMENT»(ref-476766-S14590560332012060500000) 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) . see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S30491793552012060500000)

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-476691-S38062545372012060500000)
2. To access or replace the knock sensor (KS), see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
5. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

Scheme 162

1. Continue Refer to «VERIFICATION»(ref-476761-S10765491272012060500000)

CHECKING WIRING AND CONNECTORS

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-476691-S38062545372012060500000)
2. To access or replace the knock sensor (KS), see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
5. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «CHECKING THE KNOCK SENSOR (KS) SIGNAL»(ref-476761-S10226730512012060500000)

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-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. To access or replace the knock sensor (KS), see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
5. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S14329476992012060500000)

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-476691-S38062545372012060500000)
2. To access or replace the knock sensor (KS), see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .
5. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «CHECKING THE KNOCK SENSOR (KS) SIGNAL»(ref-476761-S38135460402012060500000)

CHECKING WIRING AND COMPONENTS

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-476691-S38062545372012060500000) .
2. To access/replace the ignition coil, see «REPLACING IGNITION COILS»(ref-476695-S16117054422012060500000) .
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S29067581982012060500000)

Check signal cable between ignition coil #1 and control module

1. #A31 (#A31) (ECM 3300)
2. #A50 (#A50) (ECM 3310)
3. #A52 (#52) (ECM 3320)
4. #A49 (#49) (ECM 3330)
5. #A30 (#30) (ECM 3340)
6. #A51 (#A51) (ECM 3350)

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-476691-S38062545372012060500000) .
2. To access/replace the ignition coil, see «REPLACING IGNITION COIL»(ref-476695-S09217829992012060500000) .
3. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
4. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S01139821672012060500000)

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-476691-S38062545372012060500000) .
2. To access/replace the ignition coil, see «REPLACING IGNITION COILS»(ref-476695-S16117054422012060500000) .
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S08606361392012060500000)

Check signal cable between ignition coil #1 and control module

1. #A31 (#A31) (ECM 3300)
2. #A50 (#A50) (ECM 3310)
3. #A52 (#A52) (ECM 3320)
4. #A49 (#A49) (ECM 3330)
5. #A30 (#A30) (ECM 3340)
6. #A51 (#A51) (ECM 3350)

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-476691-S38062545372012060500000) .
2. To access/replace the ignition coil, see «REPLACING IGNITION COIL»(ref-476695-S09217829992012060500000) .
3. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
4. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S24929671442012060500000)

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-476691-S38062545372012060500000) .
2. To access/replace the ignition coil, see «REPLACING IGNITION COILS»(ref-476695-S16117054422012060500000) .
3. For 5 cylinder turbocharged engines -2004, see «SIGNAL DESCRIPTION»(ref-476694-S26303328522012060500000)
4. For 5 cylinder turbocharged engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S29505181092012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S36234041952012060500000)

Check signal cable between ignition coil #1 and control module

1. #A31 (#A31) (ECM 3300)
2. #A50 (#A50) (ECM 3310)
3. #A52 (#A52) (ECM 3320)
4. #A49 (#A49) (ECM 3330)
5. #A30 (#A30) (ECM 3340)
6. #A51 (#A51) (ECM 3350)

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-476691-S38062545372012060500000) .
2. To access/replace the ignition coil, see «REPLACING IGNITION COIL»(ref-476695-S09217829992012060500000) .
3. For 6 cylinder engines -2004, see «SIGNAL SPECIFICATION»(ref-476694-S39196199822012060500000)
4. For 6 cylinder engines 2005-, see «SIGNAL SPECIFICATION»(ref-476694-S31890965202012060500000) .

1. Continue Refer to «VERIFICATION»(ref-476761-S27169905412012060500000)

1. Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation. Check the signal cable between engine control module (ECM) terminal #A47 (#A47) 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 engine control module (ECM) terminal #A65 (#B5) and camshaft position (CMP) sensor connector terminal #2. Check for an open-circuit. Check the power cable between engine control module (ECM) terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for a short-circuit to ground. 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) . see «POSITION SENSOR CAMSHAFT, REPLACING»(ref-476695-S17892144042012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S41767986102012060500000)

Check the signal cable between engine control module (ECM) terminal #A47 (#A47) and camshaft position (CMP) sensor connector terminal #3. Check for a short-circuit to ground.

Check the power cable between engine control module (ECM) 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

1. 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. see «POSITION SENSOR CAMSHAFT, REPLACING»(ref-476695-S17892144042012060500000)
5. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S25234203052012060500000)

1. Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation. Check that the camshaft position (CMP) sensor is correctly installed. Check that neither the camshaft position (CMP) sensor nor the housing is damaged. Damage may affect the position of the sensor in relation to the camshaft rotor. HINT: This diagnostic trouble code (DTC) may be caused by a faulty camshaft position (CMP) sensor. 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) . see «POSITION SENSOR CAMSHAFT, REPLACING»(ref-476695-S17892144042012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S20700676392012060500000)

Check the signal cable between knock sensor (KS) terminal #1 and control module #A46 (#A46). Check the ground lead between knock sensor (KS) terminal #2 and control module terminal #A64 (#B4). Check for an intermittent 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.

Other information

1. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
2. For B5xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
3. For B6xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S18507826772012060500000) .
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. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «INFORMATION»(ref-476761-S11590293692012060500000)

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

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 intermittent open-circuit. Check for an intermittent short-circuit to ground.

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

Other information

1. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
2. For B5xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
3. For B6xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S18507826772012060500000) .
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. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «INFORMATION»(ref-476761-S41490248182012060500000)

1. Check the connector for the camshaft position (CMP) sensor. Check for contact resistance and oxidation. Check the signal cable between engine control module (ECM) 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 engine control module (ECM) terminal #A65 (#B5) and camshaft position (CMP) sensor connector terminal #2. Check for an open-circuit. Check the power cable between engine control module (ECM) terminal #A29 (#A29) and camshaft position (CMP) sensor connector terminal #1. Check for a short-circuit to ground. 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) . see «POSITION SENSOR CAMSHAFT, REPLACING»(ref-476695-S17892144042012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S37425873652012060500000)

Check the signal cable between engine control module (ECM) terminal #A46 (#A46) and camshaft position (CMP) sensor connector terminal #3. Check for a short-circuit to ground.

Check the power cable between engine control module (ECM) 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

1. 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. see «POSITION SENSOR CAMSHAFT, REPLACING»(ref-476695-S17892144042012060500000)
5. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S26863114332012060500000)

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 intermittent 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.

Other information

1. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
2. For B5xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
3. For B6xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S18507826772012060500000) .
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. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «INFORMATION»(ref-476761-S18986916332012060500000)

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

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 intermittent open-circuit. Check for an intermittent short-circuit to ground.

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

Other information

1. To connect the breakout box / access the control module, see «CONNECTING THE BREAKOUT BOX»(ref-476691-S38062545372012060500000)
2. For B5xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S34358848672012060500000)
3. For B6xx4T, see «KNOCK SENSOR (KS), REPLACING»(ref-476695-S18507826772012060500000) .
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. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000) .

1. Continue Refer to «INFORMATION»(ref-476761-S30449895672012060500000)

1. Check the connector for the ignition coil. Check for contact resistance. Check for oxidation. Check the cable that relates to the diagnostic trouble code (DTC). Check for an open-circuit. Check between: Engine control module (ECM) #A50 (#A50) and ignition coil pin #2 (ECM-350B: ignition coil A, cylinder 1). Engine control module (ECM) #A31 (#A31) and ignition coil pin #2 (ECM-351B: ignition coil B, cylinder 2). Engine control module (ECM) #A51 (#A51) and ignition coil pin #2 (ECM-352B: ignition coil E, cylinder 3). Engine control module (ECM) #A30 (#A30) and ignition coil pin #2 (ECM-353B: ignition coil C, cylinder 4). Engine control module (ECM) #A52 (#A52) and ignition coil pin #2 (ECM-354B: ignition coil D, cylinder 5). 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) . see «REPLACING IGNITION COILS»(ref-476695-S16117054422012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S39188857932012060500000)

Check the cable that relates to the diagnostic trouble code (DTC). Check for a short-circuit to supply voltage.

Check between

1. Engine control module (ECM) #A50 (#A50) and ignition coil pin #2 (ECM-350C: ignition coil A, cylinder 1).
2. Engine control module (ECM) #A31 (#A31) and ignition coil pin #2 (ECM-351C: ignition coil B, cylinder 2).
3. Engine control module (ECM) #A51 (#A51) and ignition coil pin #2 (ECM-352C: ignition coil E, cylinder 3).
4. Engine control module (ECM) #A30 (#A30) and ignition coil pin #2 (ECM-353C: ignition coil C, cylinder 4).
5. Engine control module (ECM) #A52 (#A52) and ignition coil pin #2 (ECM-354C: ignition coil D, cylinder 5).

Remedy as necessary.

Other information

1. 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. see «REPLACING IGNITION COILS»(ref-476695-S16117054422012060500000)
5. see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S35737298842012060500000)

1. Check the connector for the ignition coil. Check for contact resistance. Check for oxidation. Check the cable that relates to the diagnostic trouble code (DTC). Check for a short-circuit to ground. Check between: Engine control module (ECM) #A50 (#A50) and ignition coil pin #2 (ECM-350D: ignition coil A, cylinder 1). Engine control module (ECM) #A31 (#A31) and ignition coil pin #2 (ECM-351D: ignition coil B, cylinder 2). Engine control module (ECM) #A51 (#A51) and ignition coil pin #2 (ECM-352D: ignition coil E, cylinder 3). Engine control module (ECM) #A30 (#A30) and ignition coil pin #2 (ECM-353D: ignition coil C, cylinder 4). Engine control module (ECM) #A52 (#A52) and ignition coil pin #2 (ECM-354D: ignition coil D, cylinder 5). 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) . see «REPLACING IGNITION COILS»(ref-476695-S16117054422012060500000) see «CHECKING WIRING AND TERMINALS»(ref-476689-S17283010372012060500000)

1. Continue Refer to «VERIFICATION»(ref-476761-S22959169402012060500000)