Engine Performance Diagnostic Trouble Code (DTC) Diagnostics - 5 of 7 (Coupe): Wiring Volvo C70 I

Checking wiring and components

Check canister purge (CP) valve resistance.

Check signal cable between control module #A9 (#A9) and canister purge (CP) valve terminal 2 and power supply between system relay terminal 3 and canister purge (CP) valve terminal 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-408435-S12899753102011071200000) .
2. To access/replace the canister purge (CP) valve, see «Replacing the canister purge (CP) valve»(ref-408434-S03062196182011071200000) .
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S13991573272011071200000)

Check canister purge (CP) valve resistance.

Check signal cable between control module #A9 (#A9) and canister purge (CP) valve terminal 2 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-408435-S12899753102011071200000) .
2. To access/replace the canister purge (CP) valve, see «Replacing the canister purge (CP) valve»(ref-408434-S03062196182011071200000) .
3. For resistance values, see «Component specifications»(ref-408451-S01696444632011071200000) .
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S11615766882011071200000)

Check canister purge (CP) valve resistance.

Check signal cable between control module #A9 (#A9) and canister purge (CP) valve terminal 2 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-408435-S12899753102011071200000) .
2. To access/replace the canister purge (CP) valve, see «Replacing the canister purge (CP) valve»(ref-408434-S03062196182011071200000) .
3. For resistance values, see «Component specifications»(ref-438955-S33969082952011120700000) .
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S25831758232011071200000)

Checking wiring and terminals

Check that the fuel tank filler cap is correctly secured. Check that seal of the filler cap is intact.

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

Remedy as necessary.

Carry out a quick test of the fuel tank system.

1. Continue Refer to «General information about testing the fuel tank system»(ref-408511-S15166436412011071200000)

Check EVAP canister shut-off valve resistance.

Check signal cable between control module #B40 (#B50) and EVAP canister shut-off valve terminal 2 and power supply between system relay terminal 3 and EVAP canister shut-off valve terminal 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-408435-S12899753102011071200000) .
2. To access/replace the EVAP canister shut-off valve see «Replacing EVAP canister shut-off valve»(ref-438954-S09011749992011120700000) .
3. For resistance values, see «Component specifications»(ref-408451-S01696444632011071200000) .
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S36417945102011071200000)

Check EVAP canister shut-off valve resistance.

Check signal cable between control module #B40 (#B50) and EVAP canister shut-off valve terminal 2 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-408435-S12899753102011071200000) .
2. To access/replace the EVAP canister shut-off valve see «Replacing EVAP canister shut-off valve»(ref-438954-S09011749992011120700000) .
3. For resistance values, see «Component specifications»(ref-408451-S01696444632011071200000) .
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S36553518612011071200000)

Check EVAP canister shut-off valve resistance.

Check signal cable between control module #B40 (#B50) and EVAP canister shut-off valve terminal 2 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-408435-S12899753102011071200000) .
2. To access/replace the EVAP canister shut-off valve see «Replacing EVAP canister shut-off valve»(ref-438954-S09011749992011120700000) .
3. For resistance values, see «Component specifications»(ref-408451-S01696444632011071200000) .
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S29417670792011071200000)

Checking the wiring

Check the signal cable between control module terminal B31 (#B41) and fuel tank pressure sensor connector terminal 2 for an open-circuit according to Open-circuit, permanent faults .

Check the signal cable between control module terminal B31 (#B41) and fuel tank pressure sensor connector terminal 2 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Check the power cable between control module terminal B10 (#B20) and fuel tank pressure sensor connector terminal 3 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

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

Other information

1. Connecting the breakout box / accessing the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S18906562942011071200000)

Check the signal cable between control module terminal B31 (#B41) and fuel tank pressure sensor connector terminal 2 for an open-circuit according to Open-circuit, permanent faults .

Check the signal cable between control module terminal B31 (#B41) and fuel tank pressure sensor connector terminal 2 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Check the power cable between control module terminal B10 (#B20) and fuel tank pressure sensor connector terminal 3 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

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

Other information

1. Connecting the breakout box / accessing the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S22271690472011071200000)

Checking component and wiring

Check if there is any refrigerant in the air conditioning (A/C).

HINT: If there is refrigerant in the A/C system there is probably a fault in the A/C pressure sensor.

Check air conditioning (A/C) system for damage and leakage.

Remedy as necessary.

Other information

1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. Air conditioning (A/C) pressure sensor #2 is the signal cable, #3 is the power supply (5 V) and #1 is the signal ground.
3. For resistance values, see «Component specifications»(ref-408451-S01696444632011071200000) .
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

Scheme 965

1. Continue Refer to «Verification»(ref-408511-S34616651822011071200000)

Check signal cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) pressure sensor #2 for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults

Check power supply cable between engine control module (ECM) #A39 (#A39) and air conditioning (A/C) pressure sensor #3 for an intermittent open-circuit according to Open-circuit, intermittent faults

Check power supply cable between engine control module (ECM) #A60 (#A60) and air conditioning (A/C) pressure sensor #1 for an intermittent open-circuit according to Open-circuit, intermittent faults

Remedy as necessary

Other information

1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. Air conditioning (A/C) pressure sensor #2 is the signal cable, #3 is the power supply (5V) and #1 is the signal ground.
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S29500865662011071200000)

Check signal cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) pressure sensor #2 for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

Check power supply cable between engine control module (ECM) #A39 (#A39) and air conditioning (A/C) pressure sensor #3 for an open-circuit according to Open-circuit, permanent faults .

Check power supply cable between engine control module (ECM) #A60 (#A60) and air conditioning (A/C) pressure sensor #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-408435-S12899753102011071200000) .
2. Air conditioning (A/C) pressure sensor #2 is the signal cable, #3 is the power supply (5 V) and #1 is the signal ground.
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S21570301282011071200000)

Check air conditioning (A/C) pressure sensor connector for intermittent contact resistance and oxidation according to Contact resistance and oxidation

Check cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) sensor #2 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults

Check signal cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) pressure sensor #2 for an intermittent open circuit according to Open-circuit, intermittent faults

Check power supply cable between engine control module (ECM) #A39 (#A39) and air conditioning (A/C) pressure sensor #3 for an intermittent open-circuit according to Open-circuit, intermittent faults

Remedy as necessary

Other information

1. Connecting the breakout box/accessing the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. Air conditioning (A/C) pressure sensor #2 is the signal cable, #3 is the power supply (5V) and #1 is the signal ground.
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S28624875192011071200000)

Check air conditioning (A/C) pressure sensor connector for contact resistance and oxidation according to Contact resistance and oxidation .

Check signal cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) pressure sensor #2 for an short-circuit to ground according to Short-circuit to ground, permanent faults .

Check signal cable between engine control module (ECM) #A68 (#B8) and air conditioning (A/C) pressure sensor #2 for an open circuit according to Open-circuit, permanent faults .

Check power supply cable between engine control module (ECM) #A39 (#A39) and air conditioning (A/C) pressure sensor #3 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-408435-S12899753102011071200000) .
2. Air conditioning (A/C) pressure sensor #2 is the signal cable, #3 is the power supply (5 V) and #1 is the signal ground.
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S01994385862011071200000)

Check air conditioning (A/C) relay resistance. At +20 °C (68°F) the resistance should be approximately 84 ohms. For resistance values see Component specifications .

Check the signal cable between control module #B44 and air conditioning (A/C) relay #4 and the power supply between system relay #3 and A/C relay #2 for an open-circuit according to Open-circuit, permanent faults , and a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box/access the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the air conditioning (A/C) relay, see «Integrated relay/fleshpots, engine compartment, replacing»(ref-438950-S27450357292011120700000) .
3. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000) .

1. Continue Refer to «Verification»(ref-408511-S12543735892011071200000)

Check the signal cable between control module #B44 and air conditioning (A/C) relay #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. To connect the breakout box/access the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the air conditioning (A/C) relay, see «Integrated relay/fleshpots, engine compartment, replacing»(ref-438950-S27450357292011120700000) .
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S13605265722011071200000)

Check signal cable between control module #B44 and air conditioning (A/C) relay #4 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box/access the control module, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. To access/replace the air conditioning (A/C) relay, see «Integrated relay/fleshpots, engine compartment, replacing»(ref-438950-S27450357292011120700000)
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000)

1. Continue Refer to «Verification»(ref-408511-S35475836992011071200000)

Checking components and wiring

Check the engine cooling fan (FC) relay connector. Check for contact resistance and oxidation.

Check the power supply cable. Check for an intermittent open-circuit. Also check that the fuse is intact.

Check the cable between engine control module (ECM) terminal #A7 and engine cooling fan (FC) relay terminal #IN1. Check for an intermittent open-circuit.

Remedy as necessary

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000)
3. See «Contents»(ref-438953-S34713241302011120700000)
4. The engine cooling fan (FC) relay is supplied with power via fuse 11A/1.

Scheme 966

Scheme 967

1. Continue Refer to «Information»(ref-408511-S38722386112011071200000)

Check the engine cooling fan (FC) relay connector. Check for contact resistance and oxidation.

Check the power supply cable. Check for an open-circuit. Also check that the fuse is intact.

Check the cable between engine control module (ECM) terminal #A7 and engine cooling fan (FC) relay terminal #IN1. Check for an open-circuit.

Remedy as necessary

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000)
3. See «Contents»(ref-438953-S34713241302011120700000)
4. The engine cooling fan (FC) relay •• is supplied with power via fuse 11A/1.

1. Continue Refer to «Verification»(ref-408511-S01274115092011071200000)

Check the cable between engine control module (ECM) terminal #A7 (#A7) and engine cooling fan (FC) relay terminal #IN1. Check for an intermittent short-circuit to supply voltage.

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000)
3. See «Contents»(ref-438953-S34713241302011120700000) .

Scheme 968

1. Continue Refer to «Information»(ref-408511-S42675172642011071200000)

Check the cable between engine control module (ECM) terminal #A7 (#A7) and engine cooling fan (FC) relay terminal #IN1. Check for a short-circuit to supply voltage.

Remedy as necessary

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000)
3. See «Contents»(ref-438953-S34713241302011120700000) .

1. Continue Refer to «Verification»(ref-408511-S33447533092011071200000)

Check the power supply cable. Check for an intermittent short-circuit to ground. Also check that the fuse is intact.

Check the cable between engine control module (ECM) terminal #A7 (#A7) and engine cooling fan (FC) relay terminal #IN1. Check for an intermittent short-circuit to ground.

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000)
3. See «Contents»(ref-438953-S34713241302011120700000)
4. The engine cooling fan (FC) relay is supplied with power via fuse 11A/1.

1. Continue Refer to «Information»(ref-408511-S40779576882011071200000)

Check the power supply cable. Check for a short-circuit to ground. Also check that the fuse is intact.

Check the cable between engine control module (ECM) terminal #A7 (#A7) and engine cooling fan (FC) relay terminal #IN1. Check for a short-circuit to ground.

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000)
3. See «Contents»(ref-438953-S34713241302011120700000)

1. Continue Refer to «Verification»(ref-408511-S30737023192011071200000)

Check engine cooling fan (FC) relay connector for contact resistance and oxidation according to Contact resistance and oxidation

Check power supply cable for an intermittent open-circuit according to Open-circuit, intermittent faults , also check that the fuse has not blown.

Check cable between engine control module (ECM) #A6 and engine cooling fan (FC) relay #IN2 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Remedy as necessary

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .
3. The engine cooling fan (FC) relay is supplied with power via fuse 11A/1

1. Continue Refer to «Information»(ref-408511-S29686089362011071200000)

Check engine cooling fan (FC) relay connector for contact resistance and oxidation according to Contact resistance and oxidation .

Check the power supply cable for an open-circuit according to Open-circuit, permanent faults , also check that the fuse has not blown.

Check cable between engine control module (ECM) #A6 and engine cooling fan (FC) relay #IN2 for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .
3. The engine cooling fan (FC) relay is supplied with power via fuse 11A/1.

1. Continue Refer to «Verification»(ref-408511-S38729993452011071200000)

Check cable between engine control module (ECM) #A6 (#A6) and engine cooling fan (FC) relay #IN2 for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S17953926822011071200000)

Check cable between engine control module (ECM) #A6 (#A6) and engine cooling fan (FC) relay #IN2 for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S24366279422011071200000)

Check power supply cable for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults , also check that the fuse has not blown.

Check cable between engine control module (ECM) #A6 (#A6) and engine cooling fan (FC) relay #IN2 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .
3. The engine cooling fan (FC) relay is supplied with power via fuse 11A/1

1. Continue Refer to «Information»(ref-408511-S22663242382011071200000)

Check power supply cable for a short-circuit to ground according to Short-circuit to ground, permanent faults , also check that the fuse has not blown.

Check cable between engine control module (ECM) #A6 (#A6) and engine cooling fan (FC) relay #IN2 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .
3. The engine cooling fan (FC) relay is supplied with power via fuse 11A/1.

1. Continue Refer to «Verification»(ref-408511-S33662589322011071200000)

Check cable between engine control module (ECM) #B41 (#B51) and combined instrument panel #B16 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Remedy as necessary

Other information

1. To connect the breakout box/access the engine control module (ECM), see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To connect the combined instrument panel breakout box, see «Connecting the Driver Information Module (DIM) test box»(ref-439004-S14443808852011120700000) .
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

Scheme 969

1. Continue Refer to «Information»(ref-408511-S14042989952011071200000)

Check the cable between the engine control module (ECM) terminal #B41 (#B51) and combined instrument panel terminal #B1 (terminal #31). Check for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Other information

1. To connect the engine control module (ECM) breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. To connect the combined instrument panel breakout box, see «Connecting the Driver Information Module (DIM) test box»(ref-439004-S14443808852011120700000)
3. To access and replace the combined instrument panel, see «Driver information module (DIM), replacing»(ref-439004-S26309461932011120700000)
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

Scheme 970

1. Continue Refer to «Verification»(ref-408511-S19739169942011071200000)

Check the cable between the engine control module (ECM) terminal #B41 (#B51) and combined instrument panel terminal #B1 (terminal #31). Check for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

Remedy as necessary.

Other information

1. To connect the engine control module (ECM) breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. To connect the combined instrument panel breakout box, see «Driver information module (DIM), replacing»(ref-439004-S26309461932011120700000)
3. For information about signals see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S00515959592011071200000)

Check the cable between the engine control module (ECM) terminal #B41 (#B51) and combined instrument panel terminal #B1 (terminal #31). Check for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

Remedy as necessary.

Other information

1. To connect the engine control module (ECM) breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. To connect the combined instrument panel breakout box, see «Connecting the Driver Information Module (DIM) test box»(ref-439004-S14443808852011120700000)
3. To access and replace the combined instrument panel, see «Driver information module (DIM), replacing»(ref-439004-S26309461932011120700000)
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S13395675352011071200000)

Check the cable between the engine control module (ECM) terminal #B41 (#B51) and combined instrument panel terminal #B1 (terminal #31). Check for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .

Remedy as necessary.

Other information

1. To connect the engine control module (ECM) breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. To connect the combined instrument panel breakout box, see «Connecting the Driver Information Module (DIM) test box»(ref-439004-S14443808852011120700000)
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S35920554312011071200000)

Check the cable between the engine control module (ECM) terminal #B41 (#B51) and combined instrument panel terminal #B1 (terminal #31). Check for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information

1. To connect the engine control module (ECM) breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. To connect the combined instrument panel breakout box, see «Connecting the Driver Information Module (DIM) test box»(ref-439004-S14443808852011120700000)
3. To access and replace the combined instrument panel, see «Driver information module (DIM), replacing»(ref-439004-S26309461932011120700000)
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S24186310992011071200000)

Checking the component, wiring and connector

Check camshaft reset valve connector for intermittent contact resistance, oxidation according to Contact resistance and oxidation and intermittent loose connections according to Loose connections (terminals) .

Check the signal cable between engine control module (ECM) #A13 and camshaft reset valve #5 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Check power supply cable #5 and camshaft reset valve #1 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. Access/replace the camshaft reset valve.
3. With the ignition on and camshaft reset valve connector disconnected the voltage on connector #1 should be approximately Abut and connector #2 be a pulse modulated signal with top voltage at approximately Abut and with a frequency of approximately 250 Hz.
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

Scheme 971

1. Continue Refer to «Information»(ref-408511-S15744184242011071200000)

Check reset valve camshaft resistance between #1 and #2, resistance should be approximately 3.7 ohm.

Check the signal cable between engine control module (ECM) #A13 and camshaft reset valve #2 for an open-circuit according to Open-circuit, permanent faults .

Check power supply cable #5 and camshaft reset valve #1 for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. Access/replace the camshaft reset valve.
3. With the ignition on and the camshaft reset valve connector disconnected the voltage at connector #1 should be approximately Abut and at connector #2 it should be a pulse modulated signal with a peak voltage of approximately Abut and with a frequency of approximately 250 Hz.
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S18719090802011071200000)

Checking wiring and connectors

Check the signal cable between engine control module (ECM) #A13 and camshaft reset valve #2 for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the camshaft reset valve, see
3. With the ignition on and camshaft reset valve connector disconnected the voltage on connector #1 should be approximately Abut and connector #2 be a pulse modulated signal with top voltage at approximately Abut and with a frequency of approximately 250 Hz.
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S16655405402011071200000)

Check signal cable between engine control module (ECM) #A13 and camshaft reset #2 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .

Check power supply cable #5 and camshaft reset valve #1 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. Access/replace the camshaft reset valve.
3. With the ignition on and camshaft reset valve connector disconnected the voltage on connector #1 should be approximately Abut and connector #2 be a pulse modulated signal with top voltage at approximately Abut and with a frequency of approximately 250 Hz.
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S23471822172011071200000)

Checking the components and wiring

Check the resistance on camshaft reset valve between terminals #1 and #2.Resistance must be approximately 3.7 ohms.

Check the signal cable between Engine control module (ECM) terminal #A13 and camshaft reset valve terminal #2. Check for an open-circuit, short-circuit to ground and short-circuit to voltage.

Check the power supply cable between system relay terminal #5 and camshaft reset valve terminal #1. Check for an open-circuit.

Remedy as necessary.

Other information

1. See «Checking wiring and terminals»(ref-438953-S20310262912011120700000)
2. See «Connecting the breakout box»(ref-408435-S12899753102011071200000)
3. See «Signal specification»(ref-408451-S42269556162011071200000)

Was a fault detected?

1. YES Refer to «Verification»(ref-408511-S27770687652011071200000)
2. NO Refer to «Checking components»(ref-408511-S18912912732011071200000)

Check turbocharger (TC) control valve connector for intermittent contact resistance or oxidation according to Contact resistance and oxidation and intermittent loose connections according to Loose connections (terminals) .

Check signal cable between engine control module (ECM) #A38 (#A38) and turbocharger (TC) control valve #2 for an intermittent open-circuit according to Open-circuit, intermittent faults .

Check power supply turbocharger (TC) control valve between turbocharger (TC) control valve #1 and system relay for an intermittent open-circuit according to Open-circuit, intermittent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the turbocharger (TC) control valve, see «Replacing the turbocharger (TC) control valve»(ref-408507-S19034283562011071200000) .
3. Turbocharger (TC) control valve #1 has power supply via the system relay.
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

Scheme 972

1. Continue Refer to «Information»(ref-408511-S16903922502011071200000)

Check signal cable between engine control module (ECM) #A38 (#A38) and turbocharger (TC) control valve #2 for an open-circuit according to Open-circuit, permanent faults .

Check power supply cable between turbo charger valve #1 and system relay for an open-circuit according to Open-circuit, permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the turbocharger (TC) control valve, see «Replacing the turbocharger (TC) control valve»(ref-408507-S19034283562011071200000) .
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .
4. Turbocharger (TC) control valve #1 has power supply via the system relay.

1. Continue Refer to «Verification»(ref-408511-S39774425612011071200000)

Check cables between engine control module (ECM) #A38 (#A38) and turbocharger (TC) control valve #2 for an intermittent short-circuit to supply voltage according to Short-circuit to supply voltage, intermittent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the turbocharger (TC) control valve, see «Replacing the turbocharger (TC) control valve»(ref-408507-S19034283562011071200000) .
3. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .
4. Turbocharger (TC) control valve #1 has Abut power supply from the system relay.

1. Continue Refer to «Information»(ref-408511-S41848104122011071200000)

Check the cable between control module #A38 (#A38) and turbocharger (TC) control valve #2 for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .
3. To access/replace the turbocharger (TC) control valve, see «Replacing the turbocharger (TC) control valve»(ref-408507-S19034283562011071200000) .
4. Turbocharger (TC) control valve #1 has Abut power supply from the system relay.

1. Continue Refer to «Verification»(ref-408511-S34723580202011071200000)

Check cables between engine control module (ECM) #A38 (#A38) and turbocharger (TC) control valve #2 for an intermittent short-circuit to ground according to Short-circuit to ground, intermittent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the turbocharger (TC) control valve, see «Replacing the turbocharger (TC) control valve»(ref-408507-S19034283562011071200000) .
3. Turbocharger (TC) control valve #1 has Abut power supply from the system relay.
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Information»(ref-408511-S30930219422011071200000)

Check cable between engine control module (ECM) #A38 (#A38) and turbocharger (TC) control valve #2 for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information

1. To connect the breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000) .
2. To access/replace the turbocharger (TC) control valve, see «Replacing the turbocharger (TC) control valve»(ref-408507-S19034283562011071200000) .
3. Turbocharger (TC) control valve #1 has Ubatt power supply from the system relay.
4. For information about signals, see «Signal specification»(ref-408451-S42269556162011071200000) .

1. Continue Refer to «Verification»(ref-408511-S18896521442011071200000)

Check the cable between engine control module (ECM) terminal #B46 and combined instrument panel terminal #B11. Check for an intermittent open-circuit.

Remedy as necessary

Other information

1. To connect the engine control module (ECM) breakout box, see «Connecting the breakout box»(ref-408435-S12899753102011071200000)
2. To connect the combined instrument panel breakout box, see «Connecting the Driver Information Module (DIM) test box»(ref-439004-S14443808852011120700000)
3. For information about signals, see «Signal specification»(ref-438954-S05832475042011120700000)
4. See «Contents»(ref-438953-S34713241302011120700000)
5. For information about the combined instrument panel connectors, see «Driver Information Module (DIM) signal description»(ref-439004-S15375030002011120700000)

1. Continue Refer to «Information»(ref-408511-S35516687892011102600000)