Electronic Control Modules - Electrical Diagnostics: Other Dodge Magnum I

Monitor Conditions

1. When Monitored: With the ignition on.

Set Conditions

1. Set Condition: Battery voltage less than 9 volts for approximately 5 to 6 seconds.

Possible Causes

1. When Monitored: With the ignition on.

1. Set Condition: Battery voltage greater than 16 volts for approximately 5 to 6 seconds.

1. When Monitored: With the ignition on.

1. Set Condition: The Front Control Module detects the (F891) 5 volt supply circuit voltage below 4 volts.

Scheme 28

1. 1) CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 90 seconds. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To step 2) . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
2. 2) A/C PRESSURE TRANSDUCER Turn the ignition off. Disconnect the A/C Pressure Transducer harness connector. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 90 seconds. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To step 3) . No Replace the A/C Pressure Transducer. Refer to «TRANSDUCER-A/C PRESSURE»(ref-246942-S17624273582007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) .
3. 3) (F891) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the FCM C1 harness connector. Measure the resistance between ground and the (F891) 5 Volt Supply circuit. Is the resistance below 1000.0 ohms? Yes Repair the (F891) 5 Volt Supply circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) .

1. When Monitored: With the ignition on.

1. Set Condition: The Front Control Module detects the (F891) 5 volt supply circuit voltage above 5.0 volts.

Scheme 29

1. 1) CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 90 seconds. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To step 2) . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
2. 2) A/C PRESSURE TRANSDUCER Turn the ignition off. Disconnect the A/C Pressure Transducer harness connector. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 90 seconds. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To step 3) . No Replace the A/C Pressure Transducer. Refer to «TRANSDUCER-A/C PRESSURE»(ref-246942-S17624273582007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) .
3. 3) (F891) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the FCM C1 harness connector. Turn the ignition on. Measure the voltage of the (F891) 5 Volt Supply circuit. Is the voltage above 5.5 volts? Yes Repair the (F891) 5 Volt Supply circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) .

1. When Monitored: With the ignition on.

1. Set Condition: The Front Control Module will receive and monitor the VIN message from the PCM and record the VIN if different from the last VIN.

1. When Monitored: Continuously.

1. Set Condition: The Front Control Module detects an internal fault.

1. When Monitored: With the ignition on.

1. Set Condition: The Front Control Module is not configured correctly to the vehicle.

1. When Monitored: With the ignition on.

1. Set Condition: The FCM detects a short in either CAN C Bus circuit.

Scheme 30

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Scheme 32

Scheme 33

Scheme 34

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go To step 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) ANTILOCK BRAKE MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Antilock Brake Module harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go To step 3) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace the Antilock Brake Module. Refer to «ICU (INTEGRATED CONTROL UNIT)»(ref-246951-S01409115842007011000000) . Perform «ABS VERIFICATION TEST - VER 1»(ref-246948-S28039438982007011000000) .
3. 3) POWERTRAIN CONTROL MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Powertrain Control Module C1 harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go To step 4) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) SHIFTER LEVER ASSEMBLY (NAG1 ONLY)- INTERNAL SHORT Turn the ignition off. NOTE: If the vehicle is not equipped with a NAG1 controller then skip this step. Disconnect the Shifter Lever Assembly harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go To step 5) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Shifter Lever Assembly. Refer to «MECHANISM-SHIFT»(ref-246913-S36048012382007021300000) . Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
5. 5) TRANSMISSION CONTROL MODULE (NAG1 ONLY)- INTERNAL SHORT Turn the ignition off. NOTE: If the vehicle is not equipped with a NAG1 controller then skip this step. Disconnect the Transmission Control Module C2 harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go To step 6) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Transmission Control Module. Refer to «MODULE-TRANSMISSION CONTROL»(ref-246912-S17182014892007011000000) . Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
6. 6) STEERING CONTROL MODULE - INTERNAL SHORT Turn the ignition off. Disconnect the Steering Control Module harness connector. Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display U0001-CAN C BUS as active? Yes Go To step 7) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Steering Control Module. Refer to «STEERING COLUMN CONTROL MODULE»(ref-246928-S37023054082007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
7. 7) (D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Turn the ignition on. Measure the voltage between the (D65) CAN C Bus (+) circuit and ground. Is there any voltage present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Go To step 8) .
8. 8) (D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE Measure the voltage between the (D64) CAN C Bus (-) circuit and ground. Is there any voltage present? Yes Repair the (D64) CAN C Bus (-) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Go To step 9) .
9. 9) (D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (D65) CAN C Bus (+) circuit. Is any resistance present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Go To step 10) .
10. 10) (D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (D64) CAN C Bus (-) circuit. Is any resistance present? Yes Repair the (D64) CAN C Bus (-) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Go To step 11) .
11. 11) (D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT Measure the resistance between the (D65) CAN C Bus (+) circuit and the (D64) CAN C Bus (-) circuit. Is any resistance present? Yes Repair the (D65) CAN C Bus (+) circuit for a short to the (D64) CAN C Bus (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 35

1. When Monitored: With the ignition on.

1. Set Condition: The FCM detects an open, a short high, a short low or a short together in either of the CAN B Bus circuits.

Scheme 36

Scheme 37

Scheme 38

Scheme 39

Scheme 40

Scheme 41

Scheme 42

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase FCM DTC's. Cycle the ignition from on to off 3 times. Turn the ignition on. With the scan tool, read active FCM DTC's. Does the scan tool display this DTC as active? Yes Go To step 2) . No The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) ANY CAN B BUS MODULE- INTERNAL FAULT Turn the ignition off. With the scan tool, monitor the active FCM DTCs. While monitoring the scan tool, disconnect each CAN B Bus module one at a time. NOTE: When performing the above step, turn the ignition off (wait one minute) before disconnecting any module. When the module is disconnected turn the ignition on. NOTE: This is to determine if the fault is internal within a module. Check for this DTC to become active after disconnecting each CAN B Bus module the vehicle is equipped with. NOTE: If the DTC becomes stored when a particular CAN B Bus module is disconnected, that module is causing the DTC to set. With all the CAN B Bus modules disconnected did the FCM still set this DTC as active? Yes Go To step 3) . No Replace the module that when disconnected the DTC became stored. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off. Disconnect the Front Control Module C1 harness connector. NOTE: Ensure each CAN B Bus module is disconnected at this time. Turn the ignition on. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is the voltage above 10.0 volts? Yes Repair the (D55) CAN B Bus (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Go To step 4) .
4. 4) (D54) CAN B BUS (-) CIRCUIT FOR A SHORT TO VOLTAGE NOTE: Ensure each CAN B Bus module is disconnected at this time. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Is the voltage above 10.0 volts? Yes Repair the (D54) CAN B Bus (-) circuit for a short to voltage. No Go To step 5) .
5. 5) (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. NOTE: Ensure each CAN B Bus module is disconnected at this time. Measure the resistance between ground and the (D55) CAN B Bus (+) circuit. Is the resistance above 1000.0 ohms? Yes Go To step 6) . No Repair the (D55) CAN B Bus (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
6. 6) (D54) CAN B BUS (-) CIRCUIT FOR A SHORT TO GROUND NOTE: Ensure each CAN B Bus module is disconnected at this time. Measure the resistance between ground and the (D54) CAN B Bus (-) circuit. Is the resistance above 1000.0 ohms? Yes Go To step 7) . No Repair the (D54) CAN B Bus (-) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
7. 7) (D55) CAN B BUS (+) CIRCUIT SHORTED TO THE (D54) CAN B BUS (-) CIRCUIT Measure the resistance between the (D55) CAN B Bus (+) circuit and (D54) CAN B Bus (-) circuit. NOTE: Ensure each CAN B Bus module is disconnected at this time. Is any resistance present? Yes Repair the (D55) CAN B Bus (+) circuit for a short to the (D54) CAN B Bus (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Go To step 8) .
8. 8) (D55) CAN B BUS (+) CIRCUIT OPEN Measure the resistance of the (D55) CAN B Bus (+) circuit between the FCM connector and the Cluster connector. Is the resistance above 10.0 ohms? Yes Repair the (D55) CAN B Bus (+) circuit for an open or high resistance. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Go To step 9) .
9. 9) (D54) CAN B BUS (-) CIRCUIT OPEN Measure the resistance of the (D54) CAN B Bus (-) circuit between the FCM connector and the Cluster connector. Is the resistance above 10.0 ohms? Yes Repair the (D54) CAN B Bus (-) circuit for an open or high resistance. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the ECM/PCM for approximately 500ms.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the TCM for approximately 500ms.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Electric Gear Shift Module (shifter lever assembly) for approximately 500ms.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Antilock Brake Module for approximately 500ms.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Front Control Module for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Occupant Restraint Controller for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Occupant Classification Module for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Cluster/CCN for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Electronic Overhead Module (EOM) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Park Assist Module (PTS) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the A/C Heater Control (HVAC) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Sentry Key Remote Entry Module (WCM) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Sunroof Control Module (SUNR) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Headlamp Leveling Module for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Radio for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Amplifier for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the Satellite Receiver (SDAR) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the HFM for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the DDM for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the PDM for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the HSM for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the MSMD for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the SCM (CAN B) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the rain sensor (LRSM) for approximately 2 to 5 seconds.

1. When Monitored: Continuously

1. Set Condition: When the CAN B Bus messages are not received within 2 seconds.

1. When Monitored: With the ignition on.

1. Set Condition: The FCM detects a short in either CAN C Bus circuit.

1. When Monitored: With the ignition on.

1. Set Condition: The FCM detects an open, a short high, a short low or a short together in either of the CAN B Bus circuits.

1. When Monitored: Continuously.

1. Set Condition: The Front Control Module detects an additional CAN B module and requires a re-configuration.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received from the SCM (CAN C) for approximately 200ms.

1. When Monitored: With the ignition on Battery voltage between 10 and 16 volts IOD fuse installed FCM is configured correctly

1. Set Condition: Bus messages not received for approximately 2 to 5 seconds.

1. When Monitored: When the scan tool queries the FCM.

1. Set Condition: The scan tool has detected a shorted high condition on either or both CAN C Diagnostic circuits.

Scheme 43

1. 1) CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2) . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) CAN C DIAGNOSTIC CIRCUITS SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Disconnect the scan tool from the DLC. Turn the ignition on. Measure the voltage of the CAN C Diagnostic circuits. Is the voltage above 6.0 volts for either circuit? Yes Repair the CAN C Diagnostic circuits for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

1. When Monitored: When the scan tool queries the FCM.

1. Set Condition: The scan tool has detected a shorted low condition on the (D72) CAN C Diagnostic (+) circuit.

Scheme 44

1. 1) CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2) . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) (D72) CAN C DIAGNOSTIC (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Disconnect the scan tool from the DLC. Measure the resistance between ground and the (D72) CAN C Diagnostic (+) circuit. Is the resistance below 100.0 ohms? Yes Repair the (D72) CAN C Diagnostic (+) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

1. When Monitored: When the scan tool queries the FCM.

1. Set Condition: The scan tool has detected a shorted low condition on the (D71) CAN C Diagnostic (-) circuit.

Scheme 45

1. 1) CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2) . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) (D71) CAN C DIAGNOSTIC (-) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Disconnect the scan tool from the DLC. Measure the resistance between ground and the (D71) CAN C Diagnostic (-) circuit. Is the resistance below 100.0 ohms? Yes Repair the (D71) CAN C Diagnostic (-) circuit for a short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

1. When Monitored: When the scan tool queries the FCM.

1. Set Condition: The scan tool has detected a shorted together condition on the CAN C Diagnostic circuits.

Scheme 46

1. 1) CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2) . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) (D72) CAN C DIAGNOSTIC (+) CIRCUIT SHORTED TO (D71) CAN C DIAGNOSTIC (-) CIRCUIT Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Disconnect the scan tool from the DLC. Measure the resistance between the (D72) CAN C Diagnostic (+) circuit and the (D71) CAN C Diagnostic (-) circuit. Is the resistance below 100.0 ohms? Yes Repair the (D72) CAN C Diagnostic (+) circuit for a short to the (D71) CAN C Diagnostic (-) circuit. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

1. When Monitored: When the scan tool queries the FCM.

1. Set Condition: The scan tool has detected an open condition on the (D71) CAN C Diagnostic (-) circuit.

Scheme 47

1. 1) CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2) . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) (D71) CAN C DIAGNOSTIC (-) CIRCUIT OPEN Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Disconnect the scan tool from the DLC. Measure the resistance of the (D71) CAN C Diagnostic (-) circuit between the FCM connector and the DLC. Is the resistance below 5.0 ohms? Yes Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D71) CAN C Diagnostic (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

1. When Monitored: When the scan tool queries the FCM.

1. Set Condition: The scan tool has detected an open condition on the (D72) CAN C Diagnostic (+) circuit.

Scheme 48

1. 1) CHECK THE STATUS OF THE ERROR MESSAGE NOTE: Ensure the vehicle being tested is a CAN BUS VEHICLE. If not, false error messages may be displayed. NOTE: Ensure the scan tool is updated to the latest software. With the scan tool, record the error message. Disconnect the scan tool from the DLC. Cycle the ignition from on to off 3 times. Turn the ignition on. Does the scan tool display this same error message? Yes Go To step 2) . No The conditions that caused this error message to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2. 2) (D72) CAN C DIAGNOSTIC (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Disconnect the scan tool from the DLC. Measure the resistance of the (D72) CAN C Diagnostic (+) circuit between the FCM connector and the DLC. Is the resistance below 5.0 ohms? Yes Inspect the wiring and connectors for damage or shorted circuits. If OK, replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D72) CAN C Diagnostic (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

1. When Monitored: When the scan tool queries the FCM.

1. Set Condition: The scan tool has detected an open condition on both CAN C Diagnostic circuits.

Scheme 49

Scheme 50

Scheme 51

Scheme 52

Scheme 53

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the FCM for any active CAN C hardware DTCs, perform DTC before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A107) (A111) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Antilock Brake Module harness connector. Using a 12-volt test light connected to ground, check each (A107) and (A111) Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3) . No Repair the Fused B(+) circuit for an open or short. Perform «ABS VERIFICATION TEST - VER 1»(ref-246948-S28039438982007011000000) .
3. 3) (Z903) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z903) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z903) ground circuit for an open. Perform «ABS VERIFICATION TEST - VER 1»(ref-246948-S28039438982007011000000) .
4. 4) (F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F202) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5) . No Repair the (F202) Fused Ignition Switch Output circuit for an open or short. Perform «ABS VERIFICATION TEST - VER 1»(ref-246948-S28039438982007011000000) .
5. 5) (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the FCM C1 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the FCM connector and the Antilock Brake Module connector. Is resistance below 5.0 ohms? Yes Go To step 6) . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform «ABS VERIFICATION TEST - VER 1»(ref-246948-S28039438982007011000000) .
6. 6) (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the FCM connector and the Antilock Brake Module connector. Is resistance below 5.0 ohms? Yes Replace the Antilock Brake Module. Refer to «ICU (INTEGRATED CONTROL UNIT)»(ref-246951-S01409115842007011000000) . Perform «ABS VERIFICATION TEST - VER 1»(ref-246948-S28039438982007011000000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform «ABS VERIFICATION TEST - VER 1»(ref-246948-S28039438982007011000000) .

Scheme 54

Scheme 55

Scheme 56

Scheme 57

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (X13) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Radio Amplifier C2 harness connector. Using a 12-volt test light connected to ground, check each (X13) Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3) . No Repair the (X13) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z910) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check each (Z910) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4) . No Repair the (Z910) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Amplifier. Refer to «AMPLIFIER»(ref-246935-S08303889762007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 58

Scheme 59

Scheme 60

Scheme 61

Scheme 62

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A904) (A23) (A110) FUSED B(+) CIRCUITS OPEN OR SHORTED Turn the ignition off. Disconnect the Cluster harness connectors. Using a 12-volt test light connected to ground, check each (A904) (A23) (A110) Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3) . No Repair the (A904) (A23) (A110) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z910) (Z210) GROUND CIRCUITS OPEN Using a 12-volt test light connected to 12-volts, check each (Z910) (Z210) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4) . No Repair the (Z910) (Z210) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F202) Fused Ignition Switch Output circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 5) . No Repair the (F202) Fused Ignition Switch Output circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
5. 5) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Cluster. Refer to «INSTRUMENT CLUSTER - SERVICE INFORMATION»(ref-246930-S40788253952007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 63

Scheme 64

Scheme 65

Scheme 66

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A913) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Driver Door Module harness connectors. Using a 12-volt test light connected to ground, check the (A913) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A913) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z912) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check each (Z912) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4) . No Repair the (Z912) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Driver Door Module. Refer to «DOOR MODULE»(ref-246912-S18086243322007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 67

Scheme 68

Scheme 69

Scheme 70

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A117) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Electronic Overhead Module harness connector. Using a 12-volt test light connected to ground, check the (A117) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A117) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z909) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z909) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z909) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace/update the Electronic Overhead Module (EOM). Refer to «OVERHEAD CONSOLE - SERVICE INFORMATION»(ref-246938-S30157780132007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 71

Scheme 72

Scheme 73

Scheme 74

Scheme 75

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the FCM for any active CAN C hardware and any ignition related DTCs, perform DTCs before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (Z911) GROUND CIRCUIT OPEN Turn the ignition off. Disconnect the Shifter Lever Assembly harness connector. Using a 12-volt test light connected to 12-volts, check the (Z911) ground circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (Z911) ground circuit for an open. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
3. 3) (F902) IGNITION UNLOCK-RUN-START CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F902) Ignition Unlock-Run-Start circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (F902) Ignition Unlock-Run-Start circuit for an open or short. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
4. 4) (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the FCM C1 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the FCM connector and the Shifter Lever Assembly connector. Is resistance below 5.0 ohms? Yes Go To step 5) . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
5. 5) (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the FCM connector and the Shifter Lever Assembly connector. Is resistance below 5.0 ohms? Yes Replace and program the Shifter Lever Assembly. Refer to «MECHANISM-SHIFT»(ref-246913-S36048012382007021300000) . Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .

Scheme 76

Scheme 77

Scheme 78

Scheme 79

Scheme 80

Scheme 81

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. NOTE: Ensure the scan tool is updated to the latest software. NOTE: If the scan tool displays any error messages involving the CAN C Diagnostic circuits, diagnose and repair the error message before proceeding. Refer to «DIAGNOSTIC CODE INDEX»(ref-246941-S32171940312007011000000) . NOTE: A loss of communication with the FCM can cause the ECU View button on the scan tool to be inoperative (not highlighted). With the scan tool, attempt to select ECU view. Can the scan tool communicate with the FCM? Yes The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals. No Go To step 2) .
2. 2) (A106) FUSED B(+) CIRCUIT OPEN AT DLC Disconnect the scan tool from the DLC. Using a 12-volt test light connected to ground, check the (A106) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A106) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z910) GROUND CIRCUIT OPEN AT DLC Using a 12-volt test light connected to 12-volts, check each (Z910) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4) . No Repair the (Z910) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) GROUND CIRCUITS OPEN AT FCM C1 CONNECTOR Disconnect the FCM C1 harness connector. Using a 12-volt test light connected to 12-volts, check each ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 5) . No Repair the ground circuit for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
5. 5) GROUND CIRCUITS OPEN AT FCM PDM CONNECTOR Remove the FCM from the PDM. Using a 12-volt test light connected to 12-volts, check each ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 6) . No Repair the ground circuit for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
6. 6) FUSED B(+) CIRCUITS OPEN AT FCM PDM CONNECTOR Using a 12-volt test light connected to ground, check each Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Replace and program the Front Control Module. Refer to «MODULE-FRONT CONTROL»(ref-246912-S19875012372007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the Fused B(+) circuit for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 82

Scheme 83

Scheme 84

Scheme 85

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A300) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Hands Free Module harness connector. Using a 12-volt test light connected to ground, check the (A300) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A300) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z909) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z909) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z909) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace Hands Free Module. Refer to «HANDS FREE MODULE»(ref-246982-S27659040052007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 86

Scheme 87

Scheme 88

Scheme 89

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (F500) FUSED RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED NOTE: Check the FCM for any ignition related DTCs before proceeding. If set «(Refer to ELECTRICAL/IGNITION CONTROL - DIAGNOSIS AND TESTING)»(ref-246969-S41919375492007011000000) . Turn the ignition off. Disconnect the Headlamp Leveling Module harness connector. Turn the ignition on. Using a 12-volt test light connected to ground, check the (F500) Fused Run Relay Output circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (F500) Fused Run Relay Output circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z901) GROUND CIRCUIT OPEN Turn the ignition off. Using a 12-volt test light connected to 12-volts, check the (Z901) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z901) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Headlamp Leveling Module. Refer to «HEADLAMP LEVELING MODULE - EXPORT»(ref-246931-S12351569392007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 90

Scheme 91

Scheme 92

Scheme 93

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A33) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Heated Seat Module harness connector. Using a 12-volt test light connected to ground, check the (A33) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A33) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z911) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z911) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z911) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Heated Seat Module. Refer to «MODULE-HEATED SEATS»(ref-246937-S41946160432007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 94

Scheme 95

Scheme 96

Scheme 97

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A23) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the A/C Heater Control C1 harness connector. Using a 12-volt test light connected to ground, check the (A23) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A23) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z909) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z909) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z909) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the A/C Heater Control. Refer to «CONTROL-A/C HEATER»(ref-246942-S40101922542007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 98

Scheme 99

Scheme 100

Scheme 101

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (F880) FUSED ACCESSORY DELAY RELAY OUTPUT CIRCUIT OPEN OR SHORTED NOTE: Check the FCM for any ignition related DTCs before proceeding. If set «(Refer to ELECTRICAL/IGNITION CONTROL - DIAGNOSIS AND TESTING)»(ref-246969-S41919375492007011000000) . Turn the ignition off. Disconnect the Rain Sensor harness connector. Turn the ignition on. Using a 12-volt test light connected to ground, check the (F880) Fused Accessory Delay Relay Output circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (F880) Fused Accessory Delay Relay Output circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z909) GROUND CIRCUIT OPEN Turn the ignition off. Using a 12-volt test light connected to 12-volts, check the (Z909) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z909) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Rain Sensor. Refer to «SENSOR-RAIN»(ref-246936-S27964511862007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 102

Scheme 103

Scheme 104

Scheme 105

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A110) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Memory Seat Module C1 harness connector. Using a 12-volt test light connected to ground, check the (A110) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A110) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z912) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z912) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z912) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Memory Seat Module. Refer to «MODULE-SEAT MEMORY»(ref-246912-S42280627872007011000000) Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 106

Scheme 107

Scheme 108

Scheme 109

Scheme 110

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A106) FUSED B(+) CIRCUIT OPEN OR SHORTED WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding. Disconnect the Occupant Classification Module C1 harness connector. WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery. Using a 12-volt test light connected to ground, check the (A106) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A106) Fused B(+) circuit for an open or short. Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) .
3. 3) (Z911) GROUND CIRCUIT OPEN Turn the ignition off. Using a 12-volt test light connected to 12-volts, check the (Z911) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z911) ground circuit for an open. Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) .
4. 4) (F201) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F201) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5) . No Repair the (F201) Fused Ignition Switch Output circuit for an open or short. Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) .
5. 5) (D55) AND (D54) CAN B BUS CIRCUITS OPEN WARNING: If the Occupant Classification Module is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death. NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Go To step 6) . Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) .
6. 6) CHECK (R263) SEAT POSITION SENSOR VOLTAGE CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Measure the resistance between ground and the (R263) Seat Position Sensor Voltage-Driver circuit. Is the resistance below 10k ohms on either circuit? Yes NOTE: Do not attempt to repair the Seat Harness. Replace the Seat Harness if the condition inspecting or testing for is present in the Seat Harness. Replace the Occupant Classification Module. Refer to «OCCUPANT CLASSIFICATION MODULE»(ref-246929-S27290378062007011000000) . Replace Driver Seat Position Sensor Harness in accordance with the service information. Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) . No Go To step 7) .
7. 7) CHECK (R701) SEAT WEIGHT SENSOR 5 VOLTS CIRCUIT FOR A SHORT TO GROUND Disconnect the Occupant Classification Module C2 harness connector. Measure the resistance between ground and the (R701) Seat Weight Sensor 5 volt circuit. Is the resistance below 10k ohms on either circuit? Yes NOTE: Do not attempt to repair the Seat Harness. Replace the Seat Harness if the condition inspecting or testing for is present in the Seat Harness. Replace the Occupant Classification Module. Refer to «OCCUPANT CLASSIFICATION MODULE»(ref-246929-S27290378062007011000000) . Replace Driver Seat Position Sensor Harness in accordance with the service information. Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) . No Replace the Occupant Classification Module. Refer to «OCCUPANT CLASSIFICATION MODULE»(ref-246929-S27290378062007011000000) . Perform «*OCS VERIFICATION TEST - VER 1»(ref-246997-S22327701092007011000000) .

Scheme 111

Scheme 112

Scheme 113

Scheme 114

Scheme 115

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (Z913) GROUND CIRCUIT OPEN WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding. Disconnect the Occupant Restraint Controller Module harness connectors. Connect the appropriate Load Tool ACM Adaptor to the ORC connector. Using a 12-volt test light connected to 12-volts, check the (Z913) ground circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (Z913) ground circuit for an open. Perform «*ORC VERIFICATION TEST - VER 1»(ref-246997-S18928432262007011000000) .
3. 3) (F214) FUSED RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED NOTE: Check the FCM for any ignition related DTCs before proceeding. If set «(Refer to ELECTRICAL/IGNITION CONTROL - DIAGNOSIS AND TESTING)»(ref-246969-S41919375492007011000000) . WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery. Using a 12-volt test light connected to ground, check the (F214) Fused Run Relay Output circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (F214) Fused Run Relay Output circuit for an open or short. Perform «*ORC VERIFICATION TEST - VER 1»(ref-246997-S18928432262007011000000) .
4. 4) (F201) FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN OR SHORTED Using a 12-volt test light connected to ground, check the (F201) Fused Ignition Switch Output (RUN/START) circuit. Does the test light illuminate brightly? Yes Go To step 5) . No Repair the (F201) Fused Ignition Switch Output (RUN/START) circuit for an open or short. Perform «*ORC VERIFICATION TEST - VER 1»(ref-246997-S18928432262007011000000) .
5. 5) (D55) AND (D54) CAN B BUS CIRCUITS OPEN WARNING: If the Occupant Restraint Controller is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death. NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Occupant Restraint Controller. Refer to «OCCUPANT RESTRAINT CONTROLLER»(ref-246929-S07850149422007011000000) . Perform «*ORC VERIFICATION TEST - VER 1»(ref-246997-S18928432262007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «*ORC VERIFICATION TEST - VER 1»(ref-246997-S18928432262007011000000) .

Scheme 116

Scheme 117

Scheme 118

Scheme 119

Scheme 120

Scheme 121

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the FCM for any active CAN C hardware DTCs, perform DTC before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A209) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the PCM C1 harness connector. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Using a 12-volt test light connected to ground, check the (A209) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A209) Fused B(+) circuit for an open or short. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
3. 3) (Z904) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check each (Z904) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4) . No Repair the (Z904) ground circuit for an open. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
4. 4) (F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F202) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5) . No Repair the (F202) Fused Ignition Switch Output circuit for an open or short. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
5. 5) (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the FCM C1 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the FCM connector and the appropriate terminal of the special tool #8815. Is resistance below 5.0 ohms? Yes Go To step 6) . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .
6. 6) (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the FCM connector and the appropriate terminal of the special tool #8815. Is resistance below 5.0 ohms? Yes Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform «NGC POWERTRAIN VERIFICATION TEST VER - 5»(ref-246912-S34084483822007011000000) .

Scheme 122

Scheme 123

Scheme 124

Scheme 125

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A913) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Passenger Door Module harness connectors. Using a 12-volt test light connected to ground, check the (A913) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A913) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z911) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z911) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z911) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Passenger Door Module. Refer to «DOOR MODULE»(ref-246912-S18086243322007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 126

Scheme 127

Scheme 128

Scheme 129

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (F500) FUSED RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED NOTE: Check the FCM for any ignition related DTCs before proceeding. If set «(Refer to ELECTRICAL/IGNITION CONTROL - DIAGNOSIS AND TESTING)»(ref-246969-S41919375492007011000000) . Turn the ignition off. Disconnect the Park Assist Module harness connector. Turn the ignition on. Using a 12-volt test light connected to ground, check the (F500) Fused Run Relay Output circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (F500) Fused Run Relay Output circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z914) GROUND CIRCUIT OPEN Turn the ignition off. Using a 12-volt test light connected to 12-volts, check the (Z914) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z914) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace/update the Park Assist Module (PTS). Refer to «PARK ASSIST MODULE»(ref-246925-S11409759442007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 130

Scheme 131

Scheme 132

Scheme 133

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A300) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Radio C1 harness connector. Using a 12-volt test light connected to ground, check each (A300) Fused B(+) circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 3) . No Repair the (A300) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z909) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check each (Z909) ground circuit. Does the test light illuminate brightly for each circuit? Yes Go To step 4) . No Repair the (Z909) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Radio. Refer to «RADIO»(ref-246935-S15177530482007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 134

Scheme 135

Scheme 136

Scheme 137

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A300) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Satellite Receiver harness connector. Using a 12-volt test light connected to ground, check the (A300) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A300) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z909) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z909) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z909) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace Satellite Receiver. Refer to «RECEIVER-SATELLITE»(ref-246935-S35713625062007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 138

Scheme 139

Scheme 140

Scheme 141

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A913) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Steering Control Module harness connector. Using a 12-volt test light connected to ground, check the (A913) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A913) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) .
3. 3) (Z910) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z910) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z910) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Steering Control Module. Refer to «STEERING COLUMN CONTROL MODULE»(ref-246928-S37023054082007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . «(Refer to BODY VERIFICATION TEST - VER 1)»(ref-246912-S19033985802007011000000) .

Scheme 142

Scheme 143

Scheme 144

Scheme 145

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (X13) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Sunroof Module harness connector. Using a 12-volt test light connected to ground, check the (X13) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (X13) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z909) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z909) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z909) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Sunroof Control Module. Refer to «MOTOR/MODULE-SUNROOF»(ref-246939-S13102307992007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .

Scheme 146

Scheme 147

Scheme 148

Scheme 149

Scheme 150

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the FCM for any active CAN C hardware and any ignition related DTCs, perform DTCs before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (Z912) GROUND CIRCUIT OPEN Turn the ignition off. Disconnect the Transmission Control Module C1 harness connector. Using a 12-volt test light connected to 12-volts, check the (Z912) ground circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (Z912) ground circuit for an open. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
3. 3) (F942) FUSED TRANSMISSION RELAY OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F942) Fused Transmission Relay Output circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (F942) Fused Transmission Relay Output circuit for an open or short. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
4. 4) (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the FCM C1 harness connector. Disconnect the TCM C2 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the FCM connector and the TCM connector. Is resistance below 5.0 ohms? Yes Go To step 5) . No Repair the (D65) CAN C Bus (+) circuit for an open. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .
5. 5) (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the FCM connector and the TCM connector. Is resistance below 5.0 ohms? Yes Replace and program the TCM. Refer to «MODULE-TRANSMISSION CONTROL»(ref-246912-S17182014892007011000000) . Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) . No Repair the (D64) CAN C Bus (-) circuit for an open. Perform «NAG1 TRANSMISSION VERIFICATION TEST - VER 1»(ref-246909-S02960750972007011000000) .

Scheme 151

Scheme 152

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. NOTE: Check the FCM for any active CAN C hardware DTCs, perform DTC before proceeding. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) ATTEMPT TO COMMUNICATE WITH THE PCM With the scan tool in ECU view, observe the status of the PCM. Does the scan tool display a red X next to the PCM? Yes Refer to the No Response From PCM test procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-246941-S32171940312007011000000) . No Go To step 3) .
3. 3) (Z904) GROUND CIRCUIT OPEN Turn the ignition off. Disconnect the PCM C4 harness connector. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis. Using a 12-volt test light connected to 12-volts, check each (Z904) ground circuit. Does the test light illuminate brightly for each circuit? Yes Replace and program the Powertrain Control Module. Refer to «MODULE-POWERTRAIN CONTROL»(ref-246912-S21217387632007011000000) . No Repair the (Z904) ground circuit for an open. Perform the appropriate TRANSMISSION VERIFICATION TEST.

Scheme 153

Scheme 154

Scheme 155

Scheme 156

Scheme 157

1. 1) TEST FOR INTERMITTENT CONDITION Turn the ignition on. NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts. With the scan tool, select ECU view. NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network. Does the scan tool display a red X next to the module? Yes Go To step 2) . No The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent , pushed out, and corroded terminals.
2. 2) (A23) FUSED B(+) CIRCUIT OPEN OR SHORTED Turn the ignition off. Disconnect the Sentry Key Remote Entry Module harness connector. Using a 12-volt test light connected to ground, check the (A23) Fused B(+) circuit. Does the test light illuminate brightly? Yes Go To step 3) . No Repair the (A23) Fused B(+) circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
3. 3) (Z910) GROUND CIRCUIT OPEN Using a 12-volt test light connected to 12-volts, check the (Z910) ground circuit. Does the test light illuminate brightly? Yes Go To step 4) . No Repair the (Z910) ground circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
4. 4) (F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED Turn the ignition on. Using a 12-volt test light connected to ground, check the (F202) Fused Ignition Switch Output circuit. Does the test light illuminate brightly? Yes Go To step 5) . No Repair the (F202) Fused Ignition Switch Output circuit for an open or short. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .
5. 5) (D55) AND (D54) CAN B BUS CIRCUITS OPEN NOTE: One open circuit will not cause this condition. Measure the voltage between the (D54) CAN B Bus (-) circuit and ground. Measure the voltage between the (D55) CAN B Bus (+) circuit and ground. Is there any voltage present on either circuit? Yes Replace the Sentry Key Remote Entry Module. Refer to «SENTRY KEY REMOTE ENTRY MODULE»(ref-246977-S14491032022007011000000) . Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) . No Repair the (D55) and (D54) CAN B Bus circuits for an open. Inspect the connector for damage. Perform «BODY VERIFICATION TEST - VER 1»(ref-246912-S11713511292007011000000) .