C141A

C141A-FRONT DIFFERENTIAL CONTROL CIRCUIT CURRENT PERFORMANCE





For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
The ignition on. No Solenoid DTCs present.

- Set Condition:
The FDCM detects a current feedback when the solenoid is not active.





1. ACTIVE DTC

NOTE: You must diagnose any Solenoid circuit (Low or High) DTCs first if set along with this DTC before continuing.

1. Ignition on, engine not running.
2. With the scan tool, read DTCs.

Is the DTC active at this time?

Yes

- Go To 2

No

- Go To 3

2. WIRING HARNESS INSPECTION
1. Inspect the wiring harness from both solenoids to the FDCM. Ensure that the harness has routed correctly.
2. Inspect the FDCM harness connector and Differential Solenoid connectors. Ensure the terminals are clean and no damage is present.

Was the wiring harness and connectors OK?

Yes

- Replace the FDCM.
- Perform the FDCM VERIFICATION TEST. FDCM Verification Test.

No

- Repair as necessary.
- Perform the FDCM VERIFICATION TEST. FDCM Verification Test.

3. INTERMITTENT WIRING AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
4. Using the scan tool, monitor the data related to this circuit while performing the wiggle test. Look for the data to change or for the DTC to reset.

Were there any problems found?

Yes

- Repair as necessary.
- Perform the FDCM VERIFICATION TEST. FDCM Verification Test.

No

- Test Complete. The conditions that originally set the DTC are no longer present.