Main Line Between Diff And ADP Circuit

MAIN LINE BETWEEN DIFF AND ADP CIRCUIT





Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the following harness connectors.
- ECM
- Differential lock control unit
- Harness connectors B37 and B200
4. Check the continuity between the differential lock control unit harness connector and the harness connector.





Is the inspection result normal?
YES (Present error)-Check the following items again.
- Decision of CAN system type.
- Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR ("ECU list" included)].
- Not copied from on-board diagnosis.
- Procedure for detecting root cause.
YES (Past error)-Error was detected in the main line between the differential lock control unit and the driver seat control unit.
NO - Repair the main line between the differential lock control unit and the harness connector B37.