Main Switch Does Not Turn On, Main Switch Does Not Turn Off

MAIN SWITCH DOES NOT TURN ON, MAIN SWITCH DOES NOT TURN OFF


Diagnosis Procedure


NOTE:
- *1: The ICC system display in the combination meter does not illuminate.
- *2: The ICC system display in the combination meter remains powered.
1.CHECK ON/OFF SWITCH
With "DATA MONITOR", check that ON/OFF switch operates normally.
Does ON/OFF switch operate normally?
YES - GO TO 2
NO - GO TO 3
2.CHECK ICC UNIT CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect ICC unit harness connectors.
3. Check connector housing for disconnected, loose, bent, and collapsed terminals.
Does the ICC unit pass inspection?
YES - GO TO 3
NO - � Poor connector connection.
- Repair ICC unit connector. Erase DTC and perform ICC system running test. Action Test.
3.DIAGNOSIS CHECK
Perform self-diagnosis.
Is "CAN COMM CIRCUIT" indicated?
YES - DTC 20.
NO - DTC 46.