C1A00

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS


C1A00 CONTROL UNIT

1.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if any item other than "C1A00: CONTROL UNIT" (DTC 0) is indicated on self-diagnosis display.
Is any indicated?
YES - 1. Repair or replace applicable item. Cruise Control System.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NO - 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.