C1A21

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS


C1A21 UNIT HIGH TEMP

1.CHECK SYMPTOM
Check if cooling system malfunctions.
Does it malfunction?
YES - 1. Repair cooling 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.