HOW TO PROCEED WITH TROUBLE DIAGNOSIS
- Confirm the malfunction symptom or customer complaint.
- Understand system description. See «DESCRIPTION & OPERATION»(ref-153106-S13978069712003031700000) .
- Conduct pre-inspection. See «INSPECTION BEFORE DIAGNOSIS»(ref-153106-S01455327482003031700000) .
- Find cause of malfunction by following the symptoms in trouble diagnosis and repair or replace as necessary. See «TROUBLE DIAGNOSIS BY SYMPTOM»(ref-153106-S08884690902003031700000) .
- Does automatic light system operate normally? If it operates normally, go to next step. If it does not operate normally, go to step 4.
- Inspection End.
BCM Power/Ground Circuit Inspection
For BCM power and ground circuit inspection (Scheme 2)- (Scheme 4).
Scheme 2
Scheme 3
Scheme 4
ACTIVE TEST
Operation Procedure
- Touch "HEADLIGHT" on "SELECT TEST ITEM" screen.
- Touch "ACTIVE TEST" on "SELECT DIAG MODE" screen.
- Touch item to be tested and check operation of the selected item. (Scheme 5)
- During the operation check, touching "BACK" deactivates the operation.
Scheme 5
TROUBLE DIAGNOSIS BY SYMPTOM
Note. For work support, see WORK SUPPORT . For light switch inspection, see LIGHT SWITCH INSPECTION . For auto light sensor system inspection, see AUTO LIGHT SENSOR SYSTEM INSPECTION . For CAN communication inspection using CONSULT-II, see CAN COMMUNICATION INSPECTION USING CONSULT-II .
For trouble diagnosis by symptom (Scheme 6)
Scheme 6
LIGHT SWITCH INSPECTION
For light switch inspection (Scheme 7)
Scheme 7
AUTO LIGHT SENSOR SYSTEM INSPECTION
Note. For connector symbol explanation, see HOW TO READ CONNECTOR SYMBOLS .
For auto light sensor system inspection (Scheme 8)- (Scheme 12).