Operation CHARM: Car repair manuals for everyone.

How to Proceed With Troubleshooting








SLIDING ROOF: SLIDING ROOF SYSTEM (for Multi-panel Moon Roof): HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use this procedure to troubleshoot the sliding roof system.
- The intelligent tester should be used in steps 3 and 5.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
NEXT -- Continue to next step.
3. INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)
(a) Use the intelligent tester to check for normal function of the multiplex communication system.
(1) (ECU unconnected, communication stop, communication line mulfunctioning) Without code outputs, proceed to A.
(2) (ECU unconnected, communication stop, communication line mulfunctioning) With code outputs, proceed to B.
B -- Go to MULTIPLEX COMMUNICATION SECTION
A -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE
(a) If the fault is not listed on the problem symptoms table, proceed to A.
(b) If the fault is listed on the problem symptoms table, proceed to B.
B -- Go to step 6
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) DATA LIST / ACTIVE TEST Sliding Roof System (for Multi-panel Moon Roof)

(1) Inspection with intelligent tester (DATA LIST).
(2) Inspection with the intelligent tester (ACTIVE TEST).
(b) Terminals of ECU Sliding Roof System (for Multi-panel Moon Roof)

(c) On-vehicle inspection Sliding Roof System (for Multi-panel Moon Roof).
NEXT -- Continue to next step.
6. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
7. CONFIRMATION TEST
NEXT -- END