Diagnostic Strategies

Work Flow
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to "System Description".
3. Perform BCM Power Supply and Ground Circuit Check. Refer to BL-29, "BCM Power Supply and Ground Circuit Check". Component Tests and General Diagnostics
4. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to "Symptom Chart". Symptom Matrix Chart
5. Does rear window defogger operate normally? OK: GO TO 6, NG: GO TO 4.
6. INSPECTION END.