How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2006 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The intelligent tester can be used at steps 4, 5, 6, and 12.
- VEHICLE BROUGHT TO WORKSHOP
NEXT
- CUSTOMER PROBLEM ANALYSIS
NEXT
- PROBLEM SYMPTOM CONFIRMATION
SYMPTOM DOES NOT OCCUR (GO TO STEP 4)
SYMPTOM OCCURS (GO TO STEP 5)
- CHECK BODY MULTIPLEX COMMUNICATION SYSTEM
- Check for DTC outputs.
MULTIPLEX DTC OUTPUTS (PROCEED TO MULTIPLEX COMMUNICATION
NO MULTIPLEX DTC (GO TO STEP 5)
- Check for DTC outputs.
- DTC CHECK (OTHER THAN MULTIPLEX DTC)
MALFUNCTION CODE (GO TO STEP 6)
NORMAL CODE (GO TO STEP 7)
- DTC CHART
GO TO STEP 8
- PROBLEM SYMPTOMS TABLE
NEXT
- TERMINALS OF ECU
NEXT
- CIRCUIT INSPECTION
NEXT
- IDENTIFICATION OF PROBLEM
NEXT
- REPAIR OR REPLACE
NEXT
- CONFIRMATION TEST
NEXT: END