How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2008 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The Techstream can be used at steps 4, 5, 6, and 12.
- VEHICLE BROUGHT TO WORKSHOP
- CUSTOMER PROBLEM ANALYSIS
- 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 SYSTEM "
NO MULTIPLEX DTC (GO TO STEP 5)
- 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
- TERMINALS OF ECU
- CIRCUIT INSPECTION
- IDENTIFICATION OF PROBLEM
- REPAIR OR REPLACE
- CONFIRMATION TEST
NEXT : END