How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
- VEHICLE BROUGHT TO WORKSHOP
- CUSTOMER PROBLEM ANALYSIS
- CHECK BODY MULTIPLEX COMMUNICATION SYSTEM
- Check for DTC output.
HINT:
See DTC CHECK/CLEAR .
- MULTIPLEX DTC OUTPUT (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM")
- NO MULTIPLEX DTC (GO TO STEP 4)
- CHECK CAN COMMUNICATION SYSTEM
- Check for DTC output.
HINT:
See SYSTEM DESCRIPTION .
- CAN DTC OUTPUT (PROCEED TO "CAN COMMUNICATION SYSTEM")
- NO CAN DTC (GO TO STEP 5)
- PROBLEM SYMPTOM CONFIRMATION
- PROBLEM SYMPTOMS TABLE
HINT:
See PROBLEM SYMPTOMS TABLE .
- CIRCUIT INSPECTION
- REPAIR OR REPLACE
- CONFIRMATION TEST
END