How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2008 Lexus IS F. 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 (See
DIAGNOSIS SYSTEM
)
Result
RESULT CHARTResult Proceed to No DTC is output A DTC is output B
A: GO TO STEP 4
B: GO TO MULTIPLEX COMMUNICATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )
- Check for DTC output (See
DIAGNOSIS SYSTEM
)
- CHECK CAN COMMUNICATION SYSTEM
- Check for DTC output (See
DIAGNOSIS SYSTEM
)
Result
RESULT CHARTResult Proceed to No DTC is output A DTC is output B
A: GO TO STEP 5
B: GO TO CAN COMMUNICATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )
- Check for DTC output (See
DIAGNOSIS SYSTEM
)
- PROBLEM SYMPTOM CONFIRMATION
- PROBLEM SYMPTOMS TABLE
- Refer to PROBLEM SYMPTOMS TABLE
- CIRCUIT INSPECTION
- REPAIR OR REPLACE
- CONFIRMATION TEST
NEXT: END