How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Brought to Workshop
- GO TO NEXT STEP
- Customer Problem Analysis (See
CUSTOMER PROBLEM ANALYSIS CHECK )
- GO TO NEXT STEP
- Check multiplex communication system (See
HOW TO PROCEED WITH TROUBLESHOOTING
)
- Check that the DTC output.
- DTC outputs (Proceed to "BODY MULTIPLEX COMMUNICATION SYSTEM")
- DTC does not output (Go to step 4)
- Problem Symptom Confirmation (See
PROBLEM SYMPTOMS TABLE )
- GO TO NEXT STEP
- Circuit Inspection (See
MALFUNCTION IN SPEED METER - COMPASS DOES NOT FUNCTION )
- GO TO NEXT STEP
- Repair or Replace
- GO TO NEXT STEP
- Confirmation Test
- End