How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Brought to Workshop
- Customer Problem Analysis (See CUSTOMER PROBLEM ANALYSIS CHECK )
- Check multiplex communication system (See MULTIPLEX COMMUNICATION SYSTEM
)
- Check the DTC output.
- DTC outputs (Proceed to MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSTICS
- DTC does not output (Go to step 4 )
- Problem Symptom Confirmation (See PROBLEM SYMPTOMS TABLE )
- Circuit Inspection (See MALFUNCTION IN SPEEDOMETER - SEAT BELT WARNING LAMP FOR DRIVER'S SEAT DOES NOT OPERATE )
- Repair or Replace
- Confirmation Test
- End