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 WORK SHOP
- GO TO NEXT STEP
- CUSTOMER PROBLEM ANALYSIS (See CUSTOMER PROBLEM ANALYSIS CHECK
)
- GO TO NEXT STEP
- CHECK BODY MULTIPLEX COMMUNICATION SYSTEM (See MULTIPLEX COMMUNICATION SYSTEM
)
- Check for the DTC outputs.
- DTC OUTPUTS (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM")
- DTC DOES NOT OUTPUT (GO TO STEP 4 )
- DTC CHECK (See PRE-CHECK )
- (See DIAGNOSTIC TROUBLE CODE TABLE
)
- GO TO STEP 8
- (See PROBLEM SYMPTOMS TABLE
)
- GO TO NEXT STEP
- (See TERMINALS OF ECU
)
- GO TO NEXT STEP
- CIRCUIT INSPECTION (See DTC B1244 LIGHT SENSOR CIRCUIT MALFUNCTION THROUGH ILLUMINATION CIRCUIT )
- IDENTIFICATION OF PROBLEM
- GO TO NEXT STEP
- REPAIR OR REPLACE
- GO TO NEXT STEP
- CONFIRMATION TEST
- END