How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Use this procedure to troubleshoot the front power seat control system with memory function.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CHECK (SEE CUSTOMER PROBLEM ANALYSIS CHECK )
PROBLEM SYMPTOM SIMULATION
SYMPTOM DOES NOT OCCUR (GO TO STEP 4 )

SYMPTOM OCCURS (GO TO STEP 6 )
SYMPTOM SIMULATION (see SYMPTOM SIMULATION )
OVERALL ANALYSIS AND TROUBLESHOOTING
1. See ON-VEHICLE INSPECTION
2. See TERMINALS OF ECU
3. Circuit inspection (See ECU POWER SOURCE CIRCUIT - DOOR COURTESY SWITCH CIRCUIT )
SEE PROBLEM SYMPTOMS TABLE
ADJUST, REPAIR OR REPLACE
CONFIRMATION TEST
NEXT: END