How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
- VEHICLE BROUGHT TO WORK SHOP
- CUSTOMER PROBLEM ANALYSIS (See CUSTOMER PROBLEM ANALYSIS CHECK )
- CHECK BODY MULTIPLEX COMMUNICATION SYSTEM See HOW TO PROCEED WITH TROUBLESHOOTING
- Check that the DTC outputs.
DTC OUTPUTS (PROCEED TO "BODY MULTI-PLEX COMMUNICATION SYSTEM")
DTC DOES NOT OUTPUT (GO TO STEP 4)
- DTC CHECK (See
PRE-CHECK )
MALFUNCTION CODE (GO TO STEP 5)
NORMAL CODE (GO TO STEP 6 )
- DTC CHART (See
DIAGNOSTIC TROUBLE CODE CHART )
Go: To Step 8
- PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
- TERMINAL OF ECU (See TERMINALS OF ECU )
- CIRCUIT INSPECTION (See CIRCUIT DESCRIPTION - See LIGHT AUTO TURN OFF SYSTEM LIGHT DOES NOT OPERATE )
- IDENTIFICATION OF PROBLEM
- REPAIR OR REPLACE
- CONFIRMATION TEST
END