DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerRear window defogger and door mirror defogger do not
operate
Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
2. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay
3. CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown.
4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIR ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
3.BASIC INSPECTION
Check the operation of each part. Check that any concerns oc ...
Turn signal and hazard warning lamp system
Wiring Diagram
...