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Trouble Diagnoses SYMPTOM CHART Symptom Diagnoses service procedure Rear window defogger and door mirror defogger do not activate. 1. Check time control unit power supply and ground circuit. Rear window defogger or door mirror defogger do not activate. 1. Check fuse (No. 14, No. 15 or No. 1). Rear window defogger and door mirror defogger do not go off 1. Check time control unit power supply and ground circuit. POWER SUPPLY AND GROUND CIRCUIT CHECK Main power supply circuit check Terminals Ignition switch position ! @ OFF ACC ON U09 Ground Battery Battery Battery U01 Ground — — Battery Ground circuit check Terminals Continuity U16 - Ground Yes YEL888E YEL300D REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER EL-128 |