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TROUBLESHOOTING AUTOMATIC AIR CONDITIONER 55B-65 Inspection Procedure 7: The rear window defogger does not work <Vehicles with rear panel power Rear Window Defogger Circuit REAR WINDOW REAR WINDOW REAR WINDOW FUSIBLE IGNITION 20 Wire colour code AC900631 REAR A/C-ECU COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES • Malfunction of the automatic A/C control panel (A/ C-ECU) • Malfunction of the rear panel power window-ECU • Malfunction of the rear window defogger relay • Damaged the wiring harness or connectors • Malfunction of the rear window defogger |