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REAR WINDOW DEFOGGER GW-71 C D E F G H J K L M A B GW 4. CHECK REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER RELAY GROUND HARNESS 1. Turn ignition switch ON. 2. Turn rear window defogger switch OFF. 3. Installation rear window defogger and door mirror defogger relay. 4. Check voltage between BCM connector B4 terminal 144 and ground. OK or NG OK >> GO TO 5. NG >> GO TO 6. 5. CHECK HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect condenser and rear window defogger remove door mirror defogger relay connectors. 3. Check continuity between condenser B25 terminal 1 and rear OK or NG OK >> Check the condition of the harness and the connector. NG >> Repair or replace harness between condenser and rear window defogger and door mirror defogger relay. 6. CHECK BCM HARNESS 1. Turn ignition switch OFF. 2. Disconnect BCM and rear window defogger and door mirror defogger relay connectors. 3. Check continuity between BCM connector B4 terminal 144 and rear window defogger and door mirror OK or NG OK >> Check the condition of the harness and the connector. NG >> Repair or replace harness between BCM and rear win- dow defogger and door mirror defogger relay. 144 (G/W) – Ground : Battery voltage PIIA0211E 1 (LR) – 7 (L/R) :Continuity should exist. PIIA3520E 144 (G/W) – 2 (G/W) :Continuity should exist. PIIA3516E |