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DEF-16 < DTC/CIRCUIT DIAGNOSIS > REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER Description INFOID:0000000009722504 Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window Component Function Check INFOID:0000000009722505 1. CHECK REAR WINDOW DEFOGGER 1. Perform Active Test (“REAR DEFOGGER”) with CONSULT. 2. Touch “ON”. 3. Check that the rear window heating wire is getting warmer. Is the inspection result normal? YES >> Rear window defogger is OK. NO >> Refer to . Diagnosis Procedure INFOID:0000000009722506 1. CHECK FUSE 1. Turn ignition switch OFF. 2. Check the following. - 20A fuse [No.14, located in fuse block (J/B)] - 20A fuse [No.15, located in fuse block (J/B)] Is the inspection result normal? YES >> GO TO 2. NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown. 2. CHECK POWER SUPPLY CIRCUIT 1. Disconnect rear window defogger harness connector. 2. Turn ignition switch ON. 3. Check voltage between rear window defogger connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 4. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Check continuity between rear window defogger harness connector and ground. Is the inspection result normal? YES >> GO TO 6. NO >> Repair or replace harness or connector between rear window defogger and ground. 4. CHECK FUSE BLOCK (J/B) (+) (-) Condition of rear window defogger switch Voltage (V) (Approx.) Rear window defogger Connector Terminal D184 1 Ground ON Battery voltage OFF 0 Rear window defogger Ground Continuity Connector Terminal D185 2 Existed |