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REAR FOG LAMP CIRCUIT EXL-349 < DTC/CIRCUIT DIAGNOSIS > [HALOGEN HEADLAMP] C D E F G H I J K M A B EXL N O P REAR FOG LAMP CIRCUIT Component Function Check INFOID:0000000010789872 1. CHECK REAR FOG LAMP OPERATION With CONSULT 1. Select “HEAD LAMP” of “BCM” using CONSULT. 2. Select “RR FOG LAMP” in “Active Test” mode. 3. With operating the test items, check that the rear fog lamp is turned ON. Is the inspection result normal? YES >> Rear fog lamp circuit is normal. NO >> Refer to EXL-349, "Diagnosis Procedure" . Diagnosis Procedure INFOID:0000000010789873 1. CHECK REAR FOG LAMP OUTPUT VOLTAGE With CONSULT 1. Turn ignition switch OFF. 2. Disconnect rear fog lamp connector. 3. Turn ignition switch ON. 4. Select “HEAD LAMP” of “BCM” using CONSULT. 5. Select “RR FOG LAMP” in “Active Test” mode. 6. With operating the test items, check voltage between rear fog lamp harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 2. 2. CHECK REAR FOG LAMP POWER SUPPLY CIRCUIT (OPEN) 1. Turn ignition switch OFF. 2. Disconnect BCM connector. 3. Check continuity between BCM harness connector and rear fog lamp harness connector. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness. 3. CHECK REAR FOG LAMP POWER SUPPLY CIRCUIT (SHORT) Check continuity between BCM harness connector and ground. On : Rear fog lamp ON Off : Rear fog lamp OFF + - Test item Voltage Rear fog lamp Connector Terminal B152 2 Ground RR FOG LAMP On 9 – 16 V Off 0 V BCM Rear fog lamp Continuity Connector Terminal Connector Terminal B46 122 B152 2 Existed |