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LAN BCM BRANCH LINE CIRCUIT LAN-61 < DTC/CIRCUIT DIAGNOSIS > [CAN] C D E F G H I J K L B A O P N BCM BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000012200535 1. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES >> GO TO 2. NO >> Repair the terminal and connector. 2. CHECK HARNESS FOR OPEN CIRCUIT 1. Disconnect the connector of BCM. 2. Check the resistance between the BCM harness connector terminals. Is the measurement value within the specification? YES >> GO TO 3. NO >> Repair the BCM branch line. 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the BCM. Refer to Is the inspection result normal? YES (Present error)>>Replace the BCM. Refer to BCS-94, "Removal and Installation" . YES (Past error)>>Error was detected in the BCM branch line. NO >> Repair the power supply and the ground circuit. BCM harness connector Resistance ( Ω) Connector No. Terminal No. M68 39 40 Approx. 108 – 132 |