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LAN PWBD BRANCH LINE CIRCUIT LAN-231 < DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 7)] C D E F G H I J K L B A O P N PWBD BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000011506816 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 automatic back door control module 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 automatic back door control module. 2. Check the resistance between the automatic back door control module harness connector terminals. Is the measurement value within the specification? YES >> GO TO 3. NO >> Repair the automatic back door control module branch line. 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the automatic back door control module. Refer to "AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure" Is the inspection result normal? YES (Present error)>>Replace the automatic back door control module. Refer to YES (Past error)>>Error was detected in the automatic back door control module branch line. NG >> Repair the power supply and the ground circuit. Automatic back door control module harness connector Resistance ( Ω) Connector No. Terminal No. B55 24 12 Approx. 54 – 66 |