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LAN AV BRANCH LINE CIRCUIT LAN-333 < COMPONENT DIAGNOSIS > [CAN SYSTEM (TYPE 22)] C D E F G H I J K L B A O P N AV BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000001333860 INSPECTION PROCEDURE 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 NAVI control unit for damage, bend and loose connection (unit 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 NAVI control unit. 2. Check the resistance between the NAVI control unit harness connector terminals. Is the measurement value within the specification? YES >> GO TO 3. NO >> Repair the NAVI control unit branch line. 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the NAVI control unit. Refer to . Is the inspection result normal? YES (Present error)>>Replace the NAVI control unit. Refer to AV-130, "Removal and Installation" YES (Past error)>>Error was detected in the NAVI control unit branch line. >> Repair the power supply and the ground circuit. NAVI control unit harness connector Resistance ( Ω ) Connector No. Terminal No. B68 71 72 Approx. 54 – 66 |