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LAN AV BRANCH LINE CIRCUIT LAN-133 < DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)] C D E F G H I J K L B A O P N AV BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000009715248 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 AV control unit 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 AV control unit. 2. Check the resistance between the AV control unit harness connector terminals. - Mid audio system with BOSE audio system - Mid audio system without BOSE audio system - With premium audio system Is the measurement value within the specification? YES >> GO TO 3. NO >> Repair the AV control unit branch line. 3. CHECK POWER SUPPLY AND GROUND CIRCUIT Check the power supply and the ground circuit of the AV control unit. Refer to the following. • Mid audio without BOSE: AV-144, "AV CONTROL UNIT : Diagnosis Procedure" • Mid audio with BOSE: AV-305, "AV CONTROL UNIT : Diagnosis Procedure" • Premium audio with navigation: AV-549, "AV CONTROL UNIT : Diagnosis Procedure" Is the inspection result normal? YES (Present error)>>Replace the AV control unit. Refer to the following. • Mid audio without BOSE: AV-187, "Removal and Installation" • Mid audio with BOSE: AV-365, "Removal and Installation" • Premium audio with navigation: AV-611, "Removal and Installation" YES (Past error)>>Error was detected in the AV control unit branch line. NO >> Repair the power supply and the ground circuit. AV control unit harness connector Resistance ( Ω) Connector No. Terminal No. M42 11 12 Approx. 54 – 66 AV control unit harness connector Resistance ( Ω) Connector No. Terminal No. M124 11 12 Approx. 54 – 66 AV control unit harness connector Resistance ( Ω) Connector No. Terminal No. M163 78 62 Approx. 54 – 66 |