|
|
LAN-48 < DTC/CIRCUIT DIAGNOSIS > [CAN] AV BRANCH LINE CIRCUIT AV BRANCH LINE CIRCUIT Diagnosis Procedure INFOID:0000000009471943 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. - Models with BOSE audio system - without navigation system - Models with BOSE audio system - with navigation system - Models with MID 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. • Models without BOSE audio with color display: AV-231, "AV CONTROL UNIT : Diagnosis Procedure" • Models with BOSE audio with color display: AV-388, "AV CONTROL UNIT : Diagnosis Procedure" • Models with BOSE audio with color display with navigation system: AV-571, "AV CONTROL UNIT : Diagno- Is the inspection result normal? YES (Present error)>>Replace the AV control unit. Refer to the following. • Models without BOSE audio with color display: AV-311, "Removal and Installation" • Models with BOSE audio with color display: AV-481, "Removal and Installation" • Models with BOSE audio with color display with navigation system: 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. M156 86 87 Approx. 54 – 66 AV control unit harness connector Resistance ( Ω) Connector No. Terminal No. M163 62 46 Approx. 54 – 66 AV control unit harness connector Resistance ( Ω) Connector No. Terminal No. M119 86 87 Approx. 54 – 66 |