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PCS-116 < DTC/CIRCUIT DIAGNOSIS > [POWER DISTRIBUTION SYSTEM] AV CONTROL UNIT AV CONTROL UNIT Diagnosis Procedure INFOID:0000000010434075 1. CHECK FUNCTION 1. Turn ignition switch OFF. 2. Disconnect audio unit or NAVI control unit connector. 3. Turn ignition switch ON. 4. Select "INTELLIGENT KEY" of "BCM" using CONSULT. 5. Select "AUTO ACC 2" in "ACTIVE TEST" mode. 6. Check continuity between audio unit or NAVI control unit harness conector and ground. Without NAVI models With NAVI models Is the inspection normal? YES >> Refer to GI-41, "Intermittent Incident" . NO >> GO TO 2. 2. CHECK BCM OUTPUT CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BCM connector. 3. Check continuity between BCM harness connector and audio unit or NAVI control unit connector. Without NAVI models With NAVI models 4. Check continuity between BCM harness connector and ground. Is the inspection normal? YES >> Replace BCM. Refer to BCS-132, "Removal and Installation" . NO >> Repair or replace harness. (+) (–) Voltage (Approx.) Audio unit Connector Terminal M10: Without display audio 44 Ground 3.15 V M11: With display audio 27 (+) (–) Voltage (Approx) NAVI control unit Connector Terminal M48 7 Ground 3.15 V BCM Audio unit Continuity Connector Terminal Connector Terminal M69 106 M10: Without display audio 44 Existed M11: With display audio 27 BCM Audio unit Continuity Connector Terminal Connector Terminal M69 106 M48 7 Existed BCM — Continuity Connector Terminal M69 106 Ground Not existed |