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AV-112 < DTC/CIRCUIT DIAGNOSIS > [DISPLAY AUDIO] USB CONNECTOR USB CONNECTOR Diagnosis Procedure INFOID:0000000009681877 Regarding Wiring Diagram information, refer to 1. CHECK USB INTERFACE HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect audio unit connector M44 and USB interface connector M72. 3. Check continuity between audio unit connector M44 and USB interface connector M72. 4. Check continuity between audio unit connector M44 and ground. Is the inspection result normal? YES >> Replace the USB interface. Refer to AV-121, "Removal and Installation" . NO >> Repair or replace harness or connectors. Audio unit USB interface Continuity Connector Terminal Connector Terminal M44 53 M72 4 Yes 54 1 55 2 56 3 57 5 Audio unit — Continuity Connector Terminal M44 53 Ground No 55 |