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AV-172 < DTC/CIRCUIT DIAGNOSIS > [NAVIGATION WITHOUT BOSE] POWER SUPPLY AND GROUND CIRCUIT POWER SUPPLY AND GROUND CIRCUIT AV CONTROL UNIT INFOID:0000000011276871 Regarding Wiring Diagram information, refer to . 1. CHECK FUSE Check that the following fuses are not blown: Are the fuses blown? YES >> Replace the blown fuse after repairing the affected circuit. NO >> GO TO 2. 2. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect AV control unit connectors M101 and M102. 3. Check voltage between AV control unit connectors M101 and M102 and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness or connectors. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Check continuity between AV control unit connector M101 and ground. Is the inspection result normal? YES >> Inspection End. NO >> Repair or replace harness or connectors. AROUND VIEW MONITOR CONTROL UNIT INFOID:0000000011276872 Regarding Wiring Diagram information, refer to . 1. CHECK FUSE Check that the following fuses are not blown: Terminal No. Signal name Fuse No. 19 Battery power supply 16 (20A) 40 Ignition power supply 30 (10A) AV control unit Ground Condition Voltage (Approx.) Connector Terminal M101 19 — Ignition switch: OFF Battery voltage M102 40 Ignition switch: ON AV control unit Ground Continuity Connector Terminal M101 20 — Yes |