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AV POWER SUPPLY AND GROUND CIRCUIT AV-111 < DTC/CIRCUIT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P Is the inspection result normal? YES >> GO TO 2. NO >> Be sure to eliminate the cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT Check voltage between multifunction switch harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Check harness between multifunction switch and fuse. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect multifunction switch connector. 3. Check continuity between multifunction switch harness connector and ground. Is the inspection result normal? YES >> INSPECTION END NO >> Repair harness or connector. BOSE AMP. BOSE AMP. : Diagnosis Procedure INFOID:0000000005528511 1. CHECK FUSE Check for blown fuses. Is the inspection result normal? YES >> GO TO 2. NO >> Be sure to eliminate the cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT Check voltage between BOSE amp. harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Check harness between BOSE amp. and fuse. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BOSE amp. connector. 3. Check continuity between BOSE amp. harness connector and ground. Power source Fuse No. Ignition switch ACC or ON 19 Signal name Connector No. Terminal No. Ignition switch position Value (Approx.) ACC power supply M125 3 ACC Battery voltage Signal name Connector No. Terminal No. Ignition switch position Continuity Ground M125 1 OFF Existed Power source Fuse No. Battery 23, 24 Signal name Connector No. Terminal No. Ignition switch position Value (Approx.) Battery power supply B224 10 OFF Battery voltage 11 |