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AV-164 < COMPONENT DIAGNOSIS > [BOSE AUDIO WITHOUT NAVIGATION] POWER SUPPLY AND GROUND CIRCUIT Is inspection result OK? YES >> GO TO 2. NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT Check voltage between TEL adapter unit harness connector and ground. Is inspection result OK? YES >> GO TO 3. NO >> Check harness between TEL adapter unit and fuse. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect TEL adapter unit connector. 3. Check continuity between TEL adapter unit harness connector and ground. Is inspection result OK? YES >> INSPECTION END NO >> Repair harness or connector. BOSE AMP. BOSE AMP. : Diagnosis Procedure INFOID:0000000000964663 1. CHECK FUSE Check for blown fuses. Is inspection result OK? YES >> GO TO 2. NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT Check voltage between BOSE amp. harness connector and ground. Is inspection result OK? YES >> GO TO 3. NO >> Check harness between BOSE amp. and fuse. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. Ignition switch ACC or ON 19 Ignition switch ON or START 3 Power source Fuse No. Signal name Connector No. Terminal No. Ignition switch position Value (Approx.) Battery power supply B237 1 OFF 12 V ACC power supply B237 2 ACC 12 V Ignition signal B237 3 ON 12 V Signal name Connector No. Terminal No. Ignition switch position Continuity Ground B237 4, 14, 19, 23, 24 OFF Continuity should exist. Power source Fuse No. Battery 5, 8 Signal name Connector No. Terminal No. Ignition switch position Value (Approx.) Battery power supply B42 10 OFF 12 V 11 |