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AV POWER SUPPLY AND GROUND CIRCUIT AV-109 < DTC/CIRCUIT DIAGNOSIS > [PREMIUM WITHOUT NAVIGATION] C D E F G H I J K L M B A O P 2. POWER SUPPLY CIRCUIT CHECK 1. Turn ignition switch OFF. 2. Disconnect satellite radio tuner (factory installed) connector M41. 3. Check voltage between the satellite radio tuner (factory installed) and ground. Are the voltage readings as specified? YES >> GO TO 3. NO >> • Check connector housings for disconnected or loose terminals. • Repair harness or connector. 3. GROUND CIRCUIT CHECK Inspect satellite radio tuner (factory installed) case ground. YES >> Inspection End. NO >> Repair satellite radio tuner (factory installed) case ground. AUDIO AMP INFOID:0000000006166503 Regarding Wiring Diagram information, refer to AV-151, "Wiring Diagram - Without Navigation System" 1. CHECK FUSE Check that the audio amp. fuses are not blown. Are the fuses OK? YES >> GO TO 2. NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect audio amp. connector. 3. Check voltage between audio amp. harness connector M112 and ground. Is battery voltage present? YES >> GO TO 3. NO >> Check harness between audio amp. and fuse. (+) (-) OFF ACC ON Connector Terminal M41 32 Ground Battery Battery Battery 36 0V Battery Battery WKIA4539E Unit Terminal Signal name Fuse No. Audio amp. 1 Battery power 31 17 17 (+) (-) Voltage (approx.) Connector Terminal M112 1 Ground Battery voltage 17 ALNIA0754GB |