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AV-16 < COMPONENT DIAGNOSIS > [BASE AUDIO] POWER SUPPLY AND GROUND CIRCUIT 2. POWER SUPPLY CIRCUIT CHECK 1. Turn ignition switch OFF. 2. Disconnect satellite radio tuner (factory installed) connector B123. 3. Check voltage between the satellite radio tuner (factory installed) and ground. Are the voltage results 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. Unit Terminal No. OFF ACC ON (+) (-) Connector Terminal Satellite B123 32 Ground Battery Battery Battery 36 Ground 0V Battery Battery WKIA4539E |