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AV U1255 SATELLITE RADIO TUNER AV-49 < COMPONENT DIAGNOSIS > [BASE AUDIO WITHOUT NAVIGATION] C D E F G H I J K L M B A O P 3. CHECK AV CONTROL UNIT VOLTAGE 1. Connect AV control unit connector. 2. Turn ignition switch ON. 3. Check voltage between AV control unit harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> Replace AV control unit. 4. CHECK SATELLITE RADIO TUNER 1. Turn ignition switch OFF. 2. Disconnect AV control unit connector. 3. Connect satellite radio tuner. 4. Turn ignition switch ON. 5. Check voltage between satellite radio tuner harness connector and ground. Is the inspection result normal? YES >> INSPECTION END NO >> Replace satellite radio tuner. (+) ( − ) Voltage (Approx.) AV control unit Connector Terminals M82 28 Ground 7.5 V 29 7.0 V (+) ( − ) Voltage (Approx.) Satellite radio tuner Connector Terminal M236 10 Ground 7.0 V |