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AV MICROPHONE SIGNAL CIRCUIT AV-407 < COMPONENT DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] C D E F G H I J K L M B A O P Check signal between AV control unit harness connector M48 termi- nals 74 and 75 with CONSULT-III or oscilliscope. Are voltage readings as specified? YES >> Replace AV control unit. Refer to AV-460, "Removal and Installation" . NO >> Replace microphone. Refer to AV-476, "Removal and Installation" . Connector (+) (-) Reference signal Terminal Terminal M48 75 74 While speaking into MIC ALNIA0553GB PKIB5037J 2010 Pathfinder 2010 Pathfinder |