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AV MICROPHONE SIGNAL CIRCUIT AV-591 < DTC/CIRCUIT DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] C D E F G H I J K L M B A O P Is the inspection result normal? YES >> Replace AV control unit. Refer to AV-610, "Removal and Installation" . NO >> Replace microphone. Refer to AV-626, "Removal and Installation" . Probe Condition Standard Reference value (+) ( − ) AV control unit Connector Terminal Connector Terminal M180 87 M180 71 Give a voice. Waveform according to PKIB5037J |