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AV MICROPHONE SIGNAL CIRCUIT AV-183 < DTC/CIRCUIT DIAGNOSIS > [AUDIO W/O NAVI (FOR MEXICO)] 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-192, "Removal and Installation" . NO >> Replace microphone. Refer to AV-197, "Removal and Installation" . AV control unit connector M151 Condition Reference value (+) ( −) Terminal Terminal 53 54 Speak into microphone. PKIB5037J |