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AV U1243 DISPLAY UNIT AV-529 < COMPONENT DIAGNOSIS > [BOSE AUDIO WITH NAVIGATION] C D E F G H I J K L M B A O P 3. Check signal between display unit harness connector and ground. Is inspection result normal? YES >> GO TO 4. NO >> Replace AV control unit. 4. CHECK COMMUNICATION SIGNAL Check signal between display unit harness connector and ground. Is inspection result normal? YES >> INSPECTION END NO >> Replace display unit. (+) ( − ) Signal Display unit Connector Terminal M75 11 Ground PKIB5039J (+) ( − ) Signal Display unit Connector Terminal M75 22 Ground PKIB5039J |