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INTEGRATED DISPLAY SYSTEM AV-99 C D E F G H I J L M A B AV Revision: 2004 November 2004 Murano 2. CHECK AUDIO UNIT 1. Connect audio unit connector. 2. Turn ignition switch ON. 3. Check voltage between audio unit harness connector M46 ter- OK or NG OK >> GO TO 3. NG >> Replace audio unit. 3. CHECK DISPLAY UNIT 1. Turn ignition switch OFF. 2. Disconnect audio unit connector, and connect display unit connector. 3. Turn ignition switch ON. 4. Check voltage between display unit harness connector M39 ter- OK or NG OK >> GO TO 4. NG >> Replace display unit. 4. CHECK AUDIO TX COMMUNICATION SIGNAL 1. Turn ignition switch OFF. 2. Connect audio unit connector. 3. Turn ignition switch ON. 4. Check voltage waveform between display unit harness connec- OK or NG OK >> GO TO 5. NG >> Replace display unit. 23 – Ground : Approx. 4V SKIA9484E 10 – Ground : Approx. 4V SKIA9485E 8 – Ground : Refer to and Reference Value for Dis- SKIA4995E |