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NAVIGATION SYSTEM AV-87 C D E F G H I J L M A B AV 2. HARNESS CHECK 1. Turn the ignition switch OFF. 2. Disconnect AV and NAVI control unit connector and Display connector. 3. Check continuity between AV and NAVI control unit and Display. 4. Check continuity between AV and NAVI control unit and ground. ● When the screen looks bluish ● When the screen looks reddish ● When the screen looks yellowish OK or NG OK >> GO TO 3. NG >> ● Repair harness. ● Check connector housings for disconnected or loose terminals. Terminals Continuity (+) (-) Connector Terminal (wire color) Connector Terminal (wire color) M54 18 (Y) M63 1 (Y) Yes 17 4 Yes Terminals Continuity (+) (-) Connector Terminal (wire color) M54 17, 18 (Y) Ground No MKIB0639E Terminals Continuity (+) (-) Connector Terminal (wire color) Connector Terminal (wire color) M54 21 (W) M63 2 (W) Yes 17 4 Yes Terminals Continuity (+) (-) Connector Terminal (wire color) M54 17, 21 (W) Ground No MKIB0640E Terminals Continuity (+) (-) Connector Terminal (wire color) Connector Terminal (wire color) M54 24 (L) M63 3 (L) Yes 17 4 Yes Terminals Continuity (+) (-) Connector Terminal (wire color) M54 17, 24 (L) Ground No MKIB0641E |