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5 RGB SIGNAL CHECK 1. Connect AV and NAVI control unit connector and Display connector. YEL388E 2. Turn the ignition switch ON. I When the screen looks bluish MTBL1737 I When the screen looks reddish MTBL1738 I When the screen looks yellowish MTBL1739 OK or NG OK © Replace the display unit. NG © Replace AV and NAVI control unit. GI MA EM LC EC FE CL MT AT AX SU BR ST RS BT HA SC IDX NAVIGATION SYSTEM Trouble Diagnoses (Cont’d) EL-433 |