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2 HORIZONTAL SYNCHRONIZATION SIGNAL CHECK 1. Connect AV and NAVI control unit connector and Display connector. SULT-ll. YEL383E 13 (BR)-17: EL-400, “Terminals and Reference Value for AV and NAVI Control Unit” OK or NG OK © GO TO 3. NG © Replace the display unit. 3 RGB AREA SIGNAL CHECK 1. Press “INFO” switch. SULT-ll. YEL384E 12 (R)-17: EL-400, “Terminals and Reference Value for AV and NAVI Control Unit” OK or NG OK © Replace the display unit. NG © Replace AV and NAVI control unit. NAVIGATION SYSTEM Trouble Diagnoses (Cont’d) EL-428 |