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NAVIGATION SYSTEM AV-71 C D E F G H I J L M A B AV 2. CHECK REVERSE SIGNAL 1. Shift the selector lever to R-position. 2. Check voltage between NAVI control unit harness connector OK or NG OK >> Replace NAVI control unit. NG >> Harness for open or short between NAVI control unit and back-up lamp switch. Navigation System Is Not Operated by NAVI Switch NKS002G9 1. CHECK POWER SUPPLY AND GROUND CIRCUIT (DISPLAY UNIT AND NAVI SWITCH) Check power supply and ground circuit. Refer to AV-67, "Power Supply and Ground Circuit Inspection for Dis- . OK or NG OK >> GO TO 2. NG >> Repair malfunctioning parts. 2. CHECK HARNESS (BETWEEN NAVI SWITCH AND DISPLAY UNIT) 1. Turn ignition switch OFF. 2. Disconnect display unit connector and NAVI switch connector. 3. Check continuity between display unit harness connector M35 4. Check continuity between display unit harness connector M35 OK or NG OK >> GO TO 3. NG >> Repair harness or connector. Terminals Selector lever position Voltage (V) (+) (–) Connector Terminal M58 65 Ground R-position Battery voltage Other than R-position Approx. 0 V SKIB7265E 16 – 5 : Continuity should exist. 20 – 4 : Continuity should exist. 16 – Ground : Continuity should exist. 20 – Ground : Continuity should exist. PKIB3847E |