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NAVIGATION SYSTEM AV-105 C D E F G H I J L M A B AV Vehicle Condition Setting Is Not Possible EKS001MB 1. HARNESS CHECK 1. Turn ignition switch OFF. 2. Disconnect connectors of combination meter, BCM, and AV and NAVI control unit. 3. Check continuity AV and NAVI control unit and BCM. 4. Check continuity between AV and NAVI control unit and ground. OK or NG OK >> GO TO 2. NG >> ● Check harness between AV and NAVI control unit and BCM for open or short circuit. ● Check connector housings for disconnected or loose terminals. 2. COMMUNICATION SIGNAL (AV-ME) CHECK 1. Connect connectors of combination meter, BCM, and AV and NAVI control unit. 2. Turn ignition switch ON. 3. Check the signal between AV and NAVI control unit harness OK or NG OK >> GO TO 3. NG >> Replace AV and NAVI control unit 3. COMMUNICATION SIGNAL (ME-AV) CHECK 1. Turn ignition switch to ON and display “VEHICLE ELECTRONIC SYSTEMS” screen. 2. Check the signal between AV and NAVI control unit harness OK or NG OK >> Replace AV and NAVI control unit. NG >> Replace BCM. Terminals Continuity AV and NAVI control unit (+) BCM (–) Connector Terminal (Wire color) Connector Terminal (Wire color) B29 33 (LG) M4 31 (LG) YES B29 32 (PU) M4 30 (PU) YES Terminals Continuity AV and NAVI control unit (+) (–) Connector Terminal (Wire color) B29 33 (LG) Ground NO 32 (PU) SKIA3536E 33 (LG) - ground : Refer to and Reference Value for AV SKIA3534E 32 (PU) - ground : Refer to and Reference Value for AV SKIA3535E |