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VEHICLE INFORMATION AND INTEGRATED SWITCH SYSTEM /WITHOUT NAVIGATION SYSTEM DI-119 C D E F G H I J L M A B DI Power Supply and Ground Circuit Inspection for AV Control Unit EKS006E1 1. CHECK FUSE Check AV control unit fuses are not blown. OK or NG OK >> GO TO 2. NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to 2. CHECK POWER SUPPLY CIRCUIT 1. Disconnect AV control unit connector. 2. Check voltage between AV control unit and ground. OK or NG OK >> GO TO 3. NG >> Check harness for open or short between AV control unit and fuse. 3. CHECK GROUND CIRCUIT Check continuity between AV control unit harness connector M78 OK or NG OK >> Inspection end. NG >> Repair harness or connector. Unit Power source Fuse No. AV control unit Battery power 47 Ignition switch ACC or ON 21 Terminals Ignition switch position (+) (-) OFF ACC ON Connector Terminal (Wire color) M78 2 (SB) Ground Battery Battery Battery 3 (SB) Ground Battery Battery Battery 6 (L/OR) Ground 0V Battery Battery SKIA3607E Continuity should exist. SKIA3608E |