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AV POWER SUPPLY AND GROUND CIRCUIT AV-225 < DTC/CIRCUIT DIAGNOSIS > [PREMIUM WITH NAVIGATION] C D E F G H I J K L M B A O P 1. CHECK FUSE Make sure the following fuses of the display control unit are not blown. Are fuses OK? YES >> GO TO 2. NO >> If fuse is blown, be sure to eliminate cause of blown fuse before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT 1. Disconnect display control unit connector M94. 2. Check voltage between connector terminals and ground as fol- lows. Are voltage readings as specified? YES >> GO TO 3. NO >> Check harness for open between display control unit and fuse. 3. CHECK GROUND CIRCUIT Check continuity between the following display control unit connec- tor terminals and ground. Is continuity present? YES >> Inspection End. NO >> Repair or replace harness. AV SWITCH INFOID:0000000006166579 Regarding Wiring Diagram information, refer to AV-285, "Wiring Diagram - With Navigation System" 1. CHECK FUSE Check that the fuses for the AV switch are not blown. Connector Terminal Signal name Fuse No. M94 1 Battery 31 10 ACC/ON 4 12 ON/START 4 (+) (–) OFF ACC ON Connector Terminal M94 1 Ground Battery Battery Battery 10 0V Battery Battery 12 0V 0V Battery ALNIA0758GB Connector Terminal — Continuity M94 3 Ground Yes AWNIA1570ZZ |