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AV-66 < DTC/CIRCUIT DIAGNOSIS > [MID AUDIO] POWER SUPPLY AND GROUND CIRCUIT Are the continuity results as specified? YES >> Inspection End. NO >> Repair AV control unit ground. DISPLAY UNIT INFOID:0000000007347631 Regarding Wiring Diagram information, refer to 1. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch to ACC. 2. Check voltage between display unit harness connector M93 and ground. Does specified voltage exist? YES >> GO TO 3 NO >> GO TO 2 2. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect the display unit connector M93 and the AV control unit connector M133. 3. Check continuity between the display unit harness connector M93 (A) and the AV control unit connector M133 (B). 4. Check continuity between the display unit harness connector M93 (A) and ground. Are continuity results as specified? YES >> Check AV control unit power and ground supply. Refer to AV-65, "AV CONTROL UNIT : Diagnosis . NO >> Repair harness or connector. (+) (-) Continuity Connector Terminal M131 20 Ground Yes M133 54 M134 68 M135 85 Signal name Connector Terminal Ignition switch position Value (Approx.) Inverter VCC M93 2 ACC 9V Signal VCC 3 ALNIA0317GB A B Continuity Connector Terminal Connector Terminal M93 2 M133 59 Yes 3 47 A — Continuity Connector Terminal M93 2 Ground No 3 ALNIA0318GB August 2012 2012 Pathfinder |