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Home >> Infiniti >> 2012 >> QX56 RWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Power Outlet (Ac 120 V Outlet) >> DTC/Circuit Diagnosis >> Ac 120 V Outlet Main Switch Power Supply Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUSE

    Check that the following fuse is not blown:

    Signal name Fuse No.
    Ignition power supply 3

    Is the fuse fusing? 

    YES: Replace the blown fuse after repairing the affected circuit if a fuse is blown.

    NO: GO TO 2.

  2. CHECK POWER SUPPLY FOR AC 120 V OUTLET MAIN SWITCH
    1. Turn ignition switch ON.
    2. Check for voltage between the AC 120 V main switch harness connector and ground.
      Terminals Condition Voltage (Approx.)
      (+) (-)
      AC 120 V outlet main switch Ground Ignition switch
      Connector Terminal
      M144 1 OFF 0 V
      ON 12 V

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Repair the AC 120 V main switch power supply circuit.

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