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Power Supply and Ground Circuit Inspection

  1. CHECK POWER SUPPLY CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect Intelligent Key unit connector.
    3. Check voltage between Intelligent Key unit harness connector M42 terminals 6, 11 and ground.
      Connector Terminals Ignition switch position
      M42 (+) (-) OFF ON
      6 Ground 0V Battery voltage
      11 Battery voltage Battery voltage
      Fig 1: Checking Power Supply Circuit
      G04916798Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: GO TO 2.

      NG: Repair or replace Intelligent Key power supply circuit.

  2. CHECK GROUND CIRCUIT

    Check continuity between Intelligent Key unit harness connector M42 terminal 12 and ground.

    12 - Ground: Continuity should exist  .

    Fig 2: Checking Ground Circuit
    G04916799Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: Power supply and ground circuits are OK.

    NG: Repair or replace the Intelligent Key unit ground circuit.