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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESLAN SYSTEMTROUBLE DIAGNOSIS FOR SYSTEMINTELLIGENT KEY UNIT CIRCUIT INSPECTION
2006 Infiniti FX35 AWD

Intelligent Key Unit Circuit Inspection

2006 Infiniti FX35 AWDSECTION Intelligent Key Unit Circuit Inspection
  1. CHECK CONNECTOR 
    1. Turn ignition switch OFF.
    2. Disconnect the battery cable from the negative terminal.
    3. Check terminals and connector of Intelligent Key unit for damage, bend and loose connection (unit side and harness side).

    OK or NG 

    OK : GO TO 2.

    NG : Repair terminal or connector.

  2. CHECK HARNESS FOR OPEN CIRCUIT 
    1. Disconnect Intelligent Key unit connector.
    2. Check resistance between Intelligent Key unit harness connector terminals.
      TERMINAL RESISTANCE CHART

      Intelligent Key unit connector Terminals Resistance (Approx.)
      M34 2 3 54 - 66 Ω
      Fig 1: Identifying Resistance Between Intelligent Key Unit Harness Connector Terminals
      G04079046Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Replace Intelligent Key unit.

    NG : Repair harness between Intelligent Key unit and data link connector.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.