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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISBODY & FRAMEEXTERIOR BODY PANELSBODY, LOCK & SECURITY SYSTEMBACK DOOR AUTO CLOSURE SYSTEMCHECK BACK DOOR OPENER SWITCH (WITHOUT INTELLIGENT KEY)
2006 Infiniti FX35 AWD

Check Back Door Opener Switch (Without Intelligent Key)

2006 Infiniti FX35 AWDSECTION Check Back Door Opener Switch (Without Intelligent Key)
  1. CHECK BACK DOOR OPENER SWITCH SIGNAL 
    1. Turn ignition switch OFF.
    2. Check voltage between back door closure control unit connector and ground.
      CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS

      Connector Terminals (Wire color) Condition Voltage (V) (Approx.)
      (+) (-)
      D106 6 (Y) Ground Back door opener switch : ON 0
      Back door opener switch : OFF 5
      Fig 1: Identifying Voltage Between Back Door Closure Control Unit Connector And Ground
      G04077175Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Back door opener switch is OK.

    NG : GO TO 2.

  2. CHECK HARNESS CONTINUITY 
    1. Disconnect back door closure control unit and back door opener switch connector.
    2. Check continuity between back door closure control unit connector D106 terminal 6 and back door opener switch connector D112 terminal 1.

      6 (Y) - 1 (Y) : Continuity should exist. 

    OK or NG 

    OK : GO TO 3.

    NG : Repair or replace harness between back door closure control unit and back door opener switch.

    Fig 2: Identifying Continuity Between Back Door Closure Control Unit Connector D106 Terminal 6 And Back Door Opener Switch Connector D112 Terminal 1
    G04077176Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK GROUND CIRCUIT 

    Check continuity between back door opener switch connector D112 terminal 2 and ground.

    2 (B) - Ground : Continuity should exist. 

    OK or NG 

    OK : GO TO 4.

    NG : Repair or replace harness.

    Fig 3: Identifying Continuity Between Back Door Opener Switch Connector D112 Terminal 2 And Ground
    G04077177Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK BACK DOOR OPENER SWITCH 

    Check continuity between back door opener switch terminals 1 and 2.

    CONTINUITY SPECIFICATIONS

    Terminals Condition Continuity
    1 2 Back door opener switch: ON Yes
    Back door opener switch: OFF No

    OK or NG 

    OK : GO TO 5.

    NG : Replace back door opener switch.

    Fig 4: Identifying Continuity Between Back Door Opener Switch Terminals 1 And 2
    G04077178Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK BACK DOOR CLOSURE CONTROL UNIT OUTPUT SIGNAL 
    1. Connect back door closure control unit connector.
    2. Check voltage between back door closure control unit connector D106 terminal 6 and ground.

      6 (Y) - Ground : Approx. 5V 

    OK or NG 

    OK : Check condition of harness and connector.

    NG : Replace back door closure control unit.

    Fig 5: Identifying Voltage Between Back Door Closure Control Unit Connector D106 Terminal 6 And Ground
    G04077179Courtesy of NISSAN MOTOR CO., U.S.A.
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.