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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISBODY & FRAMEEXTERIOR BODY PANELSBODY, LOCK & SECURITY SYSTEMBACK DOOR AUTO CLOSURE SYSTEMCHECK BACK DOOR OPENER SWITCH (WITH INTELLIGENT KEY)
2006 Infiniti FX35 AWD

Check Back Door Opener Switch (With Intelligent Key)

2006 Infiniti FX35 AWDSECTION Check Back Door Opener Switch (With 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 (LG) Ground Back door opener switch : ON 0
      Back door opener switch : OFF 5

    OK or NG 

    OK : Back door opener switch is OK.

    NG : GO TO 2.

    Fig 1: Identifying Voltage Between Back Door Closure Control Unit Connector And Ground
    G04077169Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK HARNESS 1 
    1. Disconnect Intelligent Key unit and back door closure control unit connector.
    2. Check continuity between Intelligent Key unit connector M34 terminal 23 and back door closure control unit connector D106 terminal 6.

      23 (L/Y) - 6 (LG) : Continuity should exist. 

    3. Check continuity between Intelligent Key unit connector M34 terminal 23 and ground.

      23 (L/Y) - Ground : Continuity should not exist. 

      Fig 2: Identifying Continuity Between Intelligent Key Unit Connector M34 Terminal 23 And Ground
      G04077170Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Replace or repair malfunction harness.

  3. CHECK HARNESS 2 
    1. Disconnect Intelligent Key unit and back door opener switch connector.
    2. Check continuity between Intelligent Key unit connector M34 terminal 24 and back door opener switch connector D112 terminal 1.

      24 (P) - 1 (Y) : Continuity should exist. 

    3. Check continuity between Intelligent Key unit connector M34 terminal 24 and ground.

      24 (P) - Ground : Continuity should not exist. 

      Fig 3: Identifying Continuity Between Intelligent Key Unit Connector M34 Terminal 24 And Ground
      G04077171Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 4.

    NG : Replace or repair malfunction harness.

  4. CHECK BACK DOOR OPENER SWITCH 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 5.

    NG : Repair or replace harness.

    Fig 4: Identifying Continuity Between Back Door Opener Switch Connector D112 Terminal 2 And Ground
    G04077172Courtesy of NISSAN MOTOR CO., U.S.A.
  5. 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 6.

    NG : Replace back door opener switch.

    Fig 5: Identifying Continuity Between Back Door Opener Switch Terminals 1 And 2
    G04077173Courtesy of NISSAN MOTOR CO., U.S.A.
  6. 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 (LG) - Ground : Approx. 5V 

    OK or NG 

    OK : Replace Intelligent Key unit.

    NG : Replace back door closure control unit.

    Fig 6: Identifying Voltage Between Back Door Closure Control Unit Connector D106 Terminal 6 And Ground
    G04077174Courtesy 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.