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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISBODY & FRAMEEXTERIOR BODY PANELSBODY, LOCK & SECURITY SYSTEMINTELLIGENT KEY SYSTEMCHECK DETENTION SWITCH
2006 Infiniti FX35 AWD

Check Detention Switch

2006 Infiniti FX35 AWDSECTION Check Detention Switch
  1. CHECK DETENTION SWITCH INPUT SIGNAL 
    1. Turn ignition knob LOCK position.
    2. Check voltage between Intelligent Key unit connector and ground.
      CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS

      Connector Terminal (Wire color) Condition Voltage (V) (Approx.)
      (+) (-)
      M34 39 (R/Y) Ground When selector lever is locked at the "P" position 0
      When selector lever is not locked at the "P" position Battery voltage

    OK or NG 

    OK : Door switch circuit is OK.

    NG : GO TO 2.

    Fig 1: Identifying Voltage Between Intelligent Key Unit Connector And Ground
    G04077084Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK DETENTION SWITCH CIRCUIT 
    1. Disconnect A/T device (detention switch) connector.
    2. Check voltage between A/T device (detention switch) connector M67 terminal 3 (R/Y) and ground. (Check harness for open.)

      3 (R/Y) - Ground : Battery voltage 

      Fig 2: Identifying Voltage Between A/T Device Connector M67 Terminal 3 (R/Y) And Ground
      G04077085Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between A/T device (detention switch) connector M67 terminals 3 (R/Y) and ground. (Check harness for short.)

      3 (R/Y) - Ground : Continuity should not exist. 

      Fig 3: Identifying Continuity Between A/T Device Connector M67 Terminals 3 (R/Y) And Ground
      G04077086Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : GO TO 3.

    NG : Repair or replace harness.

  3. CHECK DETENTION SWITCH 

    Check continuity between A/T device (detention switch) terminals 2 and 3.

    CONTINUITY SPECIFICATIONS

    Terminal Condition Continuity
    2 3 When selector lever is not locked at the "P" position No
    When selector lever is locked at the "P" position Yes

    OK or NG 

    OK : GO TO 4.

    NG : Replace back A/T device (detention switch).

    Fig 4: Identifying Continuity Between A/T Device Terminals 2 And 3
    G04077087Courtesy of NISSAN MOTOR CO., U.S.A.
  4. DETENTION SWITCH GROUND CIRCUIT INSPECTION 

    Check continuity between A/T device (detention switch) connector M67 terminal 2 (B) and ground.

    2 (B) - Ground : Continuity should exist. 

    Fig 5: Identifying Continuity Between A/T Device Connector M67 Terminal 2 (B) And Ground
    G04077088Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK : Check harness connection.

    NG : Repair or replace harness.

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.