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Home >> Infiniti >> 2005 >> FX45 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Intelligent Key System >> Check Detention Switch

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.
    Fig 1: Connector Terminal Reference Chart
    G02362361Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Checking Voltage Between Intelligent Key Unit Connector And Ground
    G02362362Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Door switch circuit is OK.
    2. NG : GO TO 2.
  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.)
      1. 3 (R/Y) - Ground : Battery voltage 
      Fig 3: Checking Voltage Between A/T Device (Detention Switch) Connector M67 Terminal 3 (R/Y) And Ground
      G02362363Courtesy 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.)
      1. 3 (R/Y) - Ground : Continuity should not exist. 
    Fig 4: Checking Continuity Between A/T Device (Detention Switch) Connector M67 Terminals 3 (R/Y) And Ground
    G02362364Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : GO TO 3.
    2. NG : Repair or replace harness.
  3. CHECK DETENTION SWITCH 

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

    Fig 5: Connector Terminal Reference Chart
    G02362365Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 6: Checking Continuity Between A/T Device (Detention Switch) Terminals 2 And 3
    G02362366Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : GO TO 4.
    2. NG : Replace back A/T device (detention switch).
  4. DETENTION SWITCH GROUND CIRCUIT INSPECTION 

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

    1. 2 (B) - Ground : Continuity should exist. 
    Fig 7: Checking Continuity Between A/T Device (Detention Switch) Connector M67 Terminal 2 (B) And Ground
    G02362367Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Check harness connection.
    2. NG : Repair or replace harness.