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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1708 (Body, Lock & Security System (Coupe)) >> Intelligent Key System >> Check Park Position Switch
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Check Park Position Switch

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK PARK POSITION SWITCH INPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Check voltage between Intelligent Key unit harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      Connector Terminal (Wire color) Condition Voltage (V) (Approx.)
      (+) (-)
      M75 39 (PU/R) Ground Selector lever is in "P" position 0
      Other than above Battery voltage

    OK or NG 

    OK: Park position switch circuit is OK.

    NG: GO TO 2.

    Fig 1: Identifying Voltage Between Intelligent Key Unit Harness Connector And Ground
    G04182022Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK PARK POSITION SWITCH 
    1. Disconnect A/T device (park position switch) connector.
    2. Check continuity between A/T device (park position switch) terminals 1 and 3.
      TERMINALS CONTINUITY REFERENCE

      Connector Terminal Condition Continuity
      M47 3 1 Selector lever is in "P" position Yes
      Other than above No

    OK or NG 

    OK: GO TO 3.

    NG: Check A/T shift lock system. Refer to "SHIFT CONTROL SYSTEM ".

    Fig 2: Identifying Continuity Between A/T Device Terminals 1 And 3
    G04182023Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK PARK POSITION SWITCH GROUND CIRCUIT 

    Check continuity between A/T device (park position switch) harness connector M47 terminal 1 and ground.

    1 (B) - Ground: Continuity should exist  .

    Fig 3: Identifying Continuity Between A/T Device Connector M47 Terminal 1 And Ground
    G04182024Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: Repair or replace harness.

  4. CHECK PARK POSITION SWITCH CIRCUIT 
    1. Disconnect Intelligent Key unit connector.
    2. Check continuity between Intelligent Key unit harness connector M75 terminal 39 and A/T device (park position switch) harness connector M47 terminal 3.

      39 (PU/R) - 3 (PU/R): Continuity should exist  .

    3. Check continuity between Intelligent Key unit harness connector M75 terminals 39 and ground.

      39 (PU/R) - Ground: Continuity should not exist  .

      Fig 4: Identifying Continuity Between Intelligent Key Unit Connector M75 Terminals 39 And Ground
      G04182025Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 5.

    NG: Repair or replace harness.

  5. CHECK INTELLIGENT KEY OUTPUT SIGNAL 
    1. Connect Intelligent Key unit connector and A/T device (park position switch) connector.
    2. Check voltage between Intelligent Key unit connector and ground.
      TERMINALS VOLTAGE REFERENCE

      Connector Terminal (Wire color) Condition Voltage (V) (Approx.)
      (+) (-)
      M75 39 (PU/R) Ground Selector lever is in "P" position 0
      Other than above Battery voltage

    OK or NG 

    OK: Check condition of harness and connector.

    NG: Replace Intelligent Key unit.

    Fig 5: Identifying Voltage Between Intelligent Key Unit Connector And Ground
    G04182026Courtesy of NISSAN MOTOR CO., U.S.A.
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