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Detention Switch (P Range Switch) Circuit Inspection

  1. CHECK FUNCTION 

    With CONSULT-II 

    Make sure when the A/T selector lever is in P position, "P POSITION SW" on the DATA MONITOR becomes ON.

    CHECKING MIRROR SENSOR With CONSULT-II

    Monitor item [OPERATION or UNIT] Contents
    P POSITION SW "ON/OFF" The selector lever position "P position (ON)/other than P position (OFF)" judged from the detente switch signal is displayed.
    Fig 1: CONSULT-II Display - P POSITION SW On DATA MONITOR
    G03107676Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Check voltage between drive seat control unit conductor and ground.
      TERMINAL VOLTAGE

      Connector Terminals (Wire color) Condition Voltage (V) (Approx.)
      (+) (-)
      B152 17 (PU) Ground Selector lever other than P position. 12
      Selector lever sifted to P position. 0
      Fig 2: Checking Voltage Between Drive Seat Control Unit Conductor And Ground
      G03107677Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Detention switch circuit is OK.
    2. NG: GO TO 2.
  2. CHECK DETENTION SWITCH POWER SUPPLY CIRCUIT HARNESS 
    1. Key is removed form ignition key cylinder.
    2. Disconnect driver seat control unit connector and A/T device (detention switch) connector.
    3. Check continuity between driver seat control unit connector B152 terminal 17 (PU) and A/T device (detention switch) connector M67 terminal 3 (R/Y).

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

    4. Check continuity between driver seat control unit connector B152 terminal 17 (PU) and ground.

      17 (PU) - Ground: Continuity should not exist. 

      Fig 3: Checking Continuity Between Driver Seat Control Unit Connector B152 Terminal 17 (PU) And Ground
      G03107678Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 3.
    2. NG: Repair or replace harness between driver seat control unit and A/T device (detention switch).
  3. CHECK DETENTION SWITCH 

    Check continuity between detection switch as follows.

    TERMINAL CONTINUITY

    Connector Terminals (Wire color) Condition Continuity
    (+) (-)
    M67 3 2 P position Continuity should exist.
    Other than P position Continuity should not exist.
    Fig 4: Checking Detention Switch
    G03107679Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 4.
    2. NG: Replace detention switch.
  4. CHECK DETENTION SWITCH GROUND HARNESS 
    1. Check continuity between automatic drive positioner control unit connector M67 terminal 2 (B) and ground.

      2 (B) - Ground: Continuity should exist. 

    OK or NG

    1. OK: Check the condition of the harness and connector.
    2. NG: Repair or replace harness between detention switch and ground.
      Fig 5: Checking Detention Switch Ground Harness
      G03107680Courtesy of NISSAN MOTOR CO., U.S.A.
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