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A/T Device (Detent Switch) Circuit Inspection (A/T Model Only)

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 

    With CONSULT-II 

    Check that when the A/T selector lever is in P position, "DETENT SW" on the DATA MONITOR becomes OFF.

    Fig 1: A/T Device (Detent Switch) Circuit - Monitor Item Chart
    G02420646Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: DATA MONITOR - CONSULT II Display Screen
    G02420647Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    GO TO 2.

    OK or NG

    • OK: A/T device (detent switch) circuit is OK.
    • NG: GO TO 2.
  2. CHECK A/T DEVICE (DETENT SWITCH) HARNESS 
    1. Turn ignition switch OFF.
    2. Disconnect A/T device (detent switch) and key switch and key lock solenoid.
    3. Check continuity between A/T device (detent switch) connector M34 terminal 5 and key switch and key lock solenoid connector M27 terminal 4.

      5 (B/R) - 4 (B/R): Continuity should exist. 

    4. Check continuity between A/T device (detent switch) connector M34 terminal 5 and ground.

      5 (B/R) - Ground: Continuity should not exist. 

    OK or NG

    • OK: GO TO 3.
    • NG: Repair or replace harness.
      Fig 3: Checking A/T Device (Detent Switch) Harness
      G02420648Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DETENT SWITCH 

    Check continuity between detent switch as follows.

    Fig 4: Terminals Continuity Reference Chart
    G02420649Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 5: Checking Continuity Between Detent Switch
    G02420650Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 4.
    • NG: Replace A/T device (detent switch).
  4. CHECK A/T DEVICE (DETENT SWITCH) SIGNAL HARNESS 
    1. Disconnect driver seat control unit.
    2. Check continuity between driver seat control unit connector P2 terminal 21 and A/T device (detent switch) connector M34 terminal 6.

      21 (SB) - 6 (BR/Y): Continuity should exist. 

    3. Check continuity between driver seat control unit connector P2 terminal 21 and ground.

      21 (SB) - Ground: Continuity should not exist. 

    OK or NG

    • OK: Replace driver seat control unit.
    • NG: Repair or replace harness.
      Fig 6: Checking Continuity Between Driver Seat Control Unit Connector P2 Terminal 21 And A/T Device (Detent Switch) Connector M34 Terminal 6 And Ground
      G02420651Courtesy of NISSAN MOTOR CO., U.S.A.