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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window System >> Limit Switch Check (Passenger Side)

Limit Switch Check (Passenger Side)

  1. LIMIT SWITCH SIGNAL CHECK 
    1. Turn the ignition switch ON.
    2. Check voltage between front power window regulator (passenger side) connector and ground.
      Fig 1: Voltage Specifications Between Front Power Window Regulator (Passenger Side) Connector And Ground
      G02045085Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Checking Voltage Between Front Power Window Regulator (Passenger Side) Connector And Ground
      G02045086Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG? 

    1. OK >> Limit switch (passenger side) circuit is OK.
    2. NG >> GO TO 2
  2. LIMIT SWITCH GROUND CHECK 
    1. Turn ignition switch OFF.
    2. Disconnect front power window regulator (passenger side) connector.
    3. Check continuity between front power window regulator (passenger side) connector D37 terminal 6 and ground.
      1. 6 (B) - Ground : Continuity should exist. 
      Fig 3: Checking Continuity Between Front Power Window Regulator (Passenger Side) Connector D37 Terminal 6 And Ground
      G02045087Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG? 

    1. OK >> GO TO 3
    2. NG >> Repair or replace harness.
  3. CHECK POWER WINDOW MOTOR CIRCUIT 
    1. Disconnect passenger door control unit connector.
    2. Check continuity between front power window regulator (passenger side) connector D37 terminal 5 and passenger door control unit connector D38 terminal 16.
      1. 5 (PU) - 16 (PU) : Continuity should exist. 
      Fig 4: Checking Continuity Between Front Power Window Regulator (Passenger Side) Connector D37 Terminal 5 And Passenger Door Control Unit Connector D38 Terminal 16
      G02045088Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between front power window regulator (passenger side) connector D37 terminal 5 and ground.
      1. 5 (PU) - Ground : Continuity should not exist. 

    OK or NG? 

    1. OK >> GO TO 4.
    2. NG >> Repair or replace harness between passenger door control unit and front power window regulator (passenger side)
  4. LIMIT SWITCH CHECK 
    1. Connect passenger door control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between front power window regulator (passenger side) connector D37 terminal 5 and ground.
      1. 5 (PU) - Ground : Approx. 5V 
      Fig 5: Checking Voltage Between Front Power Window Regulator (Passenger Side) Connector D37 Terminal 5 And Ground
      G02045089Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK >> Replace front power window regulator (passenger side).
    2. NG >> Replace passenger door control unit.
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