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HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSGLASS, WINDOW SYSTEM & MIRRORSSERVICE INFORMATIONPOWER WINDOW SYSTEMENCODER AND LIMIT SWITCH CHECK
2012 Nissan-Datsun Sentra SE-R

Encoder and Limit Switch Check

2012 Nissan-Datsun Sentra SE-RSECTION Encoder and Limit Switch Check
  1. CHECK DOOR WINDOW SLIDE MECHANISM

    Check the following.

    • Obstacles in window, glass molding, etc.
    • Worn or deformed glass molding.
    • Door sash tilted too far inward or outward.
    • Door window regulator.

    OK or NG 

    OK: GO TO 2.

    NG: Remove obstacles or repair door window slide mechanism.

  2. CHECK LIMIT SWITCH OPERATION
    1. Turn ignition switch ON.
    2. Check voltage between main power window and door lock/unlock switch connector D5 terminal 9 and ground.
      Terminals Condition Voltage (Approx.)
      (+) (-)
      Connector Terminal
      D5 9 Ground Front power window LH is between fully-open and just before fully-closed position (ON) 0
      Front power window LH is between just before fully-closed position and fully-closed position (OFF) 5
      Fig 1: Checking Limit Switch Operation
      G05922878Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: GO TO 3.

      NG: Check harness between main power window and door lock/unlock switch and front power window motor LH.

      • OK: Replace front power window motor LH.
      • NG: Replace or repair harness.
  3. CHECK ENCODER

    Measure voltage between main power window and door lock/unlock switch connector D5 terminal 13 and ground with oscilloscope when power window is in automatic closing operation.

    Terminals Condition Voltage
    (+) (-)
    D5 13 Ground Front power window motor LH operation.
    G04877356
    Fig 2: Checking Encoder
    G05922880Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: Replace main power window and door lock/unlock switch.

    NG: Replace front power window motor LH.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.