2001 Nissan-Datsun Pathfinder SE, RWD, StandardFACTORY OEM SERVICE PROCEDURE

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 

    1. OK: GO TO 2.
    2. NG: Remove obstacles or repair door window slide mechanism.
  2. CHECK POWER SUPPLY TO LIMIT SWITCH 
    1. Disconnect front power window regulator LH or RH harness connector.
    2. Check voltage between front power window main switch terminal 15 or front power window switch RH terminal 16 and ground.
      Fig 1: Checking Voltage Between Front Power Window Main Switch Terminal 15 Or RH Terminal 16 And Ground
      G03147631

    Voltage: 5V 

    NOTE: Check voltage when front power window regulator LH or RH harness connector is disconnected.

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Replace power window main switch or front power window switch RH.
  3. CHECK LIMIT SWITCH OPERATION 
    1. Connect front power window regulator LH or RH harness connector.
    2. Check voltage between front power window main switch terminal 15 or front power window switch RH terminal 16 and ground during power window closing operation.
      Fig 2: Checking Limit Switch Operation
      G03147632
      POWER WINDOW MAIN SWITCH TERMINALS VOLTAGE MEASUREMENT

      Terminal No. Condition Voltage (DCV)
      Front power window main switch: 15 Front power window switch RH: 16 Approx. 15 mm (0.59 in) below the full closed position to full closed position Approx. 5
      Other positions Approx. 0

    OK or NG 

    1. OK: GO TO  5 .
    2. NG: GO TO 4.
  4. RESET LIMIT SWITCH 

    Reset limit switch. Refer to Front Door Glass Limit Switch Reset. Then check voltage between front power window main switch terminal 15 or front power window switch RH terminal 16 and ground during power window closing operation at least ten times.

    Fig 3: Checking Reset Limit Switch
    G03147633
    POWER WINDOW MAIN SWITCH TERMINAL VOLTAGE MEASUREMENT

    Terminal No. Condition Voltage (DCV)
    Front power window main switch: 15 Front power window switch RH: 16 Approx. 15 mm (0.59 in) below the full closed position to full closed position Approx. 5
    Other positions Approx. 0

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Replace power window regulator motor.
  5. CHECK ENCODER 

    Measure voltage between front power window main switch terminal 14 or front power window switch RH terminal 19 and ground with oscilloscope when power window is in automatic closing operation.

    Fig 4: Measuring Voltage Between Front Power Window Main Switch Terminal 14 Or RH Terminal 19 And Ground (Automatic Closing)
    G03147634

    OK or NG 

    1. OK: Replace power window main switch.
    2. NG: Replace power window regulator motor.
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  • • You are missing required tools, torque specs, or safe lifting equipment.
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