LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2005 >> QX56 AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Glass, Window System & Mirrors >> Power Window System >> Encoder Circuit Check Front RH
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Encoder Circuit Check Front RH

  1. CHECK POWER WINDOW MOTOR RH POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor RH.
    3. Turn ignition switch ON.
    4. Check voltage between front power window motor RH connector D104 terminal 4 and ground.
      1. 4 (G/R) - Ground: Approx. 10V 

    OK or NG

    1. OK: GO TO 3.
    2. NG: GO TO 2.
    Fig 1: Checking Voltage Between Front Power Window Motor RH Connector D104 Terminal 4 And Ground
    G02383849Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor RH and power window and door lock/unlock switch RH.
    3. Check continuity between front power window motor RH connector D104 terminal 4 and power window and door lock/unlock switch RH connector D105 terminal 4.
      1. 4 (G/R) - 4 (G/R): Continuity should exist. 

    OK or NG

    1. OK: Replace power window and door lock/unlock switch RH.
    2. NG: Repair or replace harness.
    Fig 2: Checking Continuity Between Front Power Window Motor RH Connector D104 Terminal 4 And Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 4
    G02383850Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK ENCODER GROUND 
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor RH.
    3. Check continuity between front power window motor RH connector D104 terminal 6 and ground.
      1. 6 (W/B) - Ground: Continuity should exist. 

    OK or NG

    1. OK: GO TO 5.
    2. NG: GO TO 4.
    Fig 3: Checking Continuity Between Front Power Window Motor RH Connector D104 Terminal 6 And Ground
    G02383851Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK ENCODER GROUND CIRCUIT 
    1. Disconnect power window and door lock/unlock switch RH.
    2. Check continuity between front power window motor RH connector D104 terminal 6 and power window and door lock/unlock switch RH connector D105 terminal 3.
      1. 6 (W/B) - 3 (W/B): Continuity should exist. 

    OK or NG

    1. OK: Replace power window and door lock/unlock switch RH.
    2. NG: Repair or replace harness.
    Fig 4: Checking Continuity Between Front Power Window Motor RH Connector D104 Terminal 6 And Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 3
    G02383852Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK ENCODER SIGNAL 
    1. Connect front power window motor RH.
    2. Turn ignition switch ON
    3. Check the signal between power window and door lock/unlock switch RH connector and ground with oscilloscope.
      Fig 5: Connector D105 Terminal 12 Encoder Signal Specification
      G02383853Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 6: Checking Signal Between Power Window And Door Lock/Unlock Switch RH Connector And Ground With Oscilloscope
      G02383854Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: Replace power window and door lock/unlock switch RH.
    2. NG: GO TO 6.
  6. CHECK ENCODER CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor RH and power window and door lock/unlock switch RH.
    3. Check continuity between front power window motor RH connector D104 terminal 3 and power window and door lock/unlock switch RH connector D105 terminal 12.
      1. 3 (G/Y) - 12 (G/Y): Continuity should exist. 

    OK or NG

    1. OK: Replace front power window motor RH.
    2. NG: Repair or replace harness.
    Fig 7: Checking Continuity Between Front Power Window Motor RH Connector D104 Terminal 3 And Power Window And Door Lock/Unlock Switch RH Connector D105 Terminal 12
    G02383855Courtesy of NISSAN MOTOR CO., U.S.A.