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Encoder Circuit Check (Rear LH Or RH)/With Front And Rear Power Window Anti-Pinch System

  1. CHECK ENCODER SIGNAL 
    1. Turn ignition switch ON.
    2. Check the signal between power window sub-switch (rear LH or RH) connector and ground with oscilloscope.
      Fig 1: Signal Check Between Power Window Sub-Switch (Rear LH Or RH) Connector And Ground With Oscilloscope Table
      G02354865Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Checking Signal Between Power Window Sub-Switch (Rear LH Or RH) Connector And Ground With Oscilloscope
      G02354866Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Encoder SW circuit is OK
    2. NG: GO TO 2.
  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect power window sub-switch (rear LH or RH) and power window motor (rear LH or RH).
    3. Check continuity between power window sub-switch (rear LH or RH) connector D55 (LH), D75 (RH) terminal 19 and power window motor (rear LH or RH) connector D52 (LH), D72 (RH) terminal 5.

      19 (G/Y) - 5 (G/Y): Continuity should exist. 

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Repair or replace harness.
      Fig 3: Checking Continuity Between Power Window Sub-Switch (Rear LH Or RH) Connector D55 (LH), D75 (RH) Terminal 19 And Power Window Motor (Rear LH Or RH) Connector D52 (LH), D72 (RH) Terminal 5
      G02354867Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK ENCODER GROUND 
    1. Connect power window sub-switch (rear LH or RH) connector.
    2. Check continuity between power window motor (rear LH or RH) connector D52 (LH), D72 (RH) terminal 4 and ground.

      4 (W/B) - Ground: Continuity should exist. 

    OK or NG 

    1. OK: Replace power window motor (rear LH or RH).
    2. NG: GO TO 4.
      Fig 4: Checking Continuity Between Power Window Motor (Rear LH Or RH) Connector D52 (LH), D72 (RH) Terminal 4 And Ground
      G02354868Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK ENCODER GROUND CIRCUIT 

    Check continuity between power window motor (rear LH or RH) connector D52 (LH), D72 (RH) terminal 4 and power window sub-switch (rear LH or RH) connector D55 (LH), D75 (RH) terminal 20.

    4 (W/B) - 20 (W/B): Continuity should exist. 

    OK or NG 

    1. OK: Replace power window sub-switch (rear LH or RH).
    2. NG: Repair or replace harness.
      Fig 5: Checking Continuity Between Power Window Motor (Rear LH Or RH) Connector D52 (LH), D72 (RH) Terminal 4 And Power Window Sub-Switch (Rear LH Or RH) Connector D55 (LH), D75 (RH) Terminal 20
      G02354869Courtesy of NISSAN MOTOR CO., U.S.A.