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Home >> Infiniti >> 2004 >> G35 x >> Repair and Diagnosis >> Body & Frame >> Windows >> 2004 - Power Window System - Sedan >> Power Window System >> Encoder Circuit Check (Rear LH Or RH)/With Front And Rear Power Window Anti-Pinch System
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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 D55 (LH), D75 (RH) and ground with oscilloscope.
      Fig 1: Signal Checking Table - Between Power Window Sub-Switch (Rear LH Or RH) Connector D55 (LH), D75 (RH) And Ground
      G02391379Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Encoder sw circuit is OK
    2. NG : GO TO 2.
    Fig 2: Checking Signal Between Power Window Sub-Switch (Rear LH Or RH) Connector D55 (LH), D75 (RH) And Ground With Oscilloscope
    G02391380Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
      1. 19 (G/Y) - 5 (G/Y): Continuity should exist. 

    OK or NG 

    1. OK : GO TO 3.
    2. NG : Repair or replace harness between power window sub-switch (rear LH or RH) and power window motor (rear LH or RH).
    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
    G02391381Courtesy 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.
      1. 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
    G02391382Courtesy 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.

    1. 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 between power window motor (rear LH or RH) and power window sub-switch (rear LH or RH).
    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
    G02391383Courtesy of NISSAN MOTOR CO., U.S.A.
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