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HOMESERVICE MANUALSINFINITI2006G35 BASE, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEWINDOWSGLASS, WINDOW & MIRRORS (COUPE)POWER WINDOW SYSTEMENCODER CIRCUIT CHECK (DRIVER SIDE)
2006 Infiniti G35 Base, 2D Coupe, Automatic

Encoder Circuit Check (Driver Side)

2006 Infiniti G35 Base, 2D Coupe, AutomaticSECTION Encoder Circuit Check (Driver Side)
  1. CHECK DRIVER SIDE POWER WINDOW MOTOR POWER SUPPLY 
    1. Turn ignition switch ON.
    2. Check voltage between driver side power window motor connector D9 terminal 4 and ground.

      4 (R) - Ground: Approx. 10V 

    OK or NG 

    OK: GO TO 3.

    NG: GO TO 2.

    Fig 1: Checking Voltage Between Driver Side Power Window Motor Connector Terminal 4 And Ground
    G04182296Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch and driver side power window motor connector.
    3. Check continuity between power window main switch connector D7 terminal 5 and driver side power window motor connector D9 terminal 4.

      5 (R) - 4 (R): Continuity should exist  .

    OK or NG 

    OK: Replace power window main switch.

    NG: Repair or replace harness.

    Fig 2: Checking Continuity Between Power Window Main Switch And Driver Side Power Window Motor Connector Terminals
    G04182297Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK ENCODER GROUND 
    1. Turn ignition switch OFF.
    2. Disconnect driver side power window motor connector.
    3. Check continuity between driver side power window regulator connector D9 terminal 6 and ground.

      6 (PU) - Ground: Continuity should exist  .

    OK or NG 

    OK: GO TO 5.

    NG: GO TO 4.

    Fig 3: Checking Continuity Between Driver Side Power Window Regulator Connector Terminal 6 And Ground
    G04182298Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK ENCODER GROUND CIRCUIT 
    1. Disconnect power window main switch connector.
    2. Check continuity between power window main switch connector D7 terminal 14 and driver side power window motor connector D9 terminal 6.

      14 (PU) - 6 (PU): Continuity should exist  .

    OK or NG 

    OK: Replace power window main switch.

    NG: Repair or replace harness.

    Fig 4: Checking Continuity Between Power Window Main Switch And Driver Side Power Window Motor Connector Terminals
    G04182299Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK ENCODER SIGNAL 
    1. Connect driver side power window motor connector.
    2. Turn ignition switch ON.
    3. Check the signal between power window main switch connector and ground with oscilloscope.
      Fig 5: Checking Signal Between Power Window Main Switch Connector And Ground
      G04182301G04077331Courtesy of NISSAN MOTOR CO., U.S.A.NISSAN MOTOR CO., U.S.A.
      POWER WINDOW MAIN SWITCH CONNECTOR AND GROUND CHECK TABLE

      Connector Terminals (Wire color) Condition Signal (Reference valve)
      (+) (-)
      D7 13 (LG) Ground opening
      G04077331Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace power window main switch.

    NG: GO TO 6.

  6. CHECK ENCODER CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch and driver side power window motor connector.
    3. Check continuity between power window main switch connector D7 terminal 13 and driver side power window motor connector D9 terminal 3.

      13 (LG) - 3 (LG): Continuity should exist  .

    OK or NG 

    OK: Replace driver side power window motor.

    NG: Repair or replace harness.

    Fig 6: Checking Continuity Between Power Window Main Switch And Driver Side Power Window Motor Connector Terminals
    G04182302Courtesy of NISSAN MOTOR CO., U.S.A.
RENDER: 1.0x

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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.