LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> EX35 Base, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System >> DTC/Circuit Diagnosis >> Encoder >> Driver Side >> DRIVER SIDE: Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DRIVER SIDE: Diagnosis Procedure

  1. CHECK ENCODER SIGNAL
    1. Turn ignition switch ON.
    2. Check signal between power window main switch harness connector and ground using oscilloscope.
      (+) (-) Signal (Reference value)
      Power window main switch
      Connector Terminal
      D8 9 Ground Refer to following signal:
      13
      Fig 1: Power Window Encoder Operation Graphs (Driver Side)
      G08197588Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: GO TO 2.

  2. CHECK ENCORDER SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector and front power window motor (driver side) connector.
    3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.
      Power window main switch Front power window motor (driver side) Continuity
      Connector Terminal Connector Terminal
      D8 9 D10 3 Existed
      13 5
    4. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D8 9 Not existed
      13

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness.

  3. CHECK ENCORDER POWER SUPPLY CIRCUIT 1
    1. Connect power window main switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between front power window motor (driver side) harness connector and ground.
      (+) (-) Voltage (V) (Approx.)
      Front power window motor (driver side)
      Connector Terminal
      D10 4 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO  5.

      NO: GO TO 4.

  4. CHECK ENCORDER POWER SUPPLY CIRCUIT 2
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector.
    3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.
      Power window main switch Front power window motor (driver side) Continuity
      Connector Terminal Connector Terminal
      D8 15 D10 4 Existed
    4. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D8 15 Not existed

      Is the inspection result normal? 

      YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  5. CHECK GROUND CIRCUIT 1
    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector.
    3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.
      Power window main switch Front power window motor (driver side) Continuity
      Connector Terminal Connector Terminal
      D8 2 D10 6 Existed

      Is the inspection result normal? 

      YES: GO TO 6.

      NO: Repair or replace harness.

  6. CHECK GROUND CIRCUIT 2
    1. Connect power window main switch connector.
    2. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D8 2 Existed

      Is the inspection result normal? 

      YES: Replace front power window motor (driver side). Refer to "REMOVAL AND INSTALLATION ".

      NO: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".

scientia non olet · About LEMON Manuals