LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2010 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 158 (Power Window Control System) >> Component Diagnosis >> Encoder >> Driver Side >> DRIVER SIDE : Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DRIVER SIDE : Diagnosis Procedure

WARNING: This page is about a different car, the 2010 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

  1. CHECK ENCODER OPERATION
    1. Turn ignition switch ON.
    2. Check signal between main power window and door lock/unlock switch connector and ground with oscilloscope.
      TERMINAL SIGNAL CHART

      Terminals Signal (Reference value)
      (+) (-)
      Main power window and door lock/unlock switch connector Terminal
      D7 9 Ground Refer to following signal
      13
      Fig 1: Checking Signal Between Main Power Window And Door Lock/Unlock Switch Connector Terminals 9, 13 And Ground
      G05046757Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Identifying Signal Waveform
      G04888492Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

      NO: GO TO 2

  2. CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY
    1. Turn ignition switch ON.
    2. Check voltage between front power window motor LH connector and ground.
      TERMINAL VOLTAGE CHART

      Terminal Voltage (V) (Approx.)
      (+) (-)
      Front power window motor LH connector Terminal
      D9 3 Ground 10
      Fig 3: Checking Voltage Between Front Power Window Motor LH Connector Terminal 3 And Ground
      G04912950Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the measurement value within the specification? 

      YES: GO TO  4

      NO: GO TO 3

  3. CHECK HARNESS CONTINUITY 1
    1. Turn ignition switch OFF.
    2. Disconnect main power window and door lock/unlock switch and front power window motor LH.
    3. Check continuity between main power window and door lock/unlock switch connector (A) and front power window motor LH connector (B).
      TERMINAL CONTINUITY CHART

      Main power window and door lock/unlock switch connector Terminal Front power window motor LH connector Terminal Continuity
      D7 (A) 15 D9 (B) 3 Yes
    4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
      TERMINAL CONTINUITY CHART

      Main power window and door lock/unlock switch connector Terminal Ground Continuity
      D7 (A) 15 No
      Fig 4: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Ground
      G05713607Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  4. CHECK GROUND CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect front power window motor LH.
    3. Check continuity between front power window motor LH connector and ground.
      TERMINAL CONTINUITY CHART

      Front power window motor LH connector Terminal Ground Continuity
      D9 4 Yes
      Fig 5: Checking Continuity Between Front Power Window Motor LH Connector Terminal 4 And Ground
      G04912939Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: GO TO  6

      NO: GO TO 5

  5. CHECK HARNESS CONTINUITY 2
    1. Disconnect main power window and door lock/unlock switch.
    2. Check continuity between main power window and door lock/unlock switch connector and front power window motor LH connector.
      TERMINAL CONTINUITY CHART

      Main power window and door lock/unlock switch connector Terminal Front power window motor LH connector Terminal Continuity
      D7 2 D9 4 Yes
      Fig 6: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G04912953Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  6. CHECK HARNESS CONTINUITY 3
    1. Disconnect main power window and door lock/unlock switch.
    2. Check continuity between main power window and door lock/unlock switch connector (A) and front power window motor LH connector (B).
      TERMINAL CONTINUITY CHART

      Main power window and door lock/unlock switch connector Terminal Front power window motor LH connector Terminal Continuity
      D7 (A) 9 D9 (B) 5 Yes
      13 6
    3. Check continuity between main power window and door lock/unlock switch connector (A) and ground.
      TERMINAL CONTINUITY CHART

      Main power window and door lock/unlock switch connector Terminal Ground Continuity
      D7 (A) 9 No
      13
      Fig 7: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector
      G05713610Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: Replace front power window motor LH. Refer to "FRONT DOOR GLASS REGULATOR ".

      NO: Repair or replace harness.

scientia non olet · About LEMON Manuals