Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 179 (Power Window Control System) >> Coupe >> DTC/Circuit Diagnosis >> Encoder >> Passenger Side >> PASSENGER SIDE : Diagnosis Procedure

PASSENGER SIDE : Diagnosis Procedure

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ENCODER SIGNAL
    1. Turn ignition switch ON.
    2. Check signal between power window sub-switch harness connector and ground with oscilloscope.
      TERMINALS REFERENCE

      (+) (-) Signal (Reference value)
      Power window sub-switch
      Connector Terminal
      D38 12 Ground Refer to the following signal
      15
      Fig 1: Power Window Sub-Switch - Timing Chart
      G07101913Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

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

      NO: Go to 2.

  2. CHECK ENCODER SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect power window sub-switch connector and passenger side power window motor connector.
    3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.
      CONTINUITY SPECIFICATION

      Power window sub-switch Passenger side power window motor Continuity
      Connector Terminal Connector Terminal
      D38 12 D40 2 Existed
      15 5
    4. Check continuity between power window sub-switch connector and ground.
      CONTINUITY SPECIFICATION

      Power window sub-switch Ground Continuity
      Connector Terminal
      D38 12 Not existed
      15

      Is the inspection result normal? 

      YES: Go to 3.

      NO: Repair or replace harness.

  3. CHECK ENCODER POWER SUPPLY CIRCUIT 1
    1. Connect power window sub-switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between passenger side power window motor harness connector and ground.
      VOLTAGE SPECIFICATION

      (+) (-) Voltage (V) (Approx.)
      Passenger side power window motor
      Connector Terminal
      D40 4 Ground 12

      Is the measurement value within the specification? 

      YES: Go to  5.

      NO: Go to 4.

  4. CHECK ENCODER POWER SUPPLY CIRCUIT 2
    1. Turn ignition switch OFF.
    2. Disconnect power window sub-switch connector.
    3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.
      CONTINUITY SPECIFICATION

      Power window sub-switch Passenger side power window motor Continuity
      Connector Terminal Connector Terminal
      D38 4 D40 4 Existed
    4. Check continuity between power window sub-switch harness connector and ground.
      CONTINUITY SPECIFICATION

      Power window sub-switch Ground Continuity
      Connector Terminal
      D38 4 Not existed

      Is the inspection result normal? 

      YES: Replace power window sub-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 sub-switch connector.
    3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.
      CONTINUITY SPECIFICATION

      Power window sub-switch Passenger side power window motor Continuity
      Connector Terminal Connector Terminal
      D38 3 D40 1 Existed

      Is the inspection result normal? 

      YES: Go to 6.

      NO: Repair or replace harness.

  6. CHECK GROUND CIRCUIT 2
    1. Connect power window sub-switch connector.
    2. Check continuity between power window sub-switch harness connector and ground.
      CONTINUITY SPECIFICATION

      Power window sub-switch Ground Continuity
      Connector Terminal
      D38 3 Existed

      Is the inspection result normal? 

      YES: Replace passenger side power window motor. Refer to "REMOVAL AND INSTALLATION ".

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

scientia non olet · About Mike's Workshop Manuals