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Home >> Subaru >> 2017 >> BRZ Premium >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass & Power Window System >> Power window system >> Circuit figure >> Inspection steps

Inspection steps

  1. Implementation of SSM4 active test
    1. Using SSM4, perform an [Active Test] by following the display. (Refer to Data monitor/active test )

      Criteria: The [Active Test] can be performed properly.

      POWER WINDOW ACTIVE TEST DESCRIPTION

      Item name Drive
      [Power Window Motor Driver side] UP/DOWN
      RESULT REFERENCE

      Item Go to
      NG A
      OK B

      B: Replacement of the power window regulator master switch ASSY (driver's seat) (Refer to Power window regulator master switch ASSY )

      A

    2. Inspection of the wire harness and connector (power window regulator master switch ASSY - battery and chassis ground)
      1. Disconnect the connector E8 of power window regulator master switch ASSY.
      2. Measure the voltage between the terminals.
        VOLTAGE SPECIFICATION

        Inspection terminals (Terminal symbol) Inspection conditions Standard value
        E8-12 (+B) - chassis ground Always 11 to 14 V
      3. Measure the resistance between the terminals.
      RESISTANCE SPECIFICATION

      Inspection terminals (Terminal symbol) Inspection conditions Standard value
      E8-5 (GND) - chassis ground Always Less than 1 Ω
      Fig 1: Identifying Power Window Regulator Master Switch Assy Connector Terminals
      G11262596Courtesy of SUBARU OF AMERICA, INC.

      NG: Repair or replacement of wiring harness or connector

      OK

  2. Inspection of the wire harness and connector (power window regulator master switch ASSY - power window regulator motor ASSY LH (driver's seat))
    1. Disconnect the connector E8 of power window regulator master switch ASSY.
    2. Disconnect the connector E5 of the power window regulator motor ASSY LH (driver's seat).
    3. Measure the resistance between the terminals.
    RESISTANCE SPECIFICATION (OPEN CIRCUIT CHECK)

    Inspection terminals (Terminal symbol) Inspection conditions Standard value
    E8-6 (WU) - E5-1 (WU) Always Less than 1 Ω
    E8-7 (WD) - E5-3 (WD) Always Less than 1 Ω
    RESISTANCE SPECIFICATION (SHORT CIRCUIT CHECK)

    Inspection terminals (Terminal symbol) Inspection conditions Standard value
    E8-6 (WU) - chassis ground Always 10 kΩ or more
    E8-7 (WD) - chassis ground Always 10 kΩ or more

    NG: Repair or replacement of wiring harness or connector

    OK

  3. Replacement of the power window regulator master switch ASSY
    1. Replace with the new or normal power window regulator master switch ASSY, and verify normal operation. (Refer to Removal )
    RESULT REFERENCE

    Item Go to
    Motor operates. A
    Motor does not operate. B

    B: Replacement of the power window regulator motor ASSY RH (Refer to Removal )

    A: Complete (switch malfunction)