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Home >> Subaru >> 2019 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass & Power Window System >> Power Window System >> Cannot Operate The Window From Driver's Seat Regulator Switch >> Inspection steps
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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.

      SSM4 screen: [Each System] → [Power Window] → [Active Test]

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

      Result

      RESULT DESCRIPTION

      Item Go to
      NG A
      OK B
      1. Go to next step
      2. Replacement of the power window regulator master switch ASSY (driver's seat) (Refer to POWER WINDOW REGULATOR MASTER SWITCH ASSY )
  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

      STANDARD VALUE 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

      STANDARD VALUE SPECIFICATION

      Inspection terminals (Terminal symbol) Inspection conditions Standard value
      E8-5 (GND) - chassis ground Always Less than 1 Ω
      G12594892Courtesy of SUBARU OF AMERICA, INC.

      OK: Go to next step

      NG: Repair or replacement of wiring harness or connector

  3. 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 (open circuit check)

      STANDARD VALUE SPECIFICATION

      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 (short circuit check)

      STANDARD VALUE SPECIFICATION

      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

      OK: Go to next step

      NG: Repair or replacement of wiring harness or connector

  4. 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

      RESULT DESCRIPTION

      Item Go to
      Motor operates. A
      Motor does not operate. B
      1. Go to next step
      2. Replacement of the power window regulator motor ASSY RH (Refer to REMOVAL )

      Complete (switch malfunction)

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