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Home >> Subaru >> 2018 >> BRZ Limited, Standard Trans >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass & Power Window System >> Power Window System >> Index Function Does Not Operate (Driver's Seat And Passenger's Seat) >> Inspection steps

Inspection steps

CAUTION: Before performing the diagnosis, refer to the precautions.
  1. Reading SSM4 data
    1. Using the SSM4, follow the display and read the [Data monitor]. (Refer to DATA MONITOR/ACTIVE TEST )

      Criteria: The normal value on the [Data monitor] is displayed properly.

      SSM4 screen: [Each System] → [Power Window] → [Data monitor]

      Item name Description/display range Normal value Remarks
      [Drivers seat Courtesy SW state] Status of driver's door courtesy lamp switch/Display range: ON-OFF ON: Driver's door is opened.
      OFF: Driver's door is closed.      		 -
      [Passenger seat Courtesy SW state] Status of passenger's door courtesy lamp switch/Display range: ON-OFF ON: Passenger's door is opened.
      OFF: Passenger's door is closed.      		 -

      OK: Go to next step

      NG: Inspection of courtesy lamp switch system (Refer to DOOR COURTESY LIGHT CIRCUIT )

  2. Reinitialization of the power window master switch/power window switch
    1. Reinitialize the power window master switch/power window switch.

      Criteria: No fault is found.

      OK: Go to next step

      NG: Go to Step  3.

      Complete

  3. Reading SSM4 data
    1. Using the SSM4, follow the display and read the [Data monitor]. (Refer to DATA MONITOR/ACTIVE TEST )
    2. When the glass is in top position and the courtesy SW status changes from OFF to ON, check the window position counter.

      Criteria: Pulse fluctuates (approx. 30 pulses).

      SSM4 screen: [Each System] → [Power Window] → [Data monitor]

      Item name Description/display range Normal value Remarks
      [Drivers seat Courtesy SW state] Status of driver's door courtesy lamp switch/Display range: ON-OFF ON: Driver's door is opened.
      OFF: Driver's door is closed.      		 -
      [Passenger seat Courtesy SW state] Status of passenger's door courtesy lamp switch/Display range: ON-OFF ON: Passenger's door is opened.
      OFF: Passenger's door is closed.      		 -
      [Drivers seat window position counter] Position information of driver's door glass Display range: -100 to 700 - -
      [Passenger seat window position counter] Position information of passenger's door glass/Display range: -100 to 700 - -

      OK: Go to next step

      NG: Go to Step  5.

  4. Unit inspection of the power window regulator motor ASSY
    1. Remove the power window regulator motor ASSY. (Refer to REMOVAL )
    2. Perform unit inspection of the power window regulator motor ASSY.

      OK: Go to next step

      NG: Replacement of the power window regulator motor ASSY (If the function does not operate after the replacement, replace the power window master switch)

      Replacement of the power window regulator (Refer to REMOVAL )

  5. Replacement of the power window regulator 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 does not operate. A
      Motor operates. B
      1. Go to next step
      2. Complete
  6. Unit inspection of power window regulator motor ASSY
    1. Remove the power window regulator motor ASSY. (Refer to REMOVAL )
    2. Perform unit inspection of the power window regulator motor ASSY.

      OK: Go to next step

      NG: Replacement of the power window regulator motor ASSY

      Replacement of the power window regulator (Refer to REMOVAL )

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