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Home >> Subaru >> 2014 >> BRZ Limited, Automatic 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. SSM3 data reading
    1. Using SSM3, follow the screen and read [Current Data Display]. (Refer to DISPLAY OF CURRENT DATA/SYSTEM OPERATION CHECK MODE  )

      Criteria: The normal value of [Current Data Display] is displayed properly.

      SSM3 DISPLAY: [EACH SYSTEM CHECK] →[POWER WINDOW] →[CURRENT DATA DISPLAY.SAVE]

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

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

      OK: Go to Next Step

  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.

      NG: Go to Step 3.

      OK: Complete

  3. SSM3 data reading
    1. Using SSM3, follow the screen and read [Current Data Display]. (Refer to DISPLAY OF CURRENT DATA/SYSTEM OPERATION CHECK MODE  )
    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. 46 pulses).

      SSM3 DISPLAY: [EACH SYSTEM CHECK] →[POWER WINDOW] →[CURRENT DATA DISPLAY.SAVE]

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

      NG: Go to Step  5.

      OK: Go to Next Step

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

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

      OK: Replacement of the power window regulator (Refer to REMOVAL  )

  5. Replacement of the power window regulator switch assembly
    1. Replace with the new or normal power window regulator master switch assembly, and verify normal operation. (Refer to REMOVAL  )
      RESULT

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

      B: Complete

      A: Go to Next Step

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

      NG: Replacement of the power window regulator motor assembly

      OK: Replacement of the power window regulator (Refer to REMOVAL  )