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Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System & Washer System >> Combination Switch (Wiper) >> Inspection >> Front Wiper

Front Wiper

  1. Check with Subaru Select Monitor
    NOTE: For detailed operation procedures, refer to "Application help".
    1. Check the input signal when the switch assembly - combination wiper select is turned to LO or HI, using the «Data monitor» display.
    2. Does the input signal change corresponding to the switch operation?
      • Yes →  Finish the diagnosis.
      • No →  Check the harness.
  2. Check the intermittent operation (inspection of the combination switch (wiper) alone)
    G08316522Courtesy of SUBARU OF AMERICA, INC.
    1. Set the voltmeter between terminals No. A2 (+) and No. B2 (-).
    2. Connect the battery to connector. (Terminal No. A2 (+), terminal No. B2 & A3 (-))
    3. Turn the switch assembly - combination wiper select to INT.
    4. Connect the battery (+) to the terminal No. A2 for 5 seconds.
    5. Connect the battery (-) to the terminal No. B2, and check the voltage between terminals No. A2 and No. A3 during intermittent operation.
    6. Perform step  1 to  5 above when intermittent control switch is in MIN or MAX, and replace the switch if the operation is not as specified.

      Intermittent stationary time 

      MIN: Approx. 2 seconds

      MAX: Approx. 16 seconds

G13262656Courtesy of SUBARU OF AMERICA, INC.