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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Window Glass & Mirrors >> Power Window Control Switch >> Inspection >> Base Grade >> Front Sub Switch
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Front Sub Switch

  1. Measure the resistance between terminals of the switch assembly power window front sub.

    Preparation tool:

    Circuit tester

    G12398775Courtesy of SUBARU OF AMERICA, INC.
    • Passenger's seat sub
      Terminal No. Inspection conditions Standard
      6-5 OFF Less than 1 Ω
      2 - 1
      2 - 5
      2 - 6
      1 MΩ or more
      2-6 Manual UP Less than 1 Ω
      5-6
      2-5
      1 - 2
      1 MΩ or more
      2-6
      1 - 2
      Auto UP Less than 1 Ω
      5-6
      2-5
      1 MΩ or more
      2-5 Manual DOWN Less than 1 Ω
      5-6
      2-6
      1- 2
      1 MΩ or more
      2-5
      1 - 2
      Auto DOWN Less than 1 Ω
      5-6
      2-6
      1 MΩ or more
  2. Apply battery voltage between the switch power window sub front terminals to check lighting condition of illumination inside the switch.
    CAUTION: When applying battery voltage, do not mix up the positive (+) side and the negative (-) side  .

    Incorrect polarity connection may cause LED damage inside the switch  .

    Terminal No. Inspection conditions Standard
    7 (+) - 2 (-) Apply battery voltage. Light ON
  3. Replace the switch assembly power window front sub if it is found defective from the inspection result.