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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Window Glass & Mirrors >> Power Window Control Switch >> Inspection >> Base Grade >> Front Sub Switch

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 Specification
    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.