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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Dynamics Control (VDC) System >> VDC OFF Switch >> Inspection

VDC OFF Switch: Inspection

  1. Measure the resistance between the VDC OFF switch terminals.

    Preparation tool: 

    Circuit tester

    G10315164Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Inspection conditions Standard
    6 - 8 Switch OFF 1 MΩ or more
    Switch ON Less than 1 Ω
  2. Apply battery voltage between the connector 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
    1 (+) - 4 (-) Apply battery voltage Light ON
  3. Replace the VDC OFF switch if the inspection result is not within the standard value.