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Home >> Subaru >> 2022 >> Ascent Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Lighting System) >> Combination Switch (Light) >> Inspection
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Combination Switch (Light): Inspection

WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the resistance between connector terminals.

    Preparation tool: 

    Circuit tester

    G10270679Courtesy of SUBARU OF AMERICA, INC.
    • Lighting switch
      Terminal No. Inspection conditions Standard
      18 - 12
      19 - 12
      20 - 12
      Switch OFF 1 MΩ or more
      19 - 12 Switch AUTO Less than 1 Ω
      18 - 12 Switch 1 (TAIL7PARKING) Less than 1 Ω
      18 - 12
      20 - 12
      Switch 2 (HEAD) Less than 1 Ω
    • Dimmer & passing switch
      Terminal No. Inspection conditions Standard
      11 - 12
      17 - 12
      Switch PASS Less than 1 Ω
      11 - 12 Switch UP Less than 1 Ω
    • Turn signal switch
      Terminal No. Inspection conditions Standard
      13 - 12 Switch TURN (RH) Less than 1 Ω
      15 - 12 Switch TURN (LH) Less than 1 Ω
    • Front fog light switch
      Terminal No. Inspection conditions Standard
      4 - 3 Switch OFF 1 MΩ or more
      Switch ON Less than 1 Ω
  2. Replace the switch assembly combination turn dimmer if the inspection result is not within the standard value.