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Steering Switch: Inspection

  1. Measure the resistance between connector terminals.

    Preparation tool: 

    Circuit tester 

    Fig 1: Steering Switch Circuit Diagram
    G10270904Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Inspection conditions Standard
    3 - 2 (UP) i/SET, (DOWN) All OFF Approx. 1 MΩ or more
    (UP) ON Less than 1 Ω
    i/SET ON Approx. 1, 000 Ω
    (DOWN) ON Approx. 3, 670 Ω
  2. Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.
    Terminal No. Inspection conditions Specification
    4 (+) - 1 (-) Apply battery voltage. Light ON
  3. Replace the MID switch if it is found defective.