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Electronic Throttle Control Relay: Inspection

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  1. Check that the electronic throttle control relay has no deformation, cracks or other damages.
  2. Measure the resistance between electronic throttle control relay terminals.
    G12505423Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Standard
    1 and 2 1 MΩ or more
    3 and 4 93.8-136.4 Ω (when 20°C (68°F))
  3. Connect battery positive terminal to terminal No. 3 and battery ground terminal to terminal No. 4, and measure the resistance between the electronic throttle control relay terminals.
    G12505424Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Standard
    1 and 2 Less than 1 Ω
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