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Electronic Throttle Control Relay: Inspection

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    Fig 1: Measuring Resistance Between Electronic Throttle Control Relay Terminals
    G08315468Courtesy 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.
    Fig 2: Measuring Resistance Between Main Relay Terminals 3 And 4
    G08315469Courtesy of SUBARU OF AMERICA, INC.
    Terminal No. Standard
    1 and 2 Less than 1 Ω