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Electronic Throttle Control Relay: Inspection

WARNING: This page is about a different car, the 2012 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
    G07670522Courtesy of SUBARU OF AMERICA, INC.
    RESISTANCE REFERENCE CHART

    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 Electronic Throttle Control Relay Terminals
    G07670523Courtesy of SUBARU OF AMERICA, INC.
RESISTANCE REFERENCE CHART

Terminal No. Standard
1 and 2 Less than 1 Ω
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