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Electronic Throttle Control Relay: Inspection

WARNING: This page is about a different car, the 2012 Subaru Outback and 2012 Subaru Legacy. 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: Electronic Throttle Control Relay Circuit Diagram
    G07909727Courtesy 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 terminal No. 3 to battery positive terminal and terminal No. 4 to the battery ground terminal, and check the resistance between the electronic throttle control relay terminals.
Fig 2: Electronic Throttle Control Relay Circuit Diagram
G06344746Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Standard
1 and 2 Less than 1 Ω
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