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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Fuel Injection System (Except For STI)) >> Electronic Throttle Control Relay >> Inspection
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Electronic Throttle Control Relay: Inspection

WARNING: This page is about a different variant/trim than selected.
  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.
    G08315468
    TERMINAL NO. STANDARD
    1 and 2 1 Ω 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.
    G08315469
    TERMINAL NO. STANDARD
    1 and 2 Less than 1 Ω
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