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Electronic Throttle Control Relay: Inspection

  1. Measure the resistance between electronic throttle control relay terminals.
    Fig 1: Measuring Resistance Between Electronic Throttle Control Relay Terminals
    G06344745Courtesy 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))
  2. Connect the battery positive terminal to terminal No. 3 and the 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
    G06344746Courtesy of SUBARU OF AMERICA, INC.
    RESISTANCE REFERENCE CHART

    Terminal No. Standard
    1 and 2 Less than 1 Ω
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