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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Speed Control System (STI) >> Accelerator Pedal >> Inspection >> Check Accelerator Pedal Sensor Area (Method With Circuit Tester)
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Check Accelerator Pedal Sensor Area (Method With Circuit Tester)

  1. Remove the Glove Box. Ref. to EXTERIOR/INTERIOR TRIM>Glove Box>REMOVAL .
  2. Turn the Ignition Switch to ON. (Engine OFF).
  3. Measure the voltage between ECM connector terminals.
    • Main Sensor Side
      G12438135
    • Sub Sensor Side
      G12438136

       
    Accelerator Pedal Sensor Accelerator Pedal Terminal No. Standard
    Main Not depressed (full closed) 23 (+) and 29 (-) 0.4 - 1.0 V
    Depressed (full opened) 2.4 - 3.7 V
    Sub Not depressed (full closed) 31 (+) and 30 (-) 0.3 - 1.1 V
    Depressed (full opened) 2.3 - 3.8 V
  4. After inspection, install the related parts in the reverse order of removal.