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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Speed Control System (WRX-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 REMOVAL , Glove Box. >
  2. Turn the ignition switch to ON. (engine OFF)
  3. Measure the voltage between ECM connector terminals.
    • Main sensor side
      Fig 1: Measuring Voltage Between ECM Connector Terminals - Main Sensor Side
      G10290688Courtesy of SUBARU OF AMERICA, INC.
    • Sub sensor side
      Fig 2: Measuring Voltage Between ECM Connector Terminals - Sub Sensor Side
      G10290689Courtesy of SUBARU OF AMERICA, INC.
    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.
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