2012 Subaru Forester X, Automatic TransFACTORY OEM SERVICE PROCEDURE

Check Accelerator Pedal Sensor Area (Method With Circuit Tester)

  1. Remove the glove box lower cover. Refer to REMOVAL , Glove Box.
  2. Remove the lower inner trim of passenger's side. Refer to REMOVAL , Lower Inner Trim
  3. Turn over the floor mat of passenger's seat.
  4. Remove the protect cover.
    Fig 1: Locating Protect Cover Screws
    G07665096Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the nuts and bolts which hold the ECM to the bracket.
    Fig 2: Locating ECM Nut And Bolt
    G07665097Courtesy of SUBARU OF AMERICA, INC.
  6. Turn the ignition switch to ON. (engine OFF)
  7. Measure the voltage between ECM connector terminals.

    Main sensor side

    Fig 3: Measuring Voltage Between ECM Connector Terminals (Main Sensor Side)
    G07665098Courtesy of SUBARU OF AMERICA, INC.

    Sub sensor side

    Fig 4: Measuring Voltage Between ECM Connector Terminals (Sub Sensor Side)
    G07665099Courtesy of SUBARU OF AMERICA, INC.
    TERMINAL REFERENCE CHART

    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
  8. After inspection, install the related parts in the reverse order of removal.

Tightening torque:Β 

7.5 N.m (0.8 kgf-m, 5.5 ft-lb)Β 

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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