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HOMESERVICE MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSSPEED CONTROL SYSTEMS (H4DO)ACCELERATOR PEDAL
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans

Check Accelerator Pedal Sensor Area (Method With Circuit Tester)

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Accelerator Pedal
  • Non-turbo model 
  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)
    G09476655Courtesy of SUBARU OF AMERICA, INC.

    Sub sensor side

    Fig 2: Measuring Voltage Between ECM Connector Terminals (Sub Sensor Side)
    G09476656Courtesy 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.
  • Turbo model 
  1. Disconnect the ground cable from battery.
  2. While pressing the area (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the connectors from ECM.
    Fig 3: Disconnecting Connectors From ECM
    G09476657Courtesy of SUBARU OF AMERICA, INC.
  3. Install the special tool between the ECM and body harness and the engine harness. < Ref. to CAUTION , General Description. >

    ST 18460AA030 CHECK BOARD

  4. Connect the ground cable to battery.
  5. Turn the ignition switch to ON. (engine OFF)
  6. Measure the voltage between ECM connector terminals using ST. Main sensor side
    Fig 4: Measuring Voltage Between ECM Connector Terminals (Main Sensor Side)
    G09476658Courtesy of SUBARU OF AMERICA, INC.

    Sub sensor side

    Fig 5: Measuring Voltage Between ECM Connector Terminals (Sub Sensor Side)
    G09476659Courtesy of SUBARU OF AMERICA, INC.
    Accelerator pedal sensor Accelerator pedal Terminal No. Standard
    Main Not depressed (full closed) 17 (+) and 31 (-) 0.4 - 1.0 V
    Depressed (full opened) 2.4 - 3.7 V
    Sub Not depressed (full closed) 29 (+) and 19 (-) 0.4 - 1.0 V
    Depressed (full opened) 2.4 - 3.7 V
  7. After inspection, install the related parts in the reverse order of removal.
RENDER: 1.0x

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When to See a Mechanic

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

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