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Home >> Subaru >> 2011 >> Forester X, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (Fuel Systems) (H4DO) >> Throttle Body >> Inspection >> Throttle Sensor (Method With Circuit Tester)
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Throttle Sensor (Method With Circuit Tester)

  1. Remove the glove box lower cover. < Ref. to REMOVAL , Glove Box. >
  2. Remove the lower inner trim of passenger's side. < Ref. 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 Mounting Bolts
    G07664660Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the nuts and bolts which hold the ECM to the bracket.
    Fig 2: Locating ECM Bracket Nuts And Bolts
    G07664661Courtesy of SUBARU OF AMERICA, INC.
  6. Turn the ignition switch to ON. (engine OFF)
  7. Measure the voltage between ECM connector terminals.
    Fig 3: Measuring Voltage Between ECM Connector Terminals
    G07664662Courtesy of SUBARU OF AMERICA, INC.
    ECM CONNECTOR TERMINALS REFERENCE CHART

    Throttle sensor Accelerator pedal Terminal No. Standard
    Main Not depressed (Full closed) 18 (+) and 29 (-) Approx. 0.6 V
    Depressed (Full opened) Approx. 4.0 V
    Sub Not depressed (Full closed) 28 (+) and 29 (-) Approx. 1.5 V
    Depressed (Full opened) Approx. 4.2 V
  8. After inspection, install the related parts in the reverse order of removal.

    Tightening torque: 

    7.5 N.m (0.8 kgf-m, 5.5 ft-lb) 

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