LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> Crosstrek Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4DO) >> Throttle Body >> Inspection >> Throttle Sensor (Method With Circuit Tester)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Sensor (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.
    Fig 1: Locating ECM Connector Terminals
    G09475469Courtesy of SUBARU OF AMERICA, INC.
    Fig 2: Measuring Voltage Between ECM Connector Terminals
    G11583986Courtesy of SUBARU OF AMERICA, INC.
    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
  4. After inspection, install the related parts in the reverse order of removal.