LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2014 >> Legacy 2.5i, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4DO) >> Throttle Body >> Inspection >> Throttle Sensor (Method With Circuit Tester)
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Throttle Sensor (Method With Circuit Tester)

  1. Remove the back panel - pocket. Refer to REMOVAL .
  2. Turn the ignition switch to ON. (engine OFF)
  3. Measure the voltage between ECM connector terminals.
    Fig 1: Identifying ECM Harness Connectors
    G08579610Courtesy of SUBARU OF AMERICA, INC.
    Fig 2: Measuring Voltage Between ECM Connector Terminals
    G08579611Courtesy 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.