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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> Throttle Body >> Inspection >> Throttle Sensor (Method With SUBARU Select Monitor)
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Throttle Sensor (Method With SUBARU Select Monitor)

  1. After warming-up the engine, turn the ignition switch to OFF.
  2. Turn the ignition switch to ON. (engine OFF)
  3. Read the throttle opening angle signal and voltage of throttle sensor using Subaru Select Monitor. <Ref. to DISPLAY CURRENT ENGINE DATA , OPERATION, Subaru Select Monitor.>
NOTE: Due to the specification of the Subaru Select Monitor, value read from the throttle opening angle signal is highlighted and displayed as the voltage readings of sub throttle sensor.
Throttle sensor Throttle opening angle signal Standard
Main 0.0% Approx. 0.7 V
100.0% Approx. 3.9 V
Sub 0.0% Approx. 1.1 V
100.0% Approx. 4.4 V