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Home >> Subaru >> 2019 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (STI) >> Throttle Body >> Inspection >> Throttle Sensor Inspection (Method With Subaru Select Monitor) >> Notes
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Throttle Sensor Inspection (Method With Subaru Select Monitor): Notes

  1. Turn the ignition switch to ON. (Engine OFF)
  2. Read the throttle opening angle signal and voltage of throttle sensor using Subaru Select Monitor. Refer to ENGINE (DIAGNOSTICS) (STI)>SUBARU SELECT MONITOR>OPERATION>DISPLAY CURRENT ENGINE DATA (NORMAL MODE) .
Throttle sensor Throttle opening angle signal Standard
Main 0.0% Approx. 0.6 V
100.0% Approx. 3.96 V
Sub 0.0% Approx. 1.48 V
100.0% Approx. 4.17 V