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Home >> Subaru >> 2016 >> WRX Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Fuel Injection System (WRX-STI)) >> Throttle Body >> Inspection >> Throttle Sensor Inspection (Method With Circuit Tester)

Throttle Sensor Inspection (Method With Circuit Tester)

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  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: Measuring Voltage Between ECM Connector Terminals
    G06648246Courtesy 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. 3.96 V
    Sub Not depressed (full closed) 28 (+) and 29 (-) Approx. 1.48 V
    Depressed (full opened) Approx. 4.17 V
  4. After inspection, install the related parts in the reverse order of removal.
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