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Home >> Subaru >> 2021 >> Ascent Premium >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Speed Control System >> Accelerator Pedal >> Inspection >> Check Accelerator Pedal Sensor Area (Method With Circuit Tester)
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Check Accelerator Pedal Sensor Area (Method With Circuit Tester)

  1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  2. Disconnect the ECM connector. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Engine Control Module (ECM)>REMOVAL .
  3. Attach the ST between ECM and the engine wiring harness and the bulkhead harness. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>General Description>PREPARATION TOOL>HOW TO USE CHECK BOARD .

    Special tool:

    CHECK BOARD (18460AA150)

  4. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  5. Turn the ignition switch to ON.
  6. Measure the voltage between ECM connector terminals.
    G13199199Courtesy of SUBARU OF AMERICA, INC.
    Accelerator pedal sensor Accelerator pedal Terminal No. Standard
    Main Not depressed (full closed) 16 (+) - 61 (-) 0.4 - 1.0 V
    Depressed (full opened) 2.4 - 3.7 V
    Sub Not depressed (full closed) 42 (+) - 48 (-) 0.4 - 1.0 V
    Depressed (full opened) 2.4 - 3.7 V
  7. After inspection, restore the vehicle to its original state.
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