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Check Accelerator Pedal Sensor Area (Method With Circuit Tester)

  1. Disconnect the ground terminal from battery sensor. REPAIR CONTENTS>NOTE>BATTERY
  2. Remove the ECM. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>Engine Control Module (ECM)>REMOVAL Ref. to FUEL INJECTION (FUEL SYSTEMS) (H6DO)>Engine Control Module (ECM)>REMOVAL
  3. Install the ST between the ECM and bulkhead harness and the engine wiring harness. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>General Description>CAUTION Ref. to ENGINE (DIAGNOSTICS) (H6DO)>General Description>CAUTION

    ST 18460AA050 CHECK BOARD 

  4. Connect the ground terminal to battery sensor. REPAIR CONTENTS>NOTE>BATTERY
  5. Turn the ignition switch to ON. (Engine OFF)
  6. Measure the voltage between ECM connector terminals using ST.
    • Main sensor side
      G12406700Courtesy of SUBARU OF AMERICA, INC.
    • Sub sensor side
      G12406701Courtesy of SUBARU OF AMERICA, INC.
    Accelerator pedal sensor Accelerator pedal Terminal No. Standard
    Main Not depressed (full closed) 29 (+) and 33 (-) 0.3 - 1.1 V
    Depressed (full opened) 2.3 - 3.8 V
    Sub Not depressed (full closed) 31 (+) and 34 (-) 0.3 - 1.1 V
    Depressed (full opened) 2.3 - 3.8 V
  7. After inspection, install the related parts in the reverse order of removal.
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