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Home >> Subaru >> 2021 >> WRX Premium, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> Engine Control Module (ECM) >> Removal
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Engine Control Module (ECM): Removal

  1. Disconnect the ground terminal from battery sensor. Refer to NOTE>NOTE>BATTERY .
  2. Remove the clip (A) and clip (B) which secure the engine wiring harness and bulkhead harness from the bracket, and remove the bolt which secures the ECM to the bracket.
    G12444223Courtesy of SUBARU OF AMERICA, INC.
  3. Pull out the ECM from the bracket.
    NOTE: When performing the pulling out operation, pay attention not to apply excessive load to the breather filter portion (a) in order to avoid the damage.
    G10266253Courtesy of SUBARU OF AMERICA, INC.
  4. While pressing the section (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the connectors from the ECM in numerical order as shown in the figure.
    G10266254Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the bracket from ECM.
    G10266255Courtesy of SUBARU OF AMERICA, INC.
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