LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Fuel Injection System (Except For STI)) >> Engine Control Module (ECM) >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module (ECM): Removal

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the ground terminal from battery sensor. Ref. to 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.
    G12444223
  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.
    G10266253
  4. While pressing the part (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.
    G10266254
  5. Remove the bracket from ECM.
    G10266255
scientia non olet · About LEMON Manuals