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Home >> Subaru >> 2021 >> WRX Limited, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.0L) >> Engine Control Module (ECM) >> Installation
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Engine Control Module (ECM): Installation

Install in the reverse order of removal.

CAUTION:
  • When the ECM of model with immobilizer has been replaced, be sure to perform the registration of immobilizer system.
    • For model without keyless access with push button start, refer to the Type B in "REGISTRATION MANUAL FOR IMMOBILIZER".
    • For model with keyless access with push button start, refer to the Type D in "REGISTRATION MANUAL FOR IMMOBILIZER".
  • When the ECM has been replaced, be sure to perform the registration of VIN. Refer to ENGINE (DIAGNOSTICS) (W/O STI)>SUBARU SELECT MONITOR>OPERATION>V.I.N REGISTRATION .
NOTE:
  • When replacing the ECM, be careful not to use the ECM of wrong specification to avoid any damage on the fuel injection system.
  • When installing the bracket (A) to the ECM, press to install it in the direction of the arrow.
    G10266256Courtesy of SUBARU OF AMERICA, INC.
  • Insert the ECM into the bracket cushion.
G10266257Courtesy of SUBARU OF AMERICA, INC.

Tightening torque: 

7.5 N.m (0.8 kgf-m, 5.5 ft-lb)