Engine Control Module: Service and Repair

Engine Control Module

• If it is necessary to replace the Engine Control Module (ECM), connect the vehicle diagnostic tester and perform the "Replace control module" guided function.

Removing

- Turn off the ignition.

- Remove the E-box cover - arrows - inside the engine compartment.






Vehicles with Anti-Theft Protection:






- Remove the bolts - 2 -.

- Remove the locking mechanism - 5 -.

- Disconnect the connectors - 1 and 3 - from the ECM.

Only if the ECM has to be replaced:

- Remove the bolts - 6 - and the bracket - 4 -.

Vehicles without Anti-Theft Protection:

- Disconnect the connectors - 1 and 3 - from the ECM.

Continuation for all Vehicles:






- Push the tabs on the side guides - 3 - carefully toward the outside with a screwdriver - 2 -.

- Remove the ECM - 1 - from the guides - 3 -.

Installing

- Install the ECM - 1 - into the guides - 3 - until it locks.






Vehicles with Anti-Theft Protection:






- Attach the bracket - 4 - to the ECM with the shear bolts - 6 -.

- Tighten the shear bolts - 6 - just enough until the bolt head breaks off.

- Connect the connectors - 1 and 3 - to the ECM.

- Install the locking mechanism - 5 - with shear bolts - 2 -.

- Tighten the shear bolts - 2 - just enough until the bolt head breaks off.

Vehicles without Anti-Theft Protection:

- Connect the connectors - 1 and 3 - to the ECM.

Continuation for all Vehicles:






- Install the E-box cover - arrows -.