Operation CHARM: Car repair manuals for everyone.

Engine Control Module: Service and Repair






Engine control module (ECM), replacing

Preparations

Side panels, removing




Remove the screw (A) on the right and left side.
Remove the side panel on the right and left side.

Turning off ignition





Caution! At the earliest, disconnect connectors to the control module 30 seconds after the ignition has been turned off and the electric cooling fan has stopped running.

Control module, replacing

Removing the control module




Drill out shear screw for lock band.

Note! Remove drill burrs.

Remove lock band.
Remove screws that hold control module.
Wiggle out control module on the right side.
Loosen connector.

Control module, installing




Check that no pins or sleeves are damaged on the connector or control module.
Install connector on control module.
Bolt down control module.
Reinstall lock brace and new shear screw

Finishing

Ordering software
Connect VIDA-station to car.
Select vehicle model, model year, engine alternative, and write chassis number in vehicle profile.
Order and download appropriate software.

Reading out and erasing diagnostic trouble codes
Read out and erase diagnostic trouble codes.
Bolt down control module ECM.
Tighten until shear screw breaks.
Reinstall side panels on the right and left side.
Test the function.