Engine Control Module, with Protective Housing

Engine Control Module, with Protective Housing

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

Special tools, testers and auxiliary items required

• Cutting grinder, for example axial grinder (VAS 6682)

• Shear bolts attach the protective housing. It is not possible to remove the shear bolts without damaging them. Use axial grinder (VAS 6682) or a commercially available cutting grinder to remove the shear bolts. Replace the protective housing if it gets damaged.

Removing

- Turn off the ignition.

- Remove the battery.

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






- Free up the wiring harness and pull the ECM upward out of its mount. Push the locking mechanism - arrows - to the side.






- Remove the bolts - A -. Push the wiring harness as far as possible to the side. Remove the plate - B -.






- Unlock the connector and pull it off the ECM.

Installing






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

- If the ECM was replaced, then attach the bracket - 4 - to the ECM with 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 plate - 5 - with shear bolts - 2 -.

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

- Install the E-box cover - arrows -.






- Install the battery.