Engine Control Module without Anti-Theft Protection

Engine Control Module without Anti-Theft Protection

Special tools, testers and auxiliary items required

• Vehicle Diagnosis, Testing and Information System (VAS 5051 B)

• If the ECM is to be replaced, connect the and perform the "Guided Function, Replacing Engine Control Module".

Removing

Conditions

• Ignition switched off.

Procedure

- Remove wiper arms and plenum chamber cover.

- Remove plenum chamber bulkhead.

- Remove securing bolts - 1 - and remove cover plate - 2 -.





- Disengage front harness connector - 1 - from the engine control module and disconnect it.





- Pry up locking mechanism - 2 - slightly.

- Push the ECM in the direction of - arrow - and out of the retaining plate.

- Release rear connector from the ECM and remove it.

Installing

- Connect rear connector to the ECM and lock it into place.

- Slide the ECM on to the retaining plate.

- Press catch - 2 - against the ECM.





- Now connect and secure the front connector - 1 - to the ECM.

- Install the plenum chamber bulkhead.

- Install the wiper arms and the plenum chamber cover.

- If the ECM was replaced, connect the vehicle diagnostic tester and perform the "Guided Function, Replacing Engine Control Module".

- Read the ECM DTC memory and erase all DTC entries.

- Perform a test drive.

• Observe safety precautions that apply to road tests. Refer to --> [ Safety Precautions ] Safety Precautions.

- Again, check the engine control module DTC memory.