Engine Control Module Without Metal Anti-Theft Housing, Replacing

Engine Control Module without Metal Anti-Theft Housing, Replacing

Removing ECMs with metal anti-theft housing. Refer to => [ Engine Control Module with Metal Anti-Theft Housing, Replacing ] Engine Control Module With Metal Anti-Theft Housing, Replacing.

• When the Engine Control Module is disconnected, the learned values are erased but the contents of the DTC memory remain intact.

Removing Engine Control Module

- Connect vehicle diagnostic, testing and information system (VAS 5051) and select control module for engine electronics using "Address word" 01.

For this purpose, the ignition must be switched on.

The control module identification and the coding - 2 - is shown on the display of the tester (VAS 5051).





- Always start by displaying and printing out control module identification.

- Switch ignition off.

- Remove rubber seal - 1 - from plenum chamber cover toward front.





- Take out plenum chamber cover.

- Remove both wiper blade arms - 2 - (mark position).

- Unclip trim (arrows).

- Remove protective housing for control modules.





- Carefully pry off retainer bar with a screwdriver (arrow).





- Release connector fixings (arrows) and disconnect control module connectors - 1 - and - 2 -.





- Remove old Engine Control Module and install new Engine Control Module.

Installing Engine Control Module

Installation is performed in the reverse sequence.

The following operations must be performed after installing the Engine Control Module:





• Perform encoding of new Engine Control Module.

• Adapt Immobilizer to Engine Control Module. Additional Information, Quick Reference, Immobilizer III Service Procedures

• Perform adaptation of Throttle Valve Control Module (J338).

• Perform adaptation of the exhaust gas recirculation valve.

• In vehicles with cruise control system (recognizable by the steering column switch) this must be activated in the Engine Control Module.

• Check DTC memory and erase, if necessary.

The sequence is described in:

vehicle diagnostic, testing and information system (VAS 5051)