vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Diagnostic Information and Procedures > < Engine Control Unit, Remove and Install (X 20 XEV)

Control Unit

 

The Simtec 56.1 electronic control unit is located on the left in the engine compartment, in front of the left spring strut dome, in the relay frame.

 

The functions for the DIS ignition system, the knock control system and the EGR system have been integrated into the control unit and the characteristic maps have been adapted.

 

Version coding is possible via TECH 1.

 

Control unit part numbers:

 

Engine

Opel Part No.

Opel Part / Catalogue No.

 

(Production)

(Service)

X 20 XEV

90 378 653

90 509 218 / 12 37 647

 

 

 

Diagnostic Information and Procedures > < Engine Control Unit, Remove and Install (X 20 XEV)