Engine Control Module: Service and Repair

18.30.03 Engine Control Module (ECM)

If the ECM is to be replaced then Testbook/T4 must be connected and correct procedures adhered to, prior to battery disconnection.

Before disconnecting the battery, ensure all text and cautions in the battery disconnection section are observed.

Remove
1. Disconnect battery earth lead.





2. Remove 10 Allen screws securing 'E' box cover and remove cover.





3. Disconnect 5 multiplugs from ECM.
4. Release 2 clips and remove ECM.

Refit
1. Fit new ECM and connect multiplugs.
2. Fit 'E' box cover and tighten Allen screws to 2 Nm (1.5 lbf.ft).
3. Connect battery earth lead.
4. Reprogramme a new ECM using TestBook/T4.

CAUTION: The ECM can only be reprogrammed a maximum of 14 times.