FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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With Generic Scan Tool



Replacing Engine Control Module (ECM)

Work procedure
First, check control module identification of the previous Engine Control Module (ECM) as follows:
- Connect diagnostic tester.
- Switch ignition on.
- Under address word 33, select "Diagnostic mode 9: vehicle information".
- Select the vehicle information "Test-ID 04: Calibration Identification".
Control module identification will be indicated, e.g.:
022906032CR 0005
- End diagnosis and switch ignition off.







- Remove inner cover, left plenum chamber, to do this, slide center cover -1- of plenum chamber forward out of catch and remove from instrument panel.







- Remove three bolts -1-.







- Lift left cover -1- of plenum chamber in center of instrument panel (arrow A) and unclip through this (front edge clips, back edge clips).
- Pull cover -1- toward vehicle center out of bracket underneath A-pillar (arrow B).







- Carefully press back mounting bracket (arrow).
- Disengage connector from control module and then disconnect it.
- Pull control module out of mounting frame.
- Remove wiper arms and wind cowl.
- Disengage connector from control module and then disconnect it.
- Check whether the new control module identification matches the old control module identification.
- Generate readiness code.