FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Engine Control Module, With Anti-Theft Protection






Engine Control Module, with Anti-Theft Protection

If the Engine Control Module (ECM) will be replaced, connect the vehicle diagnostic tester and perform the guided function "Replacing Engine Control Module".

The threads on the shear bolts may have locking compound on them. Heat the shear bolts using a hot air gun (VAS 1978/14) so they are easier to remove. Do not to damage any wires, connectors or components nearby when doing this.

Removing

- Turn off the ignition.

- Remove the windshield wiper arm.

- Remove the plenum chamber bulkhead.

- Press the frame downward in the - direction of the arrow - and remove the ECM.






- Remove the shear bolts - arrows - with the pliers.






- Slide the screwdriver between both of the locking plates - arrow -.






- Carefully press the screwdriver in the - direction of the arrow - and at the same time bend the securing bracket - 1 - upward.

- Bend the locking bracket - 1 - in the - direction of the arrow - until it can be removed from the connectors.






- Push the locking mechanism for the connector in the - direction of the arrow - and remove the connector.






Installing

- Connect the connector to the ECM and push the locking mechanism all the way until the stop in the - direction of the arrow -.






- Place the securing bracket - 1 - onto the connector and press it in the - direction of the arrow -.






- Guide the bolts - 2 - all the way into the opening on the ECM until they stop.

- Secure the locking bracket to the ECM with new shear bolts- arrows -.






- Tighten the shear bolts evenly until the bolt heads shear off.

- Place the ECM into the frame and press the frame upward in the - direction of the arrow -.






- Install the plenum chamber bulkhead.

- Install the windshield wiper arm.