Operation CHARM: Car repair manuals for everyone.

Engine Control Module: Service and Repair

1. Disconnect the negative battery cable.
2. Remove the front console covers (right and left).
3. Disconnect the connectors from the control unit.
4. Install the control unit in the reverse order of removal.

CAUTION

When replacing an engine control unit be sure the new part is compatible with the old part. Since the December 1988 production, the material used for some of the terminals of the connector between the ECU and the engine harness has been changed from gold to tin. For complete details see TSB# F00190.