For 1990-2009 cars

### Removal Procedure

Caution: Refer to Battery Disconnect Caution in the Preface section.

1. Disconnect the negative battery cable.
2. Remove the air intake tube and resonator.
3. Disconnect the engine control module (ECM) connectors from the ECM.
4. Remove the ECM.

### Installation Procedure

1. Connect the ECM connectors to the ECM.
2. Align the ECM into the mounting base.
3. Snap the ECM into its mounting base.
4. Install the ECM trim locks.
5. Connect the negative battery cable.
6. Perform a crankshaft position system variation learning procedure. Refer to Crankshaft Position System Variation Learn .
7. Refer to Control Module References for programming and setup information.