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.

Notice: Refer to Fastener Notice in the Preface section.

3. Install the ECM bolts.

Tighten
Tighten the bolts to 8 N·m (71 lb in).

4. Connect the negative battery cable.
5. Perform a crankshaft position system variation learning procedure. Refer to Crankshaft Position System Variation Learn .