For 1990-2009 cars

### Removal Procedure

1. Remove the battery. Refer to Battery Replacement.
2. Disconnect the engine control module (ECM) connectors.
3. Remove the ECM from the battery tray.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

1. Install the ECM using the ECM bracket bolts and tighten to 12 N·m (106 lb in).
2. Connect the ECM connectors.
3. Install the battery. Refer to Battery Replacement.