For 1990-2009 cars

### Removal Procedure

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

1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Unlock the ECM connector locking lever (1).
3. Remove the ECM retaining nuts (2).
4. Remove the ECM (1).

### Installation Procedure

1. Install the ECM (1).

Caution: Refer to Fastener Caution in the Preface section.

2. Install the ECM retaining nuts (2).

Tighten
Tighten the ECM retaining nuts to 8 N·m (70.8 lb in).

3. Lock the ECM connector locking lever (1).
4. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.