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. Disconnect the intake air temperature (IAT) sensor connector (1).
3. Remove the IAT sensor.

### Installation Procedure

1. Install the IAT sensor.
2. Connect the IAT sensor connector (1).
3. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.