Disconnect the negative battery cable before removing it.
Removing
1. Disconnect the connector from the air flow sensor.
2. Loosen the fixing screws (indicated by arrows) and remove the sensor from the throttle body and remove its O-ring (if installed).
Installation
3. Installation is carried out in the reverse order of removal. Use a new O-ring when installing (if installed) and tighten the fixing screws securely.