You will need a socket «on 10».
1. Disconnect the wire from the terminal «minus» battery.
2. Press the left...
3....and right lid retainers...
4.... and remove the cover of the mounting block of the relay and fuses and the computer.
5. Turn away two nuts of fastening of ECU.
6. Pull out the latch in the direction of the arrow...
7.... disconnect the wiring harness block and remove the computer.
8. Install the parts in the reverse order of removal.