Disconnect «negative» battery wire.
The relay block of the engine management system is located in the passenger compartment under the instrument panel below the fuse block of the vehicle's electrical system.
head «on 10» unscrew the two nuts securing the relay block.
We are filming «mass» wire from the left stud of the relay unit.
Remove the relay block from the studs.
Disconnect the common connector of the three relays of the engine management system.
Replacing the relay, install the relay unit in reverse order.