To access the fuse box, open the hood of your Corsa and locate the black plastic cover on the driver's side of the engine compartment.
Remove the cover to expose the fuses inside.
The ABS fuse is usually labeled as "ABS" or "ABS PUMP". It is a 30 amp fuse and it should be in good condition, without any signs of damage or corrosion.
If the ABS fuse is blown, replace it with a new fuse of the same amperage.
It is important to use a fuse of the correct amperage to avoid any electrical problems.