This function shuts off the fuel pump. The engine should be running and it will be noticeable when the fuel pressure drops until the engine stops. When the engine has stopped, turn off the ignition and then turn on the ignition again, and the fuel pressure will build up again.
Activation should take place with the engine running.
Test conditions:
Engine on.
Parking brake applied.
Procedure:
Start the function.
Follow the instructions in the program.
The function is done.