This function is used to activate a function and check that output signals are correct.
Activation is not continuous, it takes place in several cycles.
Test conditions:
Engine off.
Ignition on.
Immobilizer inactive.
Air control should not be at 0.
Procedure:
Start the function.
Press "Start" to activate the component.
Press "Stop" to deactivate the component.
The function is done.
If the function fails, check the test conditions and repair any faults.