Condition for fault identification

Temperature precondition:

• None

Time precondition:

• None

Other preconditions:

• Engine running.
• Driving speed greater than limit value: 55 km/h
• Air mass flow between lower and upper limit value for a certain period.

Lower limit value: between 40 kg/h and 52 kg/h (depending on the version).

Upper limit value: between 180 kg/h and 240 kg/h (depending on the version).

Period: 24 s

Control unit voltage: 9 V to 16 V.

Terminal 15 on