Condition for fault identification

Temperature precondition:

• None

Time precondition:

• Constant exhaust mass flow greater than 50 kg/h.

Other preconditions:

• Engine running.

Pressure drop over throttle valve greater than limit value: 18 mbar

Ambient pressure higher than limit value: 745 mbar

Engine speed is greater than the lower limit value and less than the upper limit value:

• lower limit value: 500 RPM
• upper limit value: 7100 RPM
• Dynamics of the engine speed (change in speed per second) less than the following limit value: between 133 RPM and 200 RPM (depending on the version).
• Dynamics of the load (change of the load) is less than the following limit value: 7%

Control unit voltage: 9 V to 16 V.

Terminal 15 on