Throttle control unit – lower stop not reached
Throttle control unit – voltage low during basic setting
Fuel quantity adjuster – lower stop value
Fuel quantity adjuster – upper stop value
Fuel quantity adjuster – control difference
Maximum engine RPM exceeded
Throttle control unit – basic setting malfunction
Idle speed control (ISC) actuator/throttle motor – circuit malfunction
Turbocharger (TC) pressure – control limit exceeded
Turbocharger (TC) pressure – control limit not reached
