On-Board Diagnostics

Type of diagnosis: 

• Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria: 

• Crankshaft rotating. Main relay voltage above 10V.

Fault criteria: 

• Frequency lower than 500 Hz for more than 0.5 s.

Dependents: 

• None.

System reaction to a fault:

• Fuel adaptation reset. Intake pressure and intake air temperature used as substitute values.

OK report: 

• 60 s has past since start. Fault criteria for P0100 , P0102  or P0103  not fulfilled.
• Conditions for multiplicative fuel adaptation fulfilled. Mass air flow sensor value corresponds with both the air mass flow calculated from intake manifold pressure and the air mass flow calculated from throttle position.

Fault handling:  (For more information, see FAULT HANDLING III, OTHER EMISSION-RELATED COMPONENTS AND FUNCTION ).

• Type III.