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 6V.

Fault criteria: 

• Voltage on one of the outputs below 2V if the output is not active or exceeding 2V if the output is active. Fault criteria fulfilled after 2 s.

Dependents: 

• None.

System reaction to a fault: 

• Closed loop is blocked.

OK report: 

• Enable criteria fulfilled and fault criteria not fulfilled within 60 s.

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

• Type III. CHECK ENGINE does not go on.