On-Board Diagnostics

Type of diagnosis: 

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

Enable criteria 

• Engine running. Main relay voltage exceeding 10V. Output not active.

Fault criteria 

• Output voltage below 2V. Conditions fulfilled within 10 periods that must occur within 60 s. (Normally, it takes about 1 s to generate the trouble code.)

Dependents 

• None

System reaction to a fault 

• None

OK report 

• Enable criteria fulfilled. Fault criteria not fulfilled within 60 s.

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

• Type III.