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. TCM has previously been on the bus on some occasion.

Fault criteria: 

• No communication for more than 3 s.

Dependents: 

• None.

System reaction to a fault: 

• Max. engine torque (Bus from TCM) set to 310 N.m.

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.