Condition for fault identification
Voltage precondition
- Vehicle voltage between $(UBDTEVPMN) and $(UBDTEVPMX)
Temperature condition
- Coolant temperature during engine start is less than ambient air temperature plus $(TMSTCLST)
- Coolant temperature greater than $(TMDTEVPU) and coolant temperature at engine start less than $(TMSTDTE)
- Ambient temperature between $(TUMGDTEMN) and $(TUMGDTEMX)
Time condition
- $(TNSTESMN) after engine start
Other preconditions
- Engine ON
- Vehicle speed between $(VFZGDTEMN) and $(VFZGDTEMX)
- low partial load
- Fuel tank level less than $(FSTTDTEMX)
Terminal status
- Terminal 15