On-Board Diagnostics

Type of diagnosis: 

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

Enable criteria: 

• Test 1:  Engine running. Main relay voltage above 10V. Preheating active for longer than 8 min.
• Test 2:  Closed loop active.

Fault criteria: 

• Test 1:  Voltage has not been outside the range 0.300-0.600 V
• Test 2:  Closed loop active and voltage has not been outside the range 0.300-0.600 V for 10 s.

Dependents: 

• P1135  and P1136 

System reaction to a fault: 

• Closed loop is blocked.

OK report: 

• Test 1 and Test 2 performed once and fault criteria not fulfilled. 60 s. has past and closed loop is still active. Fault criteria for P0131  or P0132  not fulfilled.

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

• Type III.