O2 Sensor Circuit

Diagnostic conditions 

• Battery positive voltage between 10 V and 16 V
• Oxygen sensor heating switched on for at least 120 seconds
• Exhaust temperature between 200°C and 800°C

Possible cause of fault 

• Oxygen sensor faulty

Affected pins 

DME control module connector II, pin 11 and oxygen sensor jack, bank 1, pin 3

DME control module connector II, pin 17 and oxygen sensor jack, bank 1, pin 4