O2 Sensor Circuit

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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