Oxygen Sensor Ahead of TWC, Bank 1 - Signal Implausible

P1115

13 Oxygen Sensor Ahead of TWC, Bank 1 - Signal Implausible

Diagnosis conditions
- Mass air flow above 32 kg/h
- No other oxygen sensor faults
- Battery voltage between 9.5 V and 16 V

Possible fault cause
- Open circuit
- Oxygen sensor heating faulty
- DME control module

Affected terminals
II/19

Diagnosis/Troubleshooting

NOTE: Do not use contact spray on the connectors to oxygen sensor.

Part 1:

Part 2:

NOTE: Do not exchange oxygen sensors ahead of catalytic converter and after catalytic converter.