P1115

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.







Oxygen sensors ahead of and after catalytic converter

13 Oxygen Sensor Heating Ahead of TWC, Bank 1 - Open Circuit

Diagnosis conditions
- Battery voltage between 9.5 V and 16 V
- Time elapsed after engine start-up greater than 10 seconds

Possible fault cause
- Open circuit

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.







Oxygen sensors ahead of and after catalytic converter

13 Oxygen Sensor Ahead of TWC, Bank 1 - Below Limit

Diagnosis conditions
- Battery voltage between 9.5 V and 16 V
- Time elapsed after engine start-up greater than 10 seconds

Possible fault cause
- Short circuit to ground

Affected terminals
II/19

Diagnosis/Troubleshooting

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







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







Oxygen sensors ahead of and after catalytic converter

13 Oxygen Sensor Heating Ahead of TWC, Bank 1 - Above Limit

Diagnosis conditions
- Battery voltage between 9.5 V and 16 V
- Time elapsed after engine start-up greater than 10 seconds

Possible fault cause
- Short circuit to B+

Affected terminals
II/19

Diagnosis/Troubleshooting

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







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







Oxygen sensors ahead of and after catalytic converter