DME 7.8
P1119Oxygen Sensor Heating Ahead of TWC, Bank 2 - 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/13
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
Oxygen Sensor Heating Ahead of TWC, Bank 2 - 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/13
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
Oxygen Sensor Heating Ahead of TWC, Bank 2 - 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/13
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
Oxygen Sensor Heating Ahead of TWC, Bank 2 - 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/13
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
