O2 Sensor Heating Ahead of TWC, Bank 2 - Above Limit

P1119

5 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.

Work Instruction 1 - 2:

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




Oxygen sensors ahead of and after catalytic converter