Oxygen Sensor Heating After TWC, Bank 2 - Open Circuit

P0161

374 Oxygen Sensor Heating After TWC, Bank 2 - Open Circuit

Diagnosis conditions
- Engine running

Possible fault cause
- Resistance of the oxygen sensor heating too great
- Open circuit

Affected terminals
- II/1

Diagnosis/Troubleshooting

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

Work Instruction 1 - 3:

NOTE:
- Faults are recorded in this test. Erase the fault memory.
- Do not exchange oxygen sensors ahead of catalytic converter and after catalytic converter.




Oxygen sensors ahead of and after catalytic converter