Faulty Signal

ECM-220A REAR HEATED OXYGEN SENSOR (HO2S)
FAULTY SIGNAL

Replacing Component
Try a new rear heated oxygen sensor (HO2S)
- To replace the heated oxygen sensor (HO2S), Heated Oxygen Sensor (HO2S), Replacing


Verification



Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off.
- Reconnect connectors, reinstall components etc.
- Start the engine and let it idle.
- Read the signal from the rear Heated Oxygen Sensor (HO2S).
The value should increase and exceed 0.67 V within 5 minutes.

Is the value OK?
Yes - Testing Complete
No - Continue Below.


Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.