Faulty Signal. Permanent Fault

Faulty signal. Permanent fault

Replacing the component




- Ignition off.
The control module has registered a fault in the heated oxygen sensor (HO2S). Try a new heated oxygen sensor (HO2S). See Heated oxygen sensor (HO2S), replacing Heated Oxygen Sensor (HO2S), Replacing.





Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the components, reconnect the connectors etc.
- Start the engine. Allow the engine to idle.
Read off the diagnostic trouble code (DTC) status for the front heated oxygen sensor (HO2S).
The text NOT READY is displayed if the diagnosis is underway.









Is NOT DETECTED displayed?

Yes - Verification completed

No - Fault-tracing information

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Fault-tracing information




Information

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.

Do you want to exit fault-tracing?

Yes - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Replacing the component

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