Home/Audi/TT/Audi TT 8N (1998-2003)/Repair manual/Exhaust/Test-B: Oxygen Sensor Behind Catalytic Converter Bank 2- Se…
Contents Wiring diagrams Section: Exhaust All sections

Test-B: Oxygen Sensor Behind Catalytic Converter Bank 2- Sensor 2 Audi TT 8N

  1. Connect the scan tool.
  2. Start the engine and let run at idle speed.
  3. Select "Mode 6: Check test the results of components that are not continuously monitored".

Select "Test-B".

  1. Select the desired "Test-ID".
  2. Check specified values at idle.
Test-ID (TID) (Hex-ID)DTCComponent or SystemMin.Max.Additional Information
01 ($01)Voltage barrier from rich to lean (fixed value).
02 ($02)Voltage barrier from lean to rich (fixed value).
07 ($07)Minimum oxygen sensor voltage value in this driving cycle.30 mV400 mV
08($08)Maximum sensor voltage value in this driving cycle.500 mV1075 mV
  1. If any component or system fails to meet the specified values, refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure.
  2. Switch the ignition off.

End of diagnosis.