Step 6: Oxygen Sensor (O2S) aging (time period)

• Press button -4- to select "Basic Setting" function 04.
• Press button -3- four times to advance to display group number 34.

Indicated on display (1 -4 = display fields)

Fig 1: VAG Scan Tool Display - Sensor (O2S) Aging, Time Period

• Hold engine speed at 1800 -2200 RPM until display changes from "Test OFF" to "Test ON" in display field 4.
• Continue to hold at 1800 -2200 RPM until specified value "B1-S1. OK" is indicated in display field 4.
  DISPLAY GROUP 34: OXYGEN SENSOR AGING, BANK 1 (TIME PERIOD OF OXYGEN SENSOR)
  
  

  	Display fields
  	1	2	3	4
  Display group 34: Oxygen sensor aging, Bank 1 (time period of oxygen sensor)
  Display	xxxx RPM	xx.xx ms	xx.xx s	Test OFF/Test ON
  				B1-S1 OK/
  				B1-S1 n. OK
  Indicated	Engine speed (increments of 40 RPM)	Engine load	Time period of HO2S before TWC, Bank 1, Sensor 1	Diagnostic status
  				Diagnostic result
  Range	0-6800 RPM	0.00-12.75 ms	0.00-5.00 s	---
  Specified value	1800 - 2200 RPM	0.80-2.00 ms	0.20-2.10 s	B1-S1 OK

If "B1-S1 n. OK" is indicated in display field 4:

• Check DTC memory. See CHECK DTC MEMORY (SCAN TOOL FUNCTION 02) .

If the specified value "B1 -S1 OK" is indicated in display field 4:

• Continue to hold engine speed at 1800 --2200 RPM.
• Press button -3- once to advance to display group number 35.

Indicated on display (1 -4 = display fields)

Fig 2: VAG Scan Tool Display - Basic Setting 35

• Hold engine speed at 1800 -2200 RPM until display changes from "Test OFF" to "Test ON" in display field 4.
• Continue to hold at 1800 -2200 RPM until specified value "B2-S1 OK" is indicated in display field 4.
  DISPLAY GROUP 35: OXYGEN SENSOR AGING, BANK 2 (TIME PERIOD OF OXYGEN SENSOR)
  
  

  	Display fields
  	1	2	3	4
  Display group 35: Oxygen sensor aging, Bank 2 (time period of oxygen sensor)
  Display	xxxx RPM	xx.xx ms	xx.xx s	Test OFF/Test ON
  				B2-S1 OK/
  				B2-S1 n. OK
  Indicated	Engine speed (increments of 40 RPM)	Engine load	Time period of HO2S before TWC, Bank 2, Sensor 1	Diagnostic status
  				Diagnostic result
  Range	0-6800 RPM	0.00 -12.75 ms	0.00-5.00 s	---
  Specified value	1800 - 2200 RPM	0.80-2.00 ms	0.20-2.10 s	B2-S1 OK

If "B2-S1 n. OK" is indicated in display field 4:

• Check DTC memory. See CHECK DTC MEMORY (SCAN TOOL FUNCTION 02) .

If the specified value "B2 -S1 OK" is indicated in display field 4:

• Continue to hold engine speed at 1800 --2200 RPM.
• Press -C- button.