Step 5: Oxygen Sensor (O2S) control operating condition

Indicated on display

Fig 1: VAG Scan Tool Display - Oxygen Sensor Control Operating Condition (1 Of 3)

• Press buttons -0- and -8- to select "Read Measuring Value Block" function 08, and press -Q- button to confirm input.

Indicated on display

Fig 2: VAG Scan Tool Display - Oxygen Sensor Control Operating Condition (2 Of 3)

• Press buttons -0-, -3- and -0- to input display group number 30 (030), and press -Q- button to confirm input.

Indicated on display (1 -4 = display fields)

Fig 3: VAG Scan Tool Display - Oxygen Sensor Control Operating Condition (3 Of 3)

• Increase engine speed to 1800-2200 RPM.
• Hold at 1800-2200 RPM until specified value "111" is shown in all of display fields 1 -4. See STEP 6: OXYGEN SENSOR (O2S) AGING (TIME PERIOD) .
  DISPLAY GROUP 30: OXYGEN SENSOR (O2S) CONTROL OPERATING CONDITION, BANK 1 AND BANK 2 DISPLAY FIELDS
  
  

  	Display fields
  	1	2	3	4
  Display group 30: Oxygen Sensor (O2S) control operating condition, Bank 1 and Bank 2
  Display	xxx	xxx	xxx	xxx
  Indicated	Status of Heated Oxygen Sensor (HO2S), bank 1, sensor 1, before TWC	Status of Heated Oxygen Sensor (HO2S) 2, bank 1 sensor 2, after TWC	Status of Heated Oxygen Sensor (HO2S), bank 2, sensor 1, before TWC	Status of Heated Oxygen Sensor (HO2S) 2, bank 2 sensor 2, after TWC
  Specified value	111	111	111	111
  Evaluation, see STEP 6: OXYGEN SENSOR (O2S) AGING (TIME PERIOD)

If one of the specified values is not indicated:

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

If the specified values for display fields 1 --4 are not indicated:

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

  Explanation of 3 -digit value in display fields 1 through 4: 

  EXPLANATION OF 3 -DIGIT VALUE IN DISPLAY FIELDS 1 THROUGH 4
  
  

  When display = 1
  1	2	3
  		1	Oxygen Sensor (O2S) control active
  	1		Heated Oxygen Sensor (HO2S) operational
  1			Oxygen Sensor (O2S) heater ON