Work step: 17

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Diagnostic test: Heated Oxygen Sensor (HO2S) after three way catalytic converter

Display will appear as shown

Fig 1: VAG 1551/1552 Scan Tool Display: Readiness Code, Creating, Work Step 17 (1 Of 2)

Press -1-, -1- and -6- buttons to input display group 116.
Press -Q- button to confirm input.

Display will appear as shown (1 -4 = display fields)

Fig 2: VAG 1551/1552 Scan Tool Display: Readiness Code, Creating, Work Step 17 (2 Of 2)

Increase engine speed between 2200 and 2800 RPM and check specifications after 15 seconds.

DISPLAY GROUP 116, FUNCTION: 04

	Display fields
	1	2	3	4
Display group: 116 Function: 04
Display	xxxx ms	xxx.x °C	x.xx V	xxxx xxxx
Indicated	Delay time	Three way catalytic converter temperature	HO2S 2 (S2) voltage, O2S switching	Diagnostic conditions
Specific.	Approx. 1200 ms	At least 360 °C -	At least 0.6 V -	1011 x100 x = Not relevant
Working range		0.0 to 999.9 °C	0 to 1.0 V

RELEVANCE OF 8 DIGIT NUMBER BLOCK IN DISPLAY FIELD 4

Relevance of 8 digit number block in display field 4
1	2	3	4	5	6	7	8	Specifications of diagnostic conditions
1								Oxygen sensor heating after Three Way Catalytic Converter (TWC) is switched on
	0							HO2S is operationally warm
		1						HO2S after TWC operationally ready
			1					Oxygen sensor control before TWC is active
					1			CYCLE Bit = Diagnosis completed
						0		Diagnosis malfunction free
							0	DTC memory malfunction free

Press -C- button.