Work step: 11

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Diagnostic test: Three Way Catalytic Converter (TWC)

Display will appear as shown

Fig 1: VAG 1551/1552 Scan Tool Display: Readiness Code, Creating, Work Step 11 (1 Of 2)

Press -1-, -3- and -6- buttons to input display group 136.
Press -Q- button to confirm input.

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

Fig 2: VAG 1551/1552 Scan Tool Display: Readiness Code, Creating, Work Step 11 (2 Of 2)

Increase engine speed between 2700 and 3300 RPM, check specifications after 120 seconds.

DISPLAY GROUP: 136 FUNCTION: 04

	Display fields
	1	2	3	4
Display group: 136 Function: 04
Display	xxxx rpm	xxx.x °C	x.xx	xxxx xxxx
Indicated	Engine speed	Three way catalytic converter temperature	Three way catalytic converter efficiency	Diagnostic conditions
Specification	2700 to 3300 rpm	At least 360 °C	0.3 max.	1111 x100 x = Not relevant
Working range	800 to 6000 rpm	0.0 to 999.9 °C

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 control before TWC active
	1							TWC has its minimum temperature
		1						Load range OK.
			1					Heated oxygen sensor after TWC operationally ready
					1			CYCLE Bit = Diagnosis completed
						0		Diagnosis malfunction free
							0	DTC memory malfunction free

Press -C- button.