Test requirements

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Engine at idle

Indicated on Display

Fig 1: VAG 1551 Scan Tool Display - Readiness Of Oxygen Sensors Behind TWC (1 Of 2)

Courtesy of AUDI OF AMERICA, INC.

Press buttons -0-, -3- and -6- to select "display group 036" and press -Q- button to confirm input.

Indicated on display

Fig 2: VAG 1551 Scan Tool Display - Readiness Of Oxygen Sensors Behind TWC (2 Of 2)

Courtesy of AUDI OF AMERICA, INC.

Check specified values in display fields 2 and 4.

DISPLAY GROUP 036: OPERATIONAL READINESS OF OXYGEN SENSORS BEHIND TWC (BANK 1 AND BANK 2)

	Display fields
	1	2	3	4
Display group 036: Operational readiness of oxygen sensors behind TWC (Bank 1 and Bank 2)
Display	x.xxx Volt	Test ON	x.xxx Volt	Test ON
Indicated	Voltage of oxygen sensor behind TWC, Bank 1	Diagnostic condition	Voltage of oxygen sensor behind TWC, Bank 2	Diagnostic condition
Work range	0.000V - 1.000 Volt	Test OFF Test ON B1-S2 OK B1-S2 not OK	0.000V - 1.000Volt	Test OFF Test ON B2-S2 OK B2-S2 not OK
Value	less than 0.4 Volt or greater than 0.5 Volt	B1-S2 OK	less than 0.4 Volt or greater than 0.5 Volt	B2-S2 OK
Note		IF "B1-S2 not OK" is displayed: Check DTC Memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .		If "B2-S2 not OK" is displayed: Check DTC memory. See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .

If the specified value in display field 2 "B1 -S2 OK" and in display field 4 "B2 -S2 OK" is reached:

Press -C- button.