Audi Workshop Service and Repair Manuals > A3 Mk1 > Running gear, Self-diagnosis | Self diagnosis, V.A.G Inspection Service | ABS/EDL/TCS/ESP ITT Mark 20 | Measured value block

Reading measured value block

–	Connect vehicle diagnostic, testing and information system -VAS 5051 A- → Chapter and select vehicle system “03 - Brake electronics”. Ignition must be on or engine must be idling.

Indicated on -VAS 5051 A-:

–	From list -1- select diagnostic function “08 - Read measured value block”.

Indicated on -VAS 5051 A-:

1 -	Enter display group

–	Use keypad -2- to select the relevant “display group number” → Anchor and confirm by pressing the Q key.

Indicated on -VAS 5051 A-:

1 -	Display zones 1 ... 4. If a display zone is vacant the respective line remains blank

2 -	Indicates the selected display group

3 -	Another display group can be selected by pressing one of the keys.

4 -	Another function can be selected by pressing one of the keys (e.g. selecting function “Basic setting” instead of “Read measured value block” and vice versa)

List of available display groups

Display group	Display zone	Signifies	Refer to
001	1	Wheel speed, front left	→ Anchor
	2	Wheel speed, front right
	3	Wheel speed, rear left
	4	Wheel speed, rear right
002	1	Starting speed, front left	→ Anchor
	2	Starting speed, front right
	3	Starting speed, rear left
	4	Starting speed, rear right
003	1	Brake light switch -F-	→ Anchor
	2	Brake detection switch, ESP -F83-
	3, 4	Vacant
004	1	Steering angle sender -G85-	→ Anchor
	2	Lateral acceleration sender -G200-
	3	Yaw rate sender -G202-
	4	Vacant
005	1	Brake pressure sender 1 -G201-	→ Anchor
	2	Brake pressure sender 2 -G214-
	3, 4	Vacant
006	1	Longitudinal acceleration sender -G251- → Note	→ Anchor
006	2 … 4	Vacant	→ Anchor
125	1	CAN bus for engine control unit	→ Anchor
	2	CAN bus for steering angle sender -G85-
	3	CAN bus for four-wheel drive control unit -J492- → Note
	4	CAN bus for automatic gearbox control unit -J217- → Note

¹⁾	Only applies to vehicles with four-wheel drive.

²⁾	Only applies to vehicles with automatic gearbox

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