Read Measuring Value Block (Function 08)

Measured value block, reading

Safety precautions
Note the following points if testers and measuring instruments have to be used during a road test:

WARNING:
- When driving the vehicle for measurement and test purposes, always secure the Vehicle Diagnostic, Testing and Information System VAS 1551 or V.A.G 1551 Scan Tool to the rear seat and operate it from there (second person required).
- If the test and measuring equipment were operated from the front passenger seat, the person sitting there could be injured if the front passenger airbag were triggered in the event of an accident.

Test conditions
- Coolant temperature at least 85 degrees C.
- Electrical consumers switched off (radiator fan must not run during the check)
- Air conditioner switched off
- Gear selector lever in P or N position
- No Diagnostic Trouble Code (DTC) stored in DTC memory

Procedure
- Connect Vehicle Diagnostic, Testing and Information System VAS 5051 or V.A.G 1551 Scan Tool and select engine electronics control unit 1 with "Address word" 01. For this purpose, engine must be running at idle speed. Connecting VAS 5051 Scan Tool [1][2]Scan Tool Connecting and Initial Checks

Indicated on display


Rapid data transfer HELP
Select function XX


- Press keys 0 and 8 for function "Read measured value block" and confirm entry with Q key.

Indicated on display


Read measured value block
Enter display group number XXX


- Enter relevant display group number (3 figures) and confirm entry by pressing Q key.

NOTE: The choice of display group depends on the particular functions and components to be tested.

Display readout (for example)

Read measured value block 1 ->
1 2 384

NOTE: To change to another display group, proceed as follows:

Display group V.A.G 1551
Higher Press key 3
Lower Press key 1
Skip Press C key