Reading Measuring Value Blocks

Read Measuring Value Block, Evaluating

Special tools and equipment
- VAG 1551/1552 Scan Tool using VAG 1551/3B adaptor cable.

Test conditions
- Coolant temperature must be at least 80 °C, see display group 04, display zone 3
- All electrical consumers, e.g. lights and rear window heating must be switched off
- If the vehicle is equipped with an air conditioner, this must be switched off
- On vehicles with automatic transmission selector lever in "P" or "N" position
- No DTCs must be stored in DTC memory Reading Diagnostic Trouble Codes

Work sequence
- Connect scan tools VAG 1551 or 1552. Start engine and select "Address word" 01 of engine control module. When doing this engine must be running at idle speed. (Connecting scan tool and selecting engine control module). [1][2][3]Connecting VAG 1551 Scan Tool

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons 0 and 8 for function "Read measuring value block" and confirm entry with Q button.

Indicated on display


Read measuring value block
Input display group number XXX


- Select required display group number.


NOTE: The display group number 1 is an example, to illustrate the sequence.


- Press buttons 0, 0 and 1 for "Display group number 1" and confirm entry with Q button.

Indicated on display: (1 to 4 = Display zones)


Read measuring value block 1 ->
1 2 3 4


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







- If specifications in all display zones are obtained, press -> button.

Indicated on display:


Rapid data transfer HELP
Select function XX


- Press buttons 0 and 6 for "End data transfer" function and confirm input with Q button.


NOTE: Measured value blocks which are not described in this chapter are currently only intended for the research and development and production. The values displayed are not relevant for service department fault finding.