Reading Measuring Value Blocks

Read Measuring Value Block (function 08)

Special tools and equipment
- VAG 1551 scan tool or or 1552 scan tool with cable VAG 1551/3

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 defroster must be switched off
- If the vehicle is equipped with an air conditioner, this must be switched off.
- Selector lever must be in position "P" on vehicles with an automatic transmission.
- No faults must be stored in DTC memory, checking DTC memory.

Work sequence
- Connect VAG 1551 scan tool ((VAG 1552). Start engine and select "Address word" 01 of engine control module. Engine must be running at idling 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 keys 0 and 8 for the function "Read measuring value block" and confirm entry with Q key.

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 keys 0, 0 and 1 for "Display group number 1" and confirm entry with Q key.

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

Read measuring value block 1 ->
1 2 3 4






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

Indicated on display:

Rapid data transfer HELP
Select function XX

- Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.

NOTE: Measuring 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.