Read Measuring Value Block (Function 08)

- There are 10 measuring value blocks, each with values shown in 4 display fields.
- With VAG1551 scan tool printer switched on, display is automatically printed out.
- Before reading measuring value block, check Diagnostic Trouble Code memory.
- Eliminate/repair all malfunctions as necessary, then erase DTC memory. Keep engine running.
- Operate VAG1551 scan tool, stepping through program sequence until display shows "AC/Heating Electronics" address word 08.

Indicated on display:
Rapid data transfer HELP
Select function XX
Press buttons -0- and -8- to select "Read Measuring Value Block" function 08.

NOTE: Press "HELP" button to print out list of available functions.

Indicated on display:
Rapid data transfer Q
08 - Read Measuring Value Block
Press -Q- button to confirm input.

Indicated on display:
Read Measuring Value Block HELP
Input display group number XXX
Input display group number (e.g. -0-, -0- and -1- for display group 1), then press -0- button to confirm input.

Indicated on display:
Read Measuring Value Block X
1 2 3 4

NOTE:
- For description of the 4 display fields in individual display groups, refer to tables starting on page 01-39.
- Display fields marked with an asterisk (*) indicate values when On Board Diagnostic (OBD) was initiated.
- All display fields NOT marked with an asterisk (*) indicate current values.

To select another display group press -C- button.

Indicated on display:
Read Measuring Value Block HELP
Input display group number XXX
- Input new display group number.
- Press -Q- button to confirm input.

Testing Electrical Inputs:
- Connect VAG1598 test box to A/C control head connectors using VAG1598/11 and VAG1598/12 adapter cables.
- For test box socket identification when using VAG1598/11 adapter Cable, VAG 1598 Test Box, Connecting

Description Of Display Groups and Display Fields: