Reading
Read Measuring Value Block (Function 08)
The measuring value block is divided into 4 display groups. The assignment of the individual display fields can be taken from the display group overview. Evaluating Measured Value Block
Use this function to observe various instrument cluster inputs.
- Connect VAG 1551 Scan Tool (ST), select operating mode 1 "Rapid data transfer", switch on ignition and input address word 17 "Instrument cluster".
After control module identification and immobilizer identification number are displayed:
- Press -> button.
Indicated on display:
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -8- to select function 08 "Read measuring value block".
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 Q
Enter display group number XXX
- Using the Scan Tool (ST) button pad, enter required display group number (following example shows display group 001).Press keys 0, 0 and 1 for "Display group number 1" and press -Q- button to confirm input.
Indicated on display: (1...4 = Display zones)
Read Measuring Value Block 1 ->
1 2 3 4
NOTE:
- Interpreting display groups and evaluating measured values in individual display fields.
- With printer switched on, information on display is printed out.
- To easily change between display groups, proceed as follows:
- Displayed after pressing -C- button.
Indicated on display:
Read Measuring Value Block Help
Enter display group number XXX
- Enter display group number as needed.
NOTE:
- Display fields always show actual values transmitted from senders and sensors. However, instrument cluster display values can differ from those in the display fields due to internal filtering.
- Other display groups are possible, but are not required for On Board Diagnostic program