Reading Measuring Value Blocks
Read Measuring Value Block (Function 08), Evaluating
Special tools, test equipment and auxiliary items
- VAG 1551 Scan tool (or VAG 1552 mobile scan tool) with cable VAG 1551/3B
Test conditions
- All electrical accessories, e.g. lights and rear window defroster must be switched off
- The battery voltage must be at least 11.5 V
- If the vehicle is equipped with air conditioning, it must be turned off
- On vehicles with automatic transmission selector lever in "P" or "N" position
- No DTCs must be stored in DTC memory, checking and erasing DTC memory. Reading Diagnostic Trouble Codes
- Coolant temperature must be at least 85°C display group 04, display zone 3
Work sequence
- Connect scan tools VAG 1551 or VAG 1552. Start engine and select "Address word" 01 of Motronic Engine Control Module (ECM) -J220-. Engine must be running at idle speed. (Connecting scan tool and selecting Motronic Engine Control Module (ECM) -J220-.) [1][2][3]Connecting VAG 1551 Scan Tool
Indicated on display
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -8- for the 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 0 is an example, to illustrate the sequence.
- Press buttons -0-, -0- and -0- for "Display group number 0" and confirm entry with -Q- button.
Indicated on display (1-10 = Display zones)
Read measuring value block 0 ->
1 2 3 4 5 6 7 8 9 10
NOTE: To change to another display group proceed as follows:
- If specifications in all display zones are obtained, press -> button.
- If one specification is not attained, evaluating display group 0. Evaluating Measuring Value Blocks
Indicated on display
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -6- for the "End output" function and confirm input with -Q- button.
- Switch off ignition.
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 troubleshooting.