Read Measuring Value Block (scan tool function 08)
- VAG1551 Scan Tool with VAG1551/3 Adapter
Test requirements
- Coolant temperature must be at least 80 ° C,. Refer to Display group 04, display field 3
- All electrical consumers like, for example, lights and rear window defroster must be switched off.
- If vehicle is equipped with an A/C system, it must be switched off.
- For vehicles with automatic transmission, selector lever must be in -P- or -N-.
- There must not be any DTCs stored in DTC memory. Refer to DTC memory of Engine Control Module (ECM), checking (scan tool function 02) and erasing (scan tool function 05)
Work procedure
- Connect VAG 1551 scan tool (VAG1552). Start engine and select the Engine Control Module (ECM) using address word 01 (connecting scan tool and selecting ECM. Refer to VAG1551 Scan Tool (ST), connecting and selecting "Engine Electronics" address word 01 ).
| Rapid data transfer HELP Select function XX |
Indicated on display
- Press buttons -0- and -8- to select "Read measuring value block" function 08. Press -Q- button to confirm input.
| Read Measuring Value Block HELP Input display group number XXX |
Indicated on display
- Select desired display group number.
NOTE:
Display group number 1 is used as an example to indicate procedure.
- Press buttons -0-, -0- and -1- to select "Display group number 1". Press -Q- button to confirm input.
| Read Measuring Value Block 1 → 1 2 3 4 |
Indicated on display (1-4 = display fields)
NOTE:
To switch to a different display group, proceed as follows:
| Display group | VAG1551 Scan Tool | VAG1552 |
| Higher | Press button -3- | Press ↑ button. |
| Lower | Press button -1- | Press ↓ button. |
| skip | Press -C- button | Press -C- button |
- If specified values are obtained in all display fields, press → button.
| Rapid data transfer HELP Select function XX |
Indicated on display
- Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
NOTE:
Measuring value blocks not described in this chapter are under development and production at the moment. Indicated values are not relevant for troubleshooting in service stations.