Diesel Data: Automotive Repair

Connecting VAS 5051 Scan Tool




VAS5051 Vehicle Diagnostic, Testing And Information System, Connecting And Selecting Engine Control Module

All functions which could previously be performed with VAG1551/1552 can also be performed with the new tester VAS5051 in the operating mode vehicle On Board Diagnostic (OBD):
See VAS5051 Vehicle Diagnostic, Testing and Information System operating instructions

Special tools and workshop







- VAS5051 Vehicle Diagnostic, Testing and Information System

Test conditions







- All fuses must be OK.
- The battery voltage must be at least 11.5 V.
- Ground (GND) connection between engine and body must be OK.

Work sequence
- Connect tester VAS5051 using VAS5051/1 or VAS5051/3B diagnostic cable as follows:







- Push plug of diagnostic cable onto diagnostic connection.
- Depending upon desired function: Switch ignition on or Start engine, Table "Selectable functions". Selectable Functions When Using VAG1551/1552 or VAS5051


NOTE:
- In the functions 04 - Basic setting/08 - Read data block, the display zones will be listed from top to bottom.
- If the display does not indicate as described in the work sequence:
See VAS5051 Vehicle Diagnostic, Testing and Information System operating instructions







Indicated on display:

Select operating mode:
- Press button on display for "Vehicle On Board Diagnostic (OBD)" -arrow-.







Indicated on display:

Select vehicle system:
- Press "01 - Engine electronics" on display.







On the display the control module identification and coding are displayed, e.g.:

If the coding differs from the vehicle version, then:
- Check control module coding, coding engine control module







Indicated on display:

Select diagnostic function:
At this point all diagnostic functions are available.
- Press desired function on display.

Further measures See repair procedures.