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V.A.G 1551 Scan Tool, Connecting and Selecting Function



V.A.G 1551 scan tool, connecting and selecting function

Note: All functions that have so far been carried out with V.A.G 1551 can now also be carried out with the tester VAS 5051.

Special tools and equipment





^ V.A.G 1551 or V.A.G 1552 scan tool vehicle system tester.





^ V.A.G 1551/3 or 1551/3A adapter cable

Note:
^ The ABS function is switched off in the control module during the OBD. This is indicated by the flashing of ABS warning light -K47- and warning light for brake system -K118-. If there is a malfunction currently, it will be indicated by the lights being on constantly.
^ The DTC memory can be erased after successful check and repair.





- With ignition switched off, connect V.A.G 1551 to diagnostic connection using cable V.A.G 1551/3 A.
- Connect VAS 5051.





Indicated on display:
1) Is displayed alternately
If the display remains blank, check Data Link Connector connection.

Note:
^ Depending on the program, additional operating information can be printed out by pressing the HELP key of V.A.G 1551.
^ The -> key is used for moving forward within the program.
^ The PRINT key is used for switching on the printer (warning lamp in key comes on).

- Switch on ignition.
- Switch on printer with the Print key (indicator lamp in key lights up).
- Press key -1- for "Rapid data transfer" operating mode.





Indicated on display:
- Press keys -0- and -3-; 03 to input address word of vehicle system to be tested: "Brake electronics".





Indicated on display:
- Confirm input with Q key.





And then the display shows e.g.:
Displayed is:
^ The control module identification number.
e.g. (1C0 907 379E).

Allocation of control module
^ System designation (ESP).
^ Type of drive (front wheel).
^ ABS (Mark 60).
^ Control module coding (0011266).
^ ^ Workshop code
If the control module identification number does not appear, refer to Summary of functions.

- Press -> key.





Indicated on display (select function, e.g. 02 - Interrogate fault memory).





Indicated on display:
- By pressing the HELP key, a list of possible fault causes is printed out.
- After eliminating the possible causes of malfunctions, enter the address word 03 for "Brake electronics" again and confirm.
If "control module does not answer!" again appears:





Indicated on display:
- Perform test steps 1, 2 and 3.





Control module identification influenced during checking (possibly influenced from external sources?)
- Check diagnostic wire as well as voltage supply and Ground connection for ABS Control Module (w/EDL) -J104-.
- After repairing the possible causes of the malfunction, again enter the address word 03 for "Brake electronics" and confirm with Q key.