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





- VAG 1551 or VAG 1552 scan tool vehicle system tester.





- VAG 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 VAG 1551 to diagnostic connection using cable VAG 1551/3 A
- Connect VAS 5051





Indicated on display:
1) Is displayed alternately
If the display remains blank, check Data Link Connector connection, Electrical check; test steps 21 and 22.

Note:
- Depending on the program, additional operating information can be printed out by pressing the HELP key of V.A.G. 1551.
- The (arrow) 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 -O- 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. (1 CO 907 379 E).
Allocation of control module
Refer to Parts supplier
- System designation (ESP).
- Type of drive (front wheel).
- ABS (Mark 60).
- Control module coding (0011266).
- Coding control module.
- Workshop code
Refer to V.A.G 1551 scan tool operating instructions
If the control module identification number does not appear; Summary of functions.
- Press (arrow) 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; Electrical check.





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-, Electrical check.
- After repairing the possible causes of the malfunction, again enter the address word 03 for "Brake electronics" and confirm with Q key.





List of selectable functions