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

V.A.G 1551 Scan Tool, connecting and selecting function

Note:
^ All functions, which could previously be performed V.A.G 1551 can also be performed with the tester VAS 5051.
^ The ABS function is switched off in the control module during the OBD.
^ The Diagnostic Trouble Code (DTC) memory can be erased after successful interrogation and repair.





^ With ignition switched off connect V.A.G 1551 using cable V.A.G 1551/3B to Data Link Connector (DLC).

Note: Use V.A.G 1551 only with the most up-to-date program card (at least version 9.0).

Connecting VAS 5051.





Indicated on display
1) Is displayed alternately

Note:
^ If the display remains blank, check Data Link Connector (DLC) connection, Electrical check, test steps 16 and 17.
^ 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 ignition on.
^ 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 inputs address word of vehicle system to be tested "Brake electronics".





Indicated on display
^ Confirm input with Q key.





The display shows e.g.:
Displayed is:
^ The control module identification number.
e.g. (1C0 907 379 D)
Allocation of control module
Parts catalog
- System designation (ASR).
- Data BUS present. (CAN)
Electrical Wiring Diagrams, Troubleshooting & Component Locations binder
^ Control module code (0021505).
Coding control module
^ Workshop code
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 -Check DTC memory).





Indicated on display
^ By pressing the HELP key, a list of possible fault causes is printed out.
^ After eliminating possible causes of faults, enter address word 03 for "Brake electronics" again and confirm.

If "Control module does not answer!" again appears:





Indicated on display
^ Perform test step 1, 2 and 3, Electrical check.





Control module identification influenced during interrogation (possibly influenced from external sources?)
^ Check diagnostic connection as well as voltage supply and Ground connection for ABS control module -J104-, Electrical check.
^ After repairing possible causes of fault, again enter the address word 03 for "Brake electronics" and confirm with Q key.

List of selectable functions





Selectable functions 00 through 08