Scan Tool VAG 1551, Connecting and Function Selection
V.A.G 1551 Scan Tool, connecting and selecting functionNote:
^ All functions, which could previously be performed with V.A.G 1551 can also be performed with the new tester VAS 5051.
^ The ABS function is switched off in the control module during the On Board Diagnostic (OBD).
^ The Diagnostic Trouble Code (DTC) memory can be erased after successful checking and repair.
^ Pull cover -1- off in direction of arrow.
^ With ignition switched off connect V.A.G 1551 using cable V.A.G 1551/3(A) to Data Link Connector
Connecting VAS 5051.
Indicated on display
1) Is displayed alternately
Note: If there is no indication on display, check DLC, Electrical checks Page 01-102, test steps 14 and 15.
^ 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 ignition on.
^ Switch on printer with 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 inputs the address word of the vehicle system to be tested "Brake electronics".
Indicated on display
^ Confirm input with Q key.
Display shows e.g.
Displayed is:
^ The control module identification number.
e.g. (130 907 379 D)
Allocation of control module
Parts catalog
^ System designation (ABS 20 IE)
^ Data BUS present. (CAN)
Electrical Wiring Diagrams, Troubleshooting & Component Locations binder
^ Control module code (03604).
Coding control module Page 01-58
^ Workshop code
V.A.G 1551 Scan Tool operating instructions
If the control module identification number does not appear = Summary of selectable functions Page
^ 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 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.
Malfunctions have occurred during checking of control module identification (possibly influenced from external sources?)
^ Check DLC as well as voltage supply and Ground connection for ABS control module -J104-, Electrical check.
^ After repairing possible causes of malfunction, again enter address word 03 for "Brake electronics" and confirm with Q key.