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VAG 1551 Scan Tool, Connecting and Selecting Function



VAG 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 scan tool





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

Work sequence
- Connect V.A.G 1551 scan tool using cable V.A.G 1551/3.

Note:
^ If the display does not indicate as described in the work sequence- refer to Scan tool operating instructions.





^ If due to an input malfunction "Malfunction in the data transfer!" is displayed, disconnect wire off scan tool, reconnect and repeat work step.

- 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. (1 CO 907 379 E)

Application of control module
^ System designation (ESP).
^ Type of drive (front wheel).
^ ABS (Mark 60).
^ Current coding of control module (0019970).

Coding control module.
^ Workshop code

Refer to V.A.G 1551 scan tool operating instructions.

If the control module identification number does not appear, refer to Summary of functions.
- Press --> key.





Indicated on display (Enter address word, 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 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 of 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-.
- After repairing the possible causes of the malfunction, again enter the address word 03 for "Brake electronics" and confirm with Q key.