VAG 1551 Scan Tool Connecting

Requirements

- All fuses OK according to wiring diagram
- Battery voltage at least 9 volts







- Connect VAG 1551 scan tool with VAG 1551/3 adapter cable to Data Link Connector (DLC).


WARNING!
- When driving or riding in an airbag-equipped vehicle, NEVER hold the scan tool or other test equipment in your hands or lap while in motion. Objects between you and the airbag increase the risk of injury in an accident
- During a test drive in an airbag-equipped vehicle, test equipment must always be fastened to and operated from the rear seat by a second technician.


Indicated on display 1)

V.A.G - ON BOARD DIAGNOSTIC HELP
1 - Rapid data transfer
2 - Blink code output


1) Operating modes 1 and 2 are displayed alternately

Indicated on display


Rapid data transfer HELP
Insert address word XX


NOTES:
- If the display remains blank, check the VAG 1551 voltage supply See Electrical Wiring Diagrams.
- Additional operating instructions can be obtained by pressing the VAG 1551 Scan Tool (ST) "HELP" button.
- The -> button is used to advance through the program sequence.
- The "PRINT" button is used for switching on the printer (warning lamp in button lights up).


After inserting "Automatic Test Sequence" address word 00 and pressing the -Q- button, an automatic test sequence is carried out (checks DTC memory for all systems with rapid data transfer capability).