Connecting VAG 1551 Scan Tool

VAG1551 Scan Tool (ST), Connecting


NOTE: The VAG1552 mobile scan tool can be used instead of the VAG1551, but there is no print-out capability.

Requirements
- Battery Positive Voltage (B+) OK (at least 11 Volts)
- Engine and transmission Ground (GND) connections OK
- Fuse OK

Vehicles From 1997


NOTE: The DLC is located below the driver's knee bar to the left of the steering wheel.







- Connect VAG1551 or VAG1552 Scan Tool (ST) with VAG1551/3 adapter to Data Link Connector (DLC).

All vehicles

Indicated on display


V.A.G - ON BOARD DIAGNOSTIC HELP
1 - Rapid data transfer 1)
2 - Blink Code Output 1)


1) Operating modes 1 and 2 are displayed alternately

If one of these messages is indicated on the display, perform On Board Diagnostic (OBD) according to OBD instructions:

Indicated on display


Rapid data transfer HELP
Control module does not answer


or

Indicated on display


Rapid data transfer HELP
Error in communication link


or

Indicated on display


Rapid data transfer HELP
K wire not switching to Ground


or

Indicated on display


Rapid data transfer HELP
K wire not switching to B+


- Check wiring connections for Data Link Connector (DLC).


NOTE:
If nothing appears on display
- Switch printer on by pressing PRINT button (indicator lamp in button lights up).
- Press button -1- to select "Rapid data transfer" operating mode 1.


Indicated on display


Rapid data transfer HELP
Insert address word XX


NOTE: 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).