Test requirements

Battery voltage at least 11 V
Ground connections at engine and transmission OK
Fuses OK
Ground (GND) connections and Ground point for transmission OK
Check battery Ground (GND) strap and Ground strap between battery and transmission.
Switch ignition off.

NOTE: Data Link Connector is located in driver-side footwell lower left.

Unclip cover for Data Link Connector.
Connect VAS5051 tester to vehicle with VAS5051/1 diagnostic wire. Alternately, the VAG1551 Scan Tool also be attached using the VAG1551/3 adapter.

Fig 1: Connecting VAG1551/3 To DLC

WARNING:

When road testing vehicle, use only the VAS 505 the V.A.G 1551 scan tools. Be sure scan tool is fastened securely to rear seat and operated from the rear seat by a second technician.
Please observe SAFETY PRECAUTIONS .

Indicated on display

Fig 2: VAG 1551 Scan Tool Display - Selecting Functions (1 Of 2)

Operating modes 1 and 2 are displayed alternately

NOTE: If nothing appears in display, see scan tool operating instructions.

Switch ignition on.
Switch printer on via the print-button (indicator lamp in button lights up), (indicator lamp in button lights up).
Press button 1 to select "Rapid data transfer" operating mode 1.

Indicated on display

Fig 3: VAG 1551 Scan Tool Display - Selecting Functions (2 Of 2)

NOTE: The address word 00 initiates the automatic test sequence, i.e. it results in a DTC check on all OBD capable systems in the vehicle via rapid data transfer.