VAG 1551 Scan Tool (ST), connecting (starting 1994 m.y.)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1995 Volkswagen Jetta III, 1995 Volkswagen Golf III, 1995 Volkswagen Cabrio, 1994 Volkswagen Jetta III, and 1994 Volkswagen Golf III. However, it is still accessible from the selected car via links, so may be relevant.

Starting with 1994 m.y. Golf III, Jetta III, and Cabrio vehicles are equipped with a 16 -pin Data Link Connector (DLC).

This connector is used for access to the vehicle's On Board Diagnostic (OBD) systems using the VAG 1551 Scan Tool (ST).

Test Requirements:

Battery Positive Voltage (B+) OK
Fuse 22 (S22) OK
Ground (GND) connections on engine and transmission OK (location: below lower part of intake manifold)

For access to the Data Link Connector (DLC):

Fig 1: Connecting VAG 1551 Scan Tool With VAG 1551/1 (Starting 1994 M.Y.)

Remove front ashtray.
Slide small cover to the left -arrow-.
With ignition switched OFF, connect VAG 1551/3 adapter harness between Data Link Connector (DLC) and VAG 1551 Scan Tool (ST).

Indicated on display:

Fig 2: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (starting 1994 M.Y.)

* Operating modes 1 and 2 are displayed alternately.