Connecting VAG 1551 Scan Tool (ST)

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.

Vehicles up to 07.93 (1993 m.y.)

Unclip covers for Data Link Connector (DLC) below heating/ventilation controls.
Connect VAG 1551 Scan Tool (ST) with VAG 1551/1 adapter cable as follows:

Fig 1: Connecting VAG 1551 Scan Tool (ST) With VAG 1551/1 Adapter Cable: Vehicles Up To 07.93 (1993 m.y.)

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First connect black connector for VAG 1551 Scan Tool (ST) voltage supply to black DLC socket.
NOTE: The blue connector is not required for this application.

Vehicles from 08.93 and up (from 1994 m.y. and up)

Remove ashtray and slide cover for Data Link Connector (DLC) to left -arrow-.
With ignition switched OFF, connect VAG 1551 Scan Tool (ST) with VAG 1551/3 adapter cable.

Fig 2: Connecting VAG 1551 Scan Tool (ST) With VAG 1551/3 Adapter Cable: Vehicles From 08.93 And Up (From 1994 m.y. And Up)

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Indicated on display:

Fig 3: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (1 Of 4)

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¹⁾ Operating modes -1- and -2- are displayed alternately

NOTE:

Additional operating instructions can be printed out by pressing the HELP button on the VAG 1551 Scan Tool.
The --> button is used to advance the Scan Tool program sequence.
An automatic check can be carried out in the "Rapid data transfer" operating mode. Then all vehicle control units will be interrogated automatically.

Switch ignition ON.
Switch printer on with the PRINT button (indicator lamp in button lights up).
Press button -1- for "Rapid data transfer" operating mode.

Indicated on display:

Fig 4: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (2 Of 4)

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Press buttons -0- and -2- (enter address word 02 for "Transmission Electronics").

Indicated on display:

Fig 5: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (3 Of 4)

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Press -Q- button to confirm input.

Indicated on display:

Fig 6: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (4 Of 4)

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The Transmission Control Module (TCM) identification, TCM coding and VAG 1551 Scan Tool dealership number are displayed.