VAG1551 Scan Tool (ST), connecting: Connecting

• Open ashtray and remove, then slide cover for Data Link Connector (DLC) to left (arrow).
• Connect VAG1551 scan tool with VAG1551/3 adapter.
  Fig 1: Connecting VAG1551 Scan Tool With VAG1551/3 Adapter

  

Indicated on display. Operating modes 1 and 2 are displayed alternately.

Fig 2: VAG1551 Scan Tool Display (1 Of 3)

If display remains blank:

See Scan Tool operating instructions

Depending upon the desired function:

• Switch ignition on, or start engine.

Selectable functions table, see VAG1551/VAG1552 SCAN TOOL, SELECTABLE FUNCTIONS .

• Operate scan tool according to directions on display.
• Press -1- button to select "Rapid data transfer" operating mode 1.
• Press buttons -0- and -1- to select the "Engine Electronics" address word 01, and press -Q- button to confirm input.

Indicated on display (Diesel DFI ECM identification)

Fig 3: VAG1551 Scan Tool Display (2 Of 3)

Example:

• 028 906 021 DF = Diesel DFI ECM Part No. (for most up-to-date ECM part numbers > latest Parts information)
• 1.9 l Engine capacity (1.9 liter)
• R4 Type of engine (inline, 4-cylinder)
• EDC Fuel injection system (Electronic Diesel Control)
• G00 Equipped with CCS (Tempomat)
• SG Transmission type-manual (AG = automatic)
• 0602 Diesel DFI ECM software version
• Coding 00002 = Control module coding
• WSC = Dealership number

• Press ==> button

Indicated on display

Fig 4: VAG1551 Scan Tool Display (3 Of 3)