Connecting VAG 1551 Scan Tool

VAG 1551 Scan Tool (ST), connecting, selecting functions & checking control module versions

Prerequisites:
- All fuses OK according to wiring diagram
- Battery (B+) voltage at least 9 Volts.


NOTE:
- VAG 1552 Scan Tool (ST) may be used instead of the VAG 1551 Scan Tool (ST), however a point-out is not possible.
- The following procedure and display references pertain only to VAG 1551 Scan Tool (ST).


Connecting







- With ignition switched off, connect VAG 1551 Scan Tool (ST) with adapter cable VAG 155113 to the Data Link Connector (DLC) located below dash to left of steering column

Indicated on display


VAG - ON BOARD DIAGNOSTIC HELP
1 - Rapid data transfer*
2 - Blink code output*


* Is displayed alternately

Selecting functions


NOTE:
- If display remains blank, check Scan Tool (ST) voltage supply according to wiring diagram.
- Additional operating instructions can be called up by pressing the HELP button.
- The -> button is used to advance through the program sequence.
- In operating mode 1 "Rapid data transfer," function 00 "Automatic test sequence" can be carried out. The DTC memory of all control modules with OBD capability are checked automatically.


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

Indicated on display


Rapid data transfer HELP
Input address word XX


- Press buttons -1- and -7- to select "Instrument Cluster" address word 17.
- Press -Q- button to confirm input.

Indicated on display (example only)


1C0920901C COMBI + IMMOB. VDO V04 ->
Coding 00042 WSC 00000


- Press -> button.

Indicated on display (example only)


IMMO-IDENT No.. VWZ7Z0V0066808 ->


Immobilizer identification number (14 characters, VW...)

- Press -> button.

Indicated on display


Rapid data transfer HELP
Select function XX


NOTE: If this message appears in the display:


Control module does not answer HELP


- Press HELP button to print out a list of possible malfunction causes.
- After rectifying malfunctions, re-enter address word 17 for Instrument cluster and press -Q- button to confirm input.

Indicated on display (example only)


IMMO-IDENT No.: VWZ7Z0V0066808 ->


- Press -> button.

Indicated on display (select functions):


Rapid data transfer HELP
Select function XX

List of available functions

Function
02 - Check Diagnostic Trouble Code (DTC) memory
05 - Erase DTC memory
06 - End output
08 - Read Measuring Value Block
10 - Adaptation
(use to adapt ignition keys)
11 - Login procedure
(use to adapt ignition keys)

- Press the HELP button to print out a complete list of available functions. This list indicates the function capability of the VAG 1551 Scan Tool (ST) only, and does not necessarily reflect the function capability of vehicle systems equipped with OBD. For immobilizer diagnostic program via The instrument cluster address word 17, do not attempt to select functions other than those listed above.
- After the function is completed and forwarded with the -> button, the VAG 1551 Scan Tool (ST) returns to the following start position:

Indicated on display


Rapid data transfer HELP
Select function XX