Connecting VAG 1551/1552 Scan Tool

VAG 1551/VAG 1552 Scan Tool (ST), Connecting And Selecting "Engine Electronics" Address Word 01

Requirements
- Fuses for engine electronics OK
- Battery Positive Voltage (B+) OK (at least 11 volts)
- Engine and transmission Ground connections OK
- Fuel pump relay OK

Connecting







- Locate Data Link Connector (DLC), under driver's knee bar to left side of steering wheel.
- Connect VAG 1551 Scan Tool (ST) with VAG 1551/3 adapter cable to DLC.
- Switch ignition on, or start engine, depending on function to be selected.


NOTE:
- If scan tool displays do not appear as indicated: See Scan Tool Operating Instructions
- If "Error in communication link" is displayed, disconnect adapter cable at scan tool, reconnect, and repeat procedure.


- Operate scan tool and advance through program sequence by following display:
- Press button -1- to select "Rapid data transfer" operating mode 01.
- Press buttons -0- and -1- to insert "Engine Electronics" address word 01 and press -Q- button to confirm input.

Indicated on display (ECM identification and coding)


8D0907557 1.8L R4/5VT MOTR HS D02 ->
Coding 06051 WSC 00000


8D0 ----- Engine Control Module
-- (ECM) Part No.
1.8L Engine displacement
R4/5VT Engine type:
In-line (Reihenmotor), 4- Cyl.
5- Valve, Turbocharged
MOTR Motronic
HS Manual transmission
AT Automatic transmission
D.. ECM software version
Coding ECM coding:
See coding table
WSC 12345 Plant number: indicates where the VAG 1551 scan tool was used for the last coding and/or adaptation (as long as factory coding has not been changed, WSC 00000 is displayed)


NOTE:
If the ECM version that corresponds to the vehicle is not displayed, replace ECM. Incorrect ECM coding leads to:
- Performance problems (e.g. jerky shifting, abrupt load changes, etc.
- Increased fuel consumption
- Elevated exhaust gas values
- Reduction in transmission service life
- Malfunctions not present are stored in DTC memory
- Necessary functions are not carried out (oxygen sensor control, actuation of EVAP canister system, etc.)


- Press -> button to advance program sequence.

Indicated on display


Rapid data transfer HELP
Select function XX


- Continue as specified in procedures for specific OBD functions.