Connecting VAG Scan Tool 1551/1552
VAG 1551 Scan Tool (ST), Connecting and Selecting 'Engine Electronics' Address Word 01
Special Tools, Testers And Auxiliary Items
- VAG 1551/1552 Scan Tool With VAG 1551/3 Adapter Cable.
Note: The VAG 1552 scan tool can be used instead of the VAG 1551 scan tool, however a print-out is not possible.
Test conditions
- Fuse 21 OK
- Battery voltage at least 11 volts
- Ground connections on engine and transmission OK.
Work Sequence
- Open ashtray and remove, then slide cover for diagnostic connections to left (arrow).
- Connect VAG 1551/1552 scan tool with VAG 1551/3 adapter cable.
Depending upon desired function:
- Switch ignition on, or start engine Engine Control Module functions.
Note: - If the display does not show as indicated in the work sequence: See VAG 1551 scan tool operating instructions.
- If due to an input malfunction "Error in communication link" is displayed, disconnect wire from VAG 1551/1552 scan tool, reconnect and repeat work step.
Indicated On Display 1
V.A.G.- On Board Diagnostic (OBD) HELP
1-Rapid data transfer
2-Blink code output
- Operating modes 1 and 2 are displayed alternately.
Operate Vag 1551/1552 Scan Tool taking into account the information on the display:
- Press -1- button to select "Rapid data transfer" operating mode 1.
- Press buttons -0- and -1- to select "Engine Electronics" address word 01 and press -Q- button to confirm.
The VAG 1551 scan tool display will show the ECM identification, e.g.:
037 906 259B MOTRONIC M5.9 AT V02-->
Coding 0003 WSC xxxxx
- 037 906 259B = Part no. of the ECM (for latest control module version See parts catalog microfiche).
- MOTRONIC M5.9 = Injection and ignition system.
- AT V02 = Automatic transmission with Motronic system version 02.
- HS V02 = Manual transmission with Motronic system version 02.
- Coding 00003 = Coding variants
- WSC = Workshop code
CODING VARIANTS:
MY APPLICATION Coding
>1999 Golf/Jetta, manual trans. TIER 1 00000
>1999 Golf/Jetta, auto trans. TIER 1 00001
>1999 Golf/Jetta, manual trans. TLEV 00004
>1999 Golf/Jetta, auto trans. TLEV 00005
>1999 Cabrio, manual trans. 00002
>1999 Cabrio, auto trans. 00003
2000> Cabrio, manual trans. TLEV 00004
2000> Cabrio, auto trans. TLEV 00005
Note: Correct control module number details and coding are only given at idle speed.
If the coding differs from the vehicle version, then:
- Check control module coding: Scan Tool Function 07.
- Press -> button.
Indicated on display
Rapid data transfer HELP
Select function XX
- For additional steps see repair procedures.