Initiating & Checking Control Module Versions

Instrument Cluster On Board Diagnostic (OBD), Initiating

Test requirements

- Check fuses using wiring diagram
- Always check coding of instrument cluster according to coding table
- Connect VAG 1551 /1552 Scan Tool or VAS 5051 Vehicle Diagnostic, Testing and Information System. Connecting VAG 1551/VAS 5051
- Ignition switched on

NOTE:
- If the display remains blank, check voltage supply of VAG 1551 according to wiring diagram.
- Additional operating instructions can be called up with the scan tool HELP button.
- The -> button serves to advance the program sequence.
- If an incorrect entry is made, press button C to escape.
- In the operating mode 1 "Rapid data transfer" the function 00 can be used to perform an "Automatic test sequence." This will check all control modules in the vehicle automatically.
- Switch on printer with the Print button (indicator lamp lights up).
- Press button -1- for "Rapid data transfer" mode.

Indicated on display:

Rapid data transfer HELP
Input address word XX

Address word for instrument cluster: 17
- Press buttons -1- and -7- to select "Instrument Cluster" address word 17.

Indicated on display:

Rapid data transfer Q
17 - Instrument cluster

- Press -Q- button to confirm input

After about 5 seconds, the following appears on the display (example only):

8N1920880... INSTR+IMMOB. M73 D03 ->
Code 06244 WSC XXXXX

- 8N1920880: Part no. of instrument cluster (also refer to Parts catalog microfiche).
- INSTR+IMMOB.: Instrument cluster plus anti-theft immobilizer component designation
- M73: Manufacturer code for Magneti Marelli
- D03: Software version of instrument cluster
- Coding 06244: Coding of instrument cluster
- WSC XXXXX: Workshop code

NOTE: Check coding according to coding table.

- Press -> button.

Indicated on display: (example only):

Ident-no. Immob.: AUZ5ZOW1000071 ->

- AUZ5ZOW1000071: 14-digit ident. no. for immobilizer control module
- Press -> button.

If the display shows one of the messages reproduced here, run through the troubleshooting procedure as described in the wiring diagram.

Rapid data transfer HELP
Control module does not answer

Rapid data transfer HELP
Error in communication link

Rapid data transfer HELP
K wire not switching to Ground

Rapid data transfer HELP
K wire not switching to B+

Indicated on display:

Rapid data transfer HELP
Select function XX

- After the HELP button is pressed, a list of the possible functions is printed out.
- Press -> button to advance the program sequence.

On Board Diagnostic (OBD) functions
The following functions are possible:

02 - Check DTC Memory.
03 - Output DTM.
05 - Erase DTC Memory.
06 - End Output.
07 - Code Control Module.
08 - Read Measuring Value Block.
10 - Adaptation.
11 - Log-in Procedure.