Check Control Module Version

Check Control Module Version

- Connecting scan tool, initiating On Board Diagnostic (OBD).
Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks", under "Restraint Systems", Testing and Inspection
Convenience System, Initiating on Board Diagnostic (OBD)
- Switch on ignition.
- Press key -1- for "Rapid data transfer" mode.
- Switch on printer with Print button (warning lamp in button lights up).
- Press keys -0- and -1-.

Indicated on display:


Rapid data transfer Q
01-Check Control Module Version


- Confirm entry with the Q button.

The control unit identification of the convenience central control unit (Conv. cent. CU) will be shown on the scan tool VAG 1551 display, e.g.:


1J0959799J 03 Conv. cent. CU 0001 ->
Coding XXXXX WSC XXXXX


Breakdown of the display:

- Upper line - Part No. of control module system designation (03 2) Comf. cent. CU 0001)
- Lower line - Code number dealer code number 1)

1) Automatically stored in the control unit when interrogating the system.
2) A number or number/letter combination (03 or 6Q, or others) indicate a correct programming of the control unit.

- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

The control unit identification of the driver's door control unit will be shown on the scan tool VAG 1551 display, e.g.:


1J0959801A 03 Door CU DS0022 ->


- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

The control unit identification of the passenger's door control unit will be shown on the scan tool VAG 1551 display, e.g.:


1J0959802B 03 Door CU PS0022 ->


- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

The control unit identification of the rear left door control unit will be shown on the scan tool VAG 1551 display, e.g.:


1J0959811A 03 Door CU RL0022 ->


- Press -> button.

Will appear briefly in display:


Please wait


and then the following appears in the display:

The control unit identification of the rear right door control unit will be shown on the scan tool VAG 1551 display, e.g.:


1J0959812A 03 Door CU RR0022 ->


- Press -> button.

Indicated on display:


Rapid data transfer HELP
Select function XX


NOTE:
- If one of the malfunction messages opposite appears in the display, the possible causes of the malfunction can be printed out with the HELP button.


Rapid data transfer HELP
Control unit does not answer!


- Ignition must be switched on.


Rapid data transfer HELP
K wire not switching to B+!


- Malfunctions have occurred at the start of or during the program (external interference?).


Rapid data transfer ->
No signal from control unit!


- Check diagnosis wires as well as voltage supply and Ground connection.


Rapid data transfer ->
Fault in communication build up


- Press keys -0- and -6- to end the output.

Indicated on display:


Rapid data transfer Q
06 End output


- Confirm entry with the Q button.

Indicated on display:


Rapid data transfer HELP
Enter address word XX


- Switch off ignition.
- Disconnect connector to scan tool VAG 1551.