Check Control Module Version (Function 01)
Control Module Version, Checking (Scan Tool Function 01)
Indicated on display:
Rapid data transfer HELP
Enter address word XX
- Press buttons -0- and -8- to select AC/Heating Electronics address word 08.
Indicated on display:
Rapid data transfer Q
08 AC/Heating electronics
- Press -Q- button to confirm input.
Shown in display after inputting address word 08:
Rapid data transfer
Tester sends address word 08
Indicated on display:
Please Wait
The Climatronic control module part number is displayed, e.g.:
- Vehicles up to 10.00:
3B1 907 044 A CLIMATRONIC VXX
Coding 02000 WSC XXXXX
Green (illumination) display 1J1 907 044 A (repl. by 1U1 907 044 A)
Blue (illumination) display 3B1 907 044 A
Blue (illumination) display 3B1 907 044 C
- Vehicles from 10.00:
3B1 907 044 H CLIMATRONIC VXX
Coding 02000 WSC XXXXX
Blue (illumination) display 3B1 907 044 H
Blue (illumination) display 3B1 907 044 J
- Climatronic = System designation
- VXX = Software version
- Coding. Testing and Inspection
- WSC = Workshop code
If indicated coding differs from vehicle version, then:
Check control module coding Testing and Inspection
CAUTION!
Part numbers are for reference only. Always check with your Parts Department for the latest parts information.
NOTE:
- If one of the 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 module does not answer!
Ignition must be switched on!
Rapid data transfer HELP
K wire not switching to positive!
Malfunctions have occurred at the start of or during the program (external sources of malfunctions?).
Rapid data transfer ->
No signal from control module!
- Check Data Link Connector (DLC) cables, voltage and ground supply connections.
Rapid data transfer ->
Fault in communication build-up
- When causes of malfunctions have been eliminated, input address word 08 for "AC/Heating electronics" and confirm entry with -Q- button.
Shown in display after input of address word 08:
Rapid data transfer
Tester sends address word 08
The control module identification number is displayed:
3B1 907 044 A CLIMATRONIC VXX
Coding 02000 WSC XXXXX
- Press -> button.
Indicated in display (select function, e.g.: 02 - check Diagnostic Trouble Code (DTC) memory):
Rapid data transfer HELP
Select function XX
NOTE: A list of the possible functions is printed out after pressing the HELP button:
Indicated on display (select function, e.g.: 02 - check Diagnostic Trouble Code (DTC) memory):
Rapid data transfer HELP
Select function XX