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Code Control Module (Function 07)



Climatronic Control Module J255, Coding (function 07)

NOTE:
- For this vehicle, "basic coding" of the operating and display module, Climatronic Control Module J255 is performed during basic setting of the operating and display module, Climatronic Control Module J255 by the Instrument Cluster Control Module J285. The data are transmitted via the CAN-Bus comfort system to the operating and display module, Climatronic Control Module J255. The currently valid code is displayed in the measuring value block (display group "019" ). The operating and display module, Climatronic Control Module J255 can only be properly coded if the Instrument Cluster Control Module J285 has been coded in the specified manner and adaptation performed Vehicle Diagnosis, Testing Info. System VAS5051B or Vehicle Diagnosis Service Syst. VAS5052. Measuring Value Blocks (Function 08)
- Direct code entry in the operating and display module, Climatronic Control Module J255 is provided for certain items of equipment.
- If, for example, the Instrument Cluster Control Module J285 has been coded for the country version "Japan" , the air conditioner remains in "recirculated air mode" after switching the ignition off and on again if "recirculated air mode" had been set before switching off the ignition (display group "019" ). Measuring Value Blocks (Function 08)
- With the "Audi Cabrio" , different settings are stored for closed and open convertible top in the operating and display module, Climatronic Control Module J255. On opening and closing the convertible top, the operating and display module, Climatronic Control Module J255 then automatically alters the setting to the value last set with convertible top closed or open.

Code Control Module

NOTE: Control modules can only be coded using testers in which a workshop number has been entered.

- With the ignition switched off, connect Diagnostic Operation System VAS 5051A using, for example, Diagnostic Cable - 3 Meter VAS 5051/5Aand K-Lead Adapter Vas6017B VAS 6017B (or K-Lead Adapter VAS 6017A) to the 16-pin diagnostic socket in the vehicle. Diagnostic Operation System VAS 5051A, Connecting and Selecting Functions
- Switch ignition on.
- Use address word "08" to select A/C heater electronics. Diagnostic Operation System VAS 5051A, Connecting and Selecting Functions

Requirements:
- DTC memory checked, all displayed faults eliminated and DTC memory erased Displaying & Reading Trouble Codes
- Air conditioner switched on ("Auto" mode).







Indicated on display of Diagnostic Operation System VAS 5051A
- Select function "07 - Coding control module".

Indicated on display of Diagnostic Operation System VAS 5051A







- Prompt for entering code appears in display zone -1 -.
- Input keypad appears in display zone - 2 -.
- Fourth line of display zone - 3 - indicates currently valid code, with previous code in brackets.
- Fifth line of display zone - 3 - indicates workshop code entered in Diagnostic Operation System VAS 5051A.

- code the operating and display module, Climatronic Control Module J255 in line with the optional extras installed and the vehicle model, coding table.
- Use keypad - 2 - to enter required code in line with coding table.
- Confirm entry by touching Q key in display zone - 2 -.

The following appears on the display of the Diagnostic Operation System VAS 5051A after a brief delay.







- Display field -1 - indicates "Vehicle system coding performed".
- Display field - 2 - indicates control unit identification with new code and old code in brackets.

NOTE:
- Touch <- key to return to selection program.
- If an incorrect code is entered, the DTC message "Function unknown or cannot be implemented at present" is displayed and the old code remains stored.
- At the factory (as-delivered condition for replacement part), the coding for the operating and display module, Climatronic Control Module J255 is currently "00000".
- The coding of the vehicle version sets the operating and display module, Climatronic Control Module J255 to the different models:
- The "basic configuration" is applicable to the Saloon, Avant and Coupe.
- On the Cabrio, the Heated Rear Window function is configured differently, the control characteristic curve accordingly modified and, with the convertible top open, control action is implemented via the vent temperature sensors ( Left Vent Temperature Sensor G150, Right Vent Temperature Sensor G151 etc.).
- If the operating and display module, Climatronic Control Module J255 is coded for a vehicle with Heated Windshield Z2 as optional extra, diagnosis and the Heated Windshield activation function are enabled.

- If Climatronic Control Module J255 has been coded as a vehicle equipped with "sunroof with solar cells" ( Solar Cells C20 ), the following adjustments are performed at this time on the heating and A/C unit after ignition is switched off:
- Both Left Temperature Flap Motor V158 and Right Temperature Flap Motor V159 are set to the position "cold".
- Central Air Flap Motor V70 is set to the "air to instrument panel vents" position and the defroster flap is closed via Defroster Flap Motor V107 (air into footwells).
- Fresh air flap is opened ( Air Flow Flap Motor V71 ) and recirculating air flap is closed ( Recirculation Flap Motor V113 ).

Coding Table





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