| Chassis number adaption procedure (adaption channel “81”) |
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| The “Adaption” function is to be performed for operating and display units, Climatronic control unit -J255- as of hardware/software version “0711” for which the fault “Control unit incorrect chassis number” is displayed. |
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| New replacement operating and display units, Climatronic control unit -J255- are supplied without chassis number. The first time the ignition is switched on following installation, the chassis number transmitted via the convenience data bus system is read into the operating and display unit, Climatronic control unit -J255- (as of hardware/software version “0711”) and stored (anti-theft protection). |
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| If an operating and display unit, Climatronic control unit -J255- (as of hardware/software version “0711”) is fitted in a different vehicle (e.g. swapped over), the transmitted and stored chassis numbers no longer coincide and the fault “Control unit incorrect chassis number” is stored in the operating and display unit, Climatronic control unit -J255-. Entering the PIN in the adaption function erases the chassis number stored in the operating and display unit, Climatronic control unit -J255-. |
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| The operating and display unit, Climatronic control unit -J255- can only be adapted by entering the specified PIN. |
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