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E46 m3 gauge cluster - shift light

George GEP

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  • 11 months later...
On 2/9/2019 at 12:38 AM, Adamw said:

File attached.  The RPM limit and most other dash lights are controlled by the virtual auxiliaries.  The map has the RPM limit lights change based on engine temp as they did originally.  Coolant, oil press and CE lights are also on the virtual auxes.

E46 S54 startup with CAN.pclr

where and how are Virtual aux-es linked to CAN or Check light outputs?

how is it setup where to look for logic?



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19 hours ago, Richard Hill said:

(it subtracts 1 as ON is represented by the number 2, as a side note I would have thought OFF=0, ON=1 and FAULT=2 would have been more logical)

Yeah, seems odd initially but I believe this is done as there is an "unassigned" state that better fits as a zero.  So 0 = no function assigned to that aux.  1 = function assigned but result is false.  2 = result is true.  


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