Features and parameters
02-09-2020, (Subject: Features and parameters ) 
Post: #4
RE: Features and parameters
(02-08-2020 )rapidisimo Wrote:  Cm871, does the air conditioning pressure switch input under features and parameters need to be enabled for the ac to work properly or for proper fan operation? On mine it's disabled but looking at someone else's setup it's enabled with the minimum fan on time set to 180 sec. Any help is greatly appreciated.

it is normal for those settings to be all turned off. Most trucks any more, the fan is on the J1939 data harness, requested by the cab controller. the engine watches for this request and turns it on/off via this data-request without any kind of actual hard-wire inputs.

the A/C compressor / AC clutch operation is NOT connected or controlled by the engine computer,.. that is all cab controller that does this.


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 Thanks given by: rapidisimo


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RE: Features and parameters - Rawze - 02-09-2020



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