2 Attachment(s)
Cadillac ATS-V Intercooler coolant pump control
In a Cadillac ATS-V LF4 stock tune, there are 4 settings for intercooler pump control.
Attachment 120830
The help note on IAT Min says: [ECM] 2947 - Intercooler Pump IAT Min: Below this IAT the intercooler pump will be disabled.
The range is -40..493F.
The setting in the stock tune, however, is 586F.
Attachment 120832
This appears to be if the IAT is too low, (not usually a problem), then disable the coolant pump.
However, the stock setting of 586F would appear to always disable the coolant pump.
Am I misunderstanding the purpose? Does the use of a setting outside the range impact the setting?
Reading the description I might have guessed a value of 32 or 45F would be appropriate, or even -40 to simply disable it.