Thread: PWM cooling fan(s) control using ECM
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Old 02-05-2016, 08:34 AM
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Quote:
Originally Posted by 4wheels View Post
Some of the service information for the 2016 CTS-V, ATS-V and Camaro refer to a fan controller but the controller is integral to the fan itself so the ECM is sending the control signal directly to the fan. No separate/serviceable controller exists as the DC brushless (BLDC) controller is built into the fan.
So is the fan looking for a PWM- signal at the same 128Hz?

Andrew
Last edited by andrewb70; 02-05-2016 at 08:37 AM.
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