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06-17-2018, 05:35 PM | #1 | |
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Location: Athens, Georgia
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Fan control problems.
What sends the signal to the high speed radiator fan circuit. I think the ECU completes the ground for the high speed relay.
My other vehicles had two fans and the ac was turned on the other fan run. This vehicle has a two speed fan. Does the coolant temperature sensor tell the ECU when the temperature is high and completes the ground for the high speed relay. |
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06-19-2018, 05:44 PM | #2 | ||
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Re: Fan control problems.
Quote:
I used a logic probe and the high speed relay was getting proper signal, This vehicle will set a code when unplugged. |
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