System Diagram
WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
The electric cooling fan system controls the fan motors using the 2 Engine Coolant Temperature (ECT) switches, and turns the 3 fan relays on and off according to the ECT and the air conditioner's operating condition.
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