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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Engine Heating And Cooling - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0494, P30EE, P30EF, U0632, or U1314 - Cooling Fan Malfunction >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to:Cooling System Description and Operation (LSY, L3B)

Circuit Description
B+ Supplied from a fuse.
Serial Data Digitally encoded information for communication between devices.
Ground Chassis Ground
Component Description
G10 Cooling Fan Motor An electric DC motor.
The control module and the DC motor are one assembly.
K20 Engine Control Module The control module contains a microprocessor used to process input data to control outputs.
The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.
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