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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Cooling System - 2.4L (Except HEV)) >> Cooling Fan >> Description & Operation >> Description

Description & Operation: Description

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Controls the cooling fan motor voltage depending on the duty output from the ECU (Freq.: 300Hz). [Signal from the ECU to the PWM (SI: 300Hz)]

G12932247Courtesy of KIA MOTORS AMERICA, INC.
SI Duty Motor Voltage (V) Variation (V)
10% 0 ±0.5
30% 4.1
60% 8.2
70% 9.57
90% More than 12.5 -