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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Blower System (HEV)) >> PWM Blower Module >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Turn the ignition switch ON.
  2. Manually operate the control switch and measure the voltage of the blower motor.
  3. Select the control switch to raise voltage until the speed gets high.
    G13391144Courtesy of KIA MOTORS AMERICA, INC.
    Blower Speed Voltage (V)
    Manual Voltage (V) Auto Voltage (V)
    A/C ON A/C OFF
    1 3.8 3.4 Auto Low (4.6V)
    2 4.6 4.6 4.6 - 5.6
    3 5.9 5.9 5.6 - 6.7
    4 7.2 7.2 6.7 - 7.7
    5 8.3 8.3 7.7 - 8.9
    6 9.5 9.5 8.9 - 10.1
    7 11.3 11.3 10.1 - AUTO HI (10.8V)
    8 B (+) B (+)