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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 44 (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. Ignition "ON"
  2. Manually operate the control switch and measure the voltage of blower motor.
  3. Select the control switch to raise voltage until high speed.
    Fig 1: PWM Blower Module - Circuit Diagram With Connector Terminals End View
    G08313201Courtesy of KIA MOTORS AMERICA, INC.
    BLOWER speed Manual Voltage Auto Voltage
    1 3.4 Auto Low(4.5V)
    2 4.6 4.5~5.5
    3 5.9 5.6~6.7
    4 7.2 6.8~7.7
    5 8.3 7.8~8.9
    6 9.5 9.0~10.1
    7 11.3 10.2~11.3
    8 B+