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BLOWER MOTOR CONTROL SYSTEM HAC-211 < DTC/CIRCUIT DIAGNOSIS > [MANUAL A/C (TYPE 2)] C D E F G H J K L M A B HAC N O P BLOWER MOTOR CONTROL SYSTEM System Description INFOID:0000000006164825 SYSTEM DESCRIPTION Component Parts Blower speed control system components are: • Front air control • Variable blower control • Front blower motor relay • Front blower motor • Intake sensor System Operation COMPONENT DESCRIPTION Variable Blower Control The variable blower control is located on the cooling unit. The vari- able blower control (1) receives a gate voltage from the front air con- trol to steplessly maintain the blower motor voltage in the 0 to 5 volt range (approx.). Front Blower Motor Component Function Check INFOID:0000000006164826 INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - FRONT BLOWER 1. Rotate the blower control dial clockwise once. Blower motor should operate in low speed. 2. Rotate the blower control dial clockwise, and continue checking blower speed until all speeds are checked. Is the inspection result normal? YES >> Inspection End. NO >> Go to diagnosis procedure. Refer to HAC-212, "Front Blower Motor Diagnosis Procedure" WJIA1385E AWIIA1082ZZ |