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HAC-182 < DTC/CIRCUIT DIAGNOSIS > [MANUAL A/C (TYPE 2)] BLOWER MOTOR BLOWER MOTOR System Description INFOID:0000000009478394 Component Parts Blower speed control system components are: • Front air control • Front blower motor resistor • Front blower motor • Front blower relay • Front blower switch System Operation COMPONENT DESCRIPTION Blower Motor Resistor The front blower motor resistor (1) is located on the heater and cool- ing unit assembly. The front blower motor resistor grounds the front blower motor through a series of 1, 2, or 3 resistors, depending upon speed selected. For high speed operation the front blower motor resistor is circumvented and the front blower motor grounds directly. Front Blower Motor Component Function Check INFOID:0000000009478395 INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - FRONT BLOWER 1. Rotate the blower control dial clockwise. Blower should operate. 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-183, "Front Blower Motor Diagnosis Procedure" . AWIIA0272GB AWIIA1196ZZ |