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INTAKE DOOR MOTOR HAC-125 < DTC/CIRCUIT DIAGNOSIS > [MANUAL A/C (TYPE 1)] C D E F G H J K L M A B HAC N O P INTAKE DOOR MOTOR System Description INFOID:0000000009882522 SYSTEM DESCRIPTION SYMPTOM: • Intake door motor does not operate normally. • Intake door does not change. SYSTEM DESCRIPTION Component Parts Intake door control system components are: • Front air control • Intake door motor (PRB built into the intake door motor) • Ambient sensor • Intake sensor System Operation The intake door control determines the intake door position based on the position of the recirculation switch. When the recirculation switch is depressed the intake door motor rotates closing off the fresh air inlet and recirculating the cabin air. If the recirculation switch is depressed again, the intake door motor rotates in the opposite direction, again allowing fresh air into the cabin. Intake Door Control Specification COMPONENT DESCRIPTION Intake door motor The intake door motor is attached to the intake unit. It rotates so that air is drawn from inlets set by the front air control. Motor rotation is conveyed to a lever which activates the intake door. Intake Door Motor Component Function Check INFOID:0000000009882523 INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - REC ( ) 1. Press the vent mode switch ( ). 2. Press REC ( ) switch. The REC ( )indicator should illuminate. 3. Press REC ( ) switch again. The REC ( ) indicator should go out. 4. Listen for intake door position change (you should hear blower sound change slightly). WJIA0436E WJIA0552E |