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HAC-16 < SYSTEM DESCRIPTION > [WITH COLOR DISPLAY] MODE DOOR CONTROL SYSTEM MODE DOOR CONTROL SYSTEM System Diagram INFOID:0000000010050952 System Description INFOID:0000000010050953 The mode door is automatically controlled by the temperature setting, ambient temperature, in-vehicle temper- ature, intake temperature and amount of sunload. SYSTEM OPERATION • The A/C auto amp. receives data from each of the sensors. • The A/C auto amp. sends the air mix door, the mode door and the intake door opening angle data to the air mix door motor LCU(s), the mode door motor LCU and the intake door motor LCU. • The air mix door motor(s), the mode door motor and the intake door motor read their respective signals according to the address signal. Opening angle indication signals received from the A/C auto amp. and each of the motor position sensors, are compared by the LCUs in each door motor with the existing decision and opening angles. • Next, HOT/COLD, DEF/VENT or FRE/REC operation is selected. The newly selected data is returned to the A/C auto amp. Door Motor Circuit Mode Door Control Specification AWIIA1377GB AWIIA1066GB |