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HAC-146 < DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONER] AIR MIX DOOR MOTOR AIR MIX DOOR MOTOR System Description INFOID:0000000007356428 SYSTEM DESCRIPTION Component Parts Air mix door control system components are: • Front air control • Air mix door motor • PBR (built into air mix door motor) • Intake sensor System Operation The front air control receives data from the temperature selected by the driver. The front air control then applies a voltage to one circuit of the air mix door motor, while ground is applied to the other circuit, causing the air mix door motor to rotate. The direction of rotation is determined by which circuit has voltage applied to it, and which one has ground applied to it. The front air control monitors the air mix door positions by measur- ing the voltage signal on the PBR circuits of each door. Air Mix Door Control Specification COMPONENT DESCRIPTION Air Mix Door Motors WJIA1316E WJIA0435E August 2012 2012 Pathfinder |