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3. CHECK MODE, BLEND & RECIRCULATION DOOR OPERATION Start the engine. Set the blower to high speed. Verify that air flows from the correct vents while setting the Mode control to the Panel position, the Bilvel position, Set the Mode control to the Panel position. Set the Driver Blend control to the full cold position. Set the Passenger Blend control the full cold position. Verify that the airflow air temperature changes while setting the Driver Blend control to the full hot position. Then, Verify that the airflow air temperature changes while setting the Passenger Blend control to the full hot position. Set the Mode control to any position between Floor and Panel. Press the Recirc function on. Verify that the sound of the airflow gets louder as the recirculation door opens to bring Press the Recirc function off. Verify that the sound of the airflow gets softer as the recirculation door closes to bring Does each door operate properly? Yes >> The condition causing the fault has cleared at this time. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Remove the door actuator of the affected door from the A/C Heater Housing Assembly. By hand, attempt to rotate the actuator in both directions. Inspect the A/C Heater Housing for damage, for dis- Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 24 - 182 HVAC - ELECTRICAL DIAGNOSTICS LX |