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B105C–RECIRCULATION DOOR TRAVEL RANGE TOO SMALL (ATC) (CONTINUED) 3. INSPECT ACTUATOR & HOUSING ASSEMBLY FOR A CONDITION CAUSING THE RECIRCULATION Turn the ignition off. Inspect the actuator, linkage, and housing assembly for a condition causing the recirculation door to seize or bind. Are there any physical or mechanical problems with the door, housing, linkage, or actuator? Yes >> Repair as necessary in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Go To 4 4. CHECK RECIRCULATION DOOR TRAVEL Remove the Recirculation Door Actuator from the A/C Heater Housing Assembly. By hand, attempt to rotate the door in both directions. The door should operate smoothly in both directions over the Does the door operate smoothly in both directions over the entire span of travel? Yes >> Replace the Recirculation Door Actuator in accordance with the Service Information. Then, Go To 5. No >> Repair as necessary in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 5. RUN THE ACTUATOR CALIBRATION TEST Turn the ignition on. With the scan tool, select System Tests and then select Actuator Calibration Test. When the test is complete, select Does the scan tool display: B105C–RECIRCULATION DOOR TRAVEL RANGE TOO SMALL? Yes >> Replace the A/C Heater Control in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE). 24 - 256 HVAC - ELECTRICAL DIAGNOSTICS WK |