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71, or 72? Yes >> As present, diagnose and repair the faults in the following order: DTC 72 first, then DTC 62, then DTC 61, then DTCs 64, 68, or 71, then DTCs 63, 67, or 69, and finally DTCs 41, 43, or 44. Refer to the No >> Go To 2 2. CHECK FOR A BROKEN RECIRCULATION DOOR ACTUATOR Turn the ignition off. Remove the Recirculation Door Actuator from the A/C Heater Housing Assembly. By hand, attempt to rotate the actuator in both directions. Does the actuator turn in either direction? Yes >> Replace the Recirculation Door Actuator in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Go To 3 3. CHECK THE RECIRCULATION DOOR & A/C HEATER HOUSING FOR WARPED, WORN, & DAMAGED Inspect for excessively worn door linkage and for a damaged or broken A/C Heater Housing Assembly. Inspect for Are there any physical or mechanical problems with the door or housing? Yes >> Repair as necessary in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Replace the Recirculation Door Actuator in accordance with the Service Information. Then, Go To 4. 4. VERIFY IF THE FAULT IS STILL PRESENT Turn the ignition on. Actuate the Clear DTC function by performing the following: • Turn the blower control on. • Press the A/C mode switch down, turn the blower control to off, wait until both LEDs illuminate (approximately • When the A/C status indicator begins displaying DTCs, set the Mode switch to the floor position, simulta- Turn the ignition off, wait 10 seconds, and turn the ignition on. Actuate the Actuator Circuit Test / Door Calibration Function by performing the following: • Turn the blower control off. • Press and hold the EBL mode switch down and then turn the blower control on. Continue to hold the EBL Actuate the Display DTC function by performing the following: • Turn the blower control on. • Press the A/C mode switch down, turn the blower control to off, wait until both LEDs illuminate (approximately 24 - 82 HVAC - ELECTRICAL DIAGNOSTICS LX |