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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. INSPECT ACTUATOR & HOUSING ASSEMBLY FOR A CONDITION CAUSING THE LEFT BLEND DOOR TO Turn the ignition off. Inspect the actuator, linkage, and housing assembly for a condition causing the left blend door to 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 3 3. CHECK LEFT BLEND DOOR TRAVEL Remove the Left Blend 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 Left Blend Door Actuator in accordance with the Service Information. Then, Go To 4. No >> Repair as necessary in accordance with the Service Information. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 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 - 10 HVAC - ELECTRICAL DIAGNOSTICS LX |