Blend/Mode/Recirc Door Operation Improper (Dual & 3-Zone MTC)

Tests 1 - 2:

Tests 3 - 5:

Tests 6 - 8:

Test 9:

SYMPTOM
BLEND/MODE/RECIRC DOOR OPERATION IMPROPER-- DUAL & THREE-ZONE MTC

POSSIBLE CAUSES
- Check for active HVAC DTC's
- Check for HVAC door recalibration fault messages
- Mode door actuator/linkage/door
- Passenger blend door actuator/linkage/door
- Driver blend door actuator/linkage/door
- Recirculation door actuator/linkage/door
- Rear mode door actuator/linkage/door
- Rear blend door actuator/linkage/door