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Blend/Mode/Recirc Door Operation Improper -- Dual & Three-Zone MTC

Test 1 - 3:




Test 4 - 6:




Test 7 - 9:




Test 10:






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

POSSIBLE CAUSES
- Check for actuator circuit test fault messages
- Check for active HVAC DTC's
- Check for HVAC do0r 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