Air Delivery Improper

AIR DELIVERY IMPROPER

DIAGNOSTIC AIDS

Steps 1-2:

Steps 3-7:

Steps 8-10:

- The condition may be intermittent.
- Inspect the air delivery system for the following conditions:
- An obstruction to the airflow
- Air leaks
- Misaligned air ducts
- Broken or binding linkages or doors
- If the scan tool indicates that the Door Actual parameter is 5-10 counts from the Commanded Door parameter, then perform the recalibration procedure for the HVAC door actuators.