Air Delivery Improper
Air Delivery ImproperDiagnostic Aids
- The condition may be intermittent. Refer to Diagnostic Aids for Circuit Testing and Wiring Repair procedures.
- 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. Refer to Re-Calibrating Actuators (Primary).