Air Delivery Improper
Air Delivery Improper
Diagnostic Aids
* The condition may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections in Diagnostic Aids. Component Tests and General Diagnostics
* Ensure that the panel vents are in the OPEN position for proper diagnosis.
* 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. Programming and Relearning
Test
