Air Recirculation Malfunction
Air Recirculation MalfunctionDiagnostic 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) or Re-Calibrating Actuators (Auxiliary HVAC).
Step 1 - 3:
Step 4 - 5:
