Symptom Chart
WARNING: This page is about a different car, the 2022 Lincoln Nautilus. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart: Climate Control - Dual Automatic Temperature Control (DATC)
NOTE:
Some Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) may inhibit Air Conditioning (A/C) operation. If any Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) are retrieved, diagnose those first. Refer to the ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID)
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Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| Condition | Actions |
|---|---|
| Externally Controlled Variable Displacement Compressor (EVDC) Performance Check with or without DTC P06A0 | GO to Pinpoint Test C |
| A module does not communicate with the diagnostic scan tool | REFER to: Controller Area Network (CAN) Module Communications Network . |
| The temperature control is inoperative/does not operate correctly | GO to Pinpoint Test G GO to Pinpoint Test H |
| The air inlet door is inoperative | GO to Pinpoint Test I |
| Incorrect or erratic direction of airflow from outlets | GO to Pinpoint Test J |
| Insufficient, erratic or no heat | GO to Pinpoint Test K |
| The A/C is inoperative No Diagnostic Trouble Codes (DTCs) | GO to Pinpoint Test L |
| The A/C is always on -- A/C mode always commanded ON | GO to Pinpoint Test M |
| The blower motor is inoperative | GO to Pinpoint Test N |
| The blower motor does not operate correctly | GO to Pinpoint Test O |
| A/C pressure relief valve discharging | GO to Pinpoint Test AD |
| Insufficient A/C cooling | GO to Pinpoint Test AE |
| Reduced outlet airflow | GO to Pinpoint Test AF |