Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1281 (HVAC CLIMATE CONTROL SYSTEM - GENERAL INFORMATION & DIAGNOSTICS)
2009 Mercury Milan Premier, 3.0 1, AWD
Section 1281 (HVAC Climate Control System - General Information & Diagnostics)
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Section 1281 (HVAC Climate Control System - General Information & Diagnostics)
WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnostic Tests
- Climate Control System
- Notes
- Principles of Operation
- Inspection and Verification
- HVAC Module Cold Boot Process
- Smart Junction Box (SJB) DTC Chart
- PCM DTC Chart
- Symptom Chart - Climate Control Systems
- Symptom Chart - NVH
- Pinpoint Tests
- Pinpoint Test A: DTC P0532 or P0533
- Pinpoint Test B: DTC P0645 - Air Conditioning Clutch Relay (A/CCR) Control Circuit
- Pinpoint Test C: The Air Inlet Mode Door is Inoperative
- Pinpoint Test D: Incorrect/Erratic Direction of Airflow From Outlet(s)
- Pinpoint Test E: Insufficient, Erratic or No Heat
- Pinpoint Test F: The Air Conditioning (A/C) Is Inoperative
- Pinpoint Test G: The Air Conditioning (A/C) is Always On - A/C Compressor Does Not Cycle
- Pinpoint Test H: The Air Conditioning (A/C) is Always On - A/C Mode Always Commanded ON
- Pinpoint Test I: The Blower Motor is Inoperative
- Pinpoint Test J: The Blower Motor Does Not Operate Correctly
- Pinpoint Test K: HVAC Functions Verification
- Component Tests
- Climate Control System
- General Procedures
- Spring Lock Coupling
- Heater Hose Coupling
- Air Conditioning Line (Peanut) Fitting
- Air Conditioning (A/C) Clutch Air Gap Adjustment
- Electronic Leak Detection
- Fluorescent Dye Leak Detection
- Air Conditioning (A/C) System Flushing
- Air Conditioning (A/C) System Recovery, Evacuation and Charging
- Notes
- Refrigerant System Recovery
- Refrigerant System Evacuation Using an R-134a Refrigerant Management Machine
- Refrigerant System Evacuation Using an R-134a Manifold Gauge Set
- Refrigerant System Charging Using an R-134a Refrigerant Management Machine
- Refrigerant System Charging Using an R-134a Manifold Gauge Set and Automatic Refrigerant Charging Motor
- Refrigerant System Filtering Following Air Conditioning (A/C) Compressor Installation
- Refrigerant Oil Adding
- Refrigerant Identification Testing
- Air Conditioning (A/C) Odor Treatment
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.