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.
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HOMESERVICE MANUALSACURA2008MDXREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 44 (CLIMATE CONTROL SYSTEM)
2008 Acura MDX
Section 44 (Climate Control System)
2008 Acura MDXSECTION Section 44 (Climate Control System)
WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Special Tools
- Component Location Index
- A/C Service Tips and Precautions
- A/C Refrigerant Oil Replacement
- General Troubleshooting Information
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Circuit Diagram
- DTC Troubleshooting
- DTC indicator A: An Open In The In-Car Temperature Sensor Circuit
- DTC Indicator B: A Short In The In-Car Temperature Sensor Circuit
- DTC Indicator C: An Open In The Outside Air Temperature Sensor Circuit
- DTC Indicator D: A Short In The Outside Air Temperature Sensor Circuit
- DTC Indicator E: An Open In The Sunlight Sensor Circuit
- DTC Indicator F: A Short In The Sunlight Sensor Circuit
- DTC Indicator G: An Open In The Evaporator Temperature Sensor Circuit
- DTC Indicator H: A Short In The Evaporator Temperature Sensor Circuit
- DTC Indicator I: An Open In The Air Mix Control Motor Circuit
- DTC indicator J: A Short In The Air Mix Control Motor Circuit
- DTC indicator K: A Problem In The Air Mix Control Linkage, Door, Or Motor
- DTC Indicator L: An Open Or Short In The Mode Control Motor Circuit
- DTC Indicator M: A Problem In The Mode Control Linkage, Doors, Or Motor
- DTC Indicator N: A Problem In The Blower Motor Circuit
- Recirculation Control Motor Circuit Troubleshooting
- ECT Sensor Circuit Troubleshooting
- Climate Control Panel Circuit Troubleshooting
- Manual Controls Circuit Troubleshooting
- Climate Control Power and Ground Circuit Troubleshooting
- Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
- Radiator and A/C Condenser Fan High Speed Circuit Troubleshooting
- A/C Compressor Clutch Circuit Troubleshooting
- A/C Pressure Switch Circuit Troubleshooting
- In-Car Temperature Sensor Test
- In-car Temperature Sensor Replacement
- Outside Air Temperature Sensor Test
- Outside Air Temperature Sensor Replacement
- Sunlight Sensor Test
- Sunlight Sensor Replacement
- Evaporator Temperature Sensor Test
- Power Transistor Test
- Air Mix Control Motor Test
- Air Mix Control Motor Replacement
- Mode Control Motor Test
- Mode Control Motor Replacement
- Recirculation Control Motor Test
- Recirculation Control Motor Replacement
- Climate Control Panel Removal and Installation
- Climate Control Unit Removal and Installation
- Dust and Pollen Filter Replacement
- Evaporator Removal and Installation
- Evaporator & Expansion Valve Component Replacement
- Blower Unit Removal and Installation
- Blower Unit Component Replacement
- Heater Unit/Core Replacement
- Heater Valve Cable Adjustment
- A/C Compressor Replacement
- A/C Compressor Clutch Check
- A/C Compressor Clutch Overhaul
- A/C Compressor Relief Valve Replacement
- A/C Condenser Replacement
- Receiver/Dryer Desiccant Replacement
- Refrigerant Recovery
- System Evacuation
- System Charging
- Refrigerant Leak Test
- A/C System Test
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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.