Section 89 (Climate Control)
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Component Location Index
- A/C Service Tips and Precautions
- A/C System Inspection
- General Troubleshooting Information
- DTC Troubleshooting Index
- Symptom Troubleshooting Index
- System Description
- Circuit Diagram
- DTC Troubleshooting
- DTC B1202: Climate Control Unit Internal Error
- DTC B1205: Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message); DTC B1206 or DTC indicator AUTO: Climate Control Unit Lost Communication with Gauge Control Module (coolant temp message); DTC B1207; Climate Control Unit Lost Communication with Gauge Control Module (illumination message)
- DTC B1213 or DTC indicator N and Mode: An Open in the Rear Evaporator Temperature Sensor Circuit
- DTC B1214 or DTC indicator P and MODE: A Short in the Rear Evaporator Temperature Sensor Circuit
- DTC B1215 or DTC indicator J and MODE: An Open or Short in the Recirculation Control Motor Circuit
- DTC B1223 or DTC indicator M and MODE: A Problem in the Rear Blower Motor Circuit
- DTC B1225 or DTC indicator A and AUTO: An Open in the In-Car Temperature Sensor Circuit
- DTC B1226 or DTC indicator B and AUTO: A Short in the In-Car Temperature Sensor Circuit
- DTC B1227 or DTC indicator C and AUTO: An Open in the Outside Air Temperature Sensor Circuit
- DTC B1228 or DTC indicator D and AUTO: A Short in the Outside Air Temperature Sensor Circuit
- DTC B1229 or DTC indicator E and AUTO: An Open in the Sunlight Sensor Circuit
- DTC B1230 or DTC indicator F and AUTO: A Short in the Sunlight Sensor Circuit
- DTC B1231 or DTC indicator G and AUTO: An Open in the Evaporator Temperature Sensor Circuit (Front)
- DTC B1232 or DTC indicator H and AUTO: A Short in the Evaporator Temperature Sensor Circuit (Front)
- DTC B1233 or DTC indicator J and AUTO: An Open in the Air Mix Control Motor Circuit (Driver's)
- DTC B1234 or DTC indicator K and AUTO: A Short in the Air Mix Control Motor Circuit (Driver's)
- DTC B1235 or DTC indicator L and AUTO: A Problem in the Air Mix Control Motor Circuit, Linkage, Door, or Motor (Driver's)
- DTC B1236 or DTC indicator M and AUTO: An Open in the Passenger's Air Mix Control Motor Circuit
- DTC B1237 or DTC indicator N and AUTO: A Short in the Passenger's Air Mix Control Motor Circuit
- DTC B1238 or DTC indicator P and AUTO: A Problem in the Passenger's Air Mix Control Motor Circuit, Linkage, Door, or Motor
- DTC B1239 or DTC indicator A and MODE: An Open or Short in the Mode Control Motor Circuit (Front)
- DTC B1240 or DTC indicator B and MODE: A Problem in the Front Mode Control Motor Circuit, Linkage, Doors, or Motor (Front)
- DTC B1241 or DTC indicator C and MODE: A Problem in the Blower Motor Circuit (Front)
- DTC B1244 or DTC indicator F and MODE: An Open in the Rear Air Mix Control Motor Circuit
- DTC B1245 or DTC indicator G and MODE: A Short in the Rear Air Mix Control Motor Circuit
- DTC B1246 or DTC indicator H and MODE: A Problem in the Rear Air Mix Control Motor Circuit, Linkage, Door, or Motor
- DTC B2965: Rear Communication Failure
- DTC B2967 or DTC indicator A and WINDSHIELD DEFROST: An Open in the Humidity Sensor Circuit
- DTC B2968 or DTC indicator A and WINDSHIELD DEFROST: A Short in the Humidity Sensor Circuit
- DTC B2969: Climate Control Unit Lost Communication with MICU (WIPSW message)
- DTC B2970: Climate Control Unit Lost Communication with Gauge Control Unit (RM message)
- DTC B2979 or DTC indicator B and WINDSHIELD DEFROST: An Open in the A/C Pressure Sensor Circuit
- DTC B2980 or DTC indicator B and WINDSHIELD DEFROST: A Short in the A/C Pressure Sensor Circuit
- DTC B2983 or DTC indicator K and MODE: A Problem in the Recirculation Control Motor Circuit, Linkage, Door, or Motor
- DTC B2991: Climate Control Unit Lost Communication with Audio System
- Rear Mode Control Motor Circuit Troubleshooting
- Climate Control Unit Power and Ground Circuit Troubleshooting
- Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
- A/C Condenser Fan High Speed Circuit Troubleshooting
- A/C Compressor Clutch Circuit Troubleshooting
- Navigation Communication Line Circuit Troubleshooting
- Humidity/In-Car Temperature Sensor Test
- Outside Air Temperature Sensor Test
- Sunlight Sensor Test
- Front Power Transistor Test
- Driver's Air Mix Control Motor Test
- Passenger's Air Mix Control Motor Test
- Front Mode Control Motor Test
- Recirculation Control Motor Test
- Front Evaporator Temperature Sensor Test
- A/C Compressor Clutch Check
- Refrigerant Leak Check
- A/C System Noise Check
- A/C System Test
- A/C Condenser Replacement
- Receiver/Dryer Desiccant Replacement
- A/C Compressor Replacement
- A/C Compressor Clutch Overhaul
- A/C Compressor Relief Valve Replacement
- A/C Refrigerant Oil Replacement
- Front A/C Line Replacement
- Dust and Pollen Filter Replacement
- Blower Unit Removal/Installation
- Blower Unit Component Replacement
- Front Expansion Valve Replacement
- Front Evaporator Core Replacement
- Heater Unit/Core Replacement
- Driver's Air Mix Control Motor Replacement
- Passenger's Air Mix Control Motor Replacement
- Front Mode Control Motor Replacement
- Recirculation Control Motor Replacement
- Humidity/In-Car Temperature Sensor Replacement
- Outside Air Temperature Sensor Replacement
- Sunlight Sensor Replacement
- Front Evaporator Temperature Sensor Replacement
- Climate Control Unit Removal/Installation
- Refrigerant Recovery
- System Evacuation
- System Charging