Section 16 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2002 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description & Operation
- Component Locations
- Adjustments
- Trouble Shooting
- Performance Tests
- Self Diagnostic System
- Diagnostic Tests
- DTC B0126: Upper Right Air Temperature Sensor
- DTC B0131: Lower Right Air Temperature Sensor
- DTC B0159: Ambient Air Temperature Sensor
- DTC B0164: Inside Air Temperature Sensor
- DTC B0174: Upper Left Air Temperature Sensor
- DTC B0179: Lower Left Air Temperature Sensor
- DTC B0184 Or DTC B0189: SUNLOAD Sensor Assembly
- DTC B0234: Left Air Temperature Actuator
- DTC B0237: Left Air Temperature Actuator
- DTC B0249: Mode Actuator
- DTC B0252: Mode Actuator
- DTC B0269: RECIRCULATION Actuator
- DTC B0272: RECIRCULATION Actuator
- DTC B0279: Right Air Temperature Actuator
- DTC B0282: Right Air Temperature Actuator
- DTC B0490: Right Air Temperature Switch Assembly
- DTC B1000: Ecu Malfunction
- DTC B2805: Steering Wheel Controls
- DTC P0530: A/C Refrigerant Pressure Sensor
- DTC P1536: Coolant OVERPRESSURE Disables A/C
- DTC P1540: A/C Refrigerant OVERPRESSURE
- DTC P1546: A/C Compressor Clutch Relay
- System Tests
- Symptom Tests
- Notes
- Test A: Air Delivery Improper
- Test B: Air RECIRCULATION Malfunction
- Test C: Blower Motor Always On
- Test D: Blower Motor Inoperative
- Test E: Blower Motor Malfunction
- Test F: Compressor Clutch Does Not Disengage
- Test G: Compressor Clutch Does Not Engage
- Test H: Control Head Illumination/Display Does Not Operate Properly
- Test I: Defrosting Insufficient
- Test J: Outside Air Temperature Display Inaccurate Or Inoperative
- Test K: Passenger Control Does Not Operate
- Test L: Steering Wheel Controls Inoperative
- Test M: System Does Not Maintain Set Temperature
- Test N: Temperature Variation Between Driver & Passenger Outlets
- Test O: Too Cold In Vehicle
- Test P: Too Hot In Vehicle
- Component Tests
- Removal & Installation
- Notes
- Accumulator
- Air Temperature Actuators
- Air Temperature Sensor
- Air Temperature Switch
- Ambient Air Temperature Sensor
- Aspirator
- Blower Motor (Without Vent Tube)
- Blower Motor (With Vent Tube)
- Blower Motor Control Processor
- Compressor
- Compressor Hose Assembly
- Compressor Relay
- Condenser
- Evaporator Core
- Heater Core (Without Console)
- Heater Core (With Console)
- HVAC Control Module
- HVAC Module Assembly
- Inside Air Temperature Sensor
- Mode Actuator
- Mode Door (Lower)
- Mode Door (Upper)
- Orifice Tube
- Passenger Compartment Air Filter
- RECIRCULATION Actuator
- RECIRCULATION Door
- Refrigerant Pressure Sensor
- Service Ports
- SUNLOAD Sensor
- Torque Specifications
- Connector Identification
- Wiring Diagrams