Section 3 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description & Operation
- Component Location
- Programming
- 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 B0189: SUNLOAD Sensor
- DTC B0234: Left Air Temperature Door Actuator Travel Range Error
- DTC B0237: Left Temperature Actuator
- DTC B0249: Mode Door Calibration Error
- DTC B0252: Mode Door Position Signal
- DTC B0269: RECIRCULATION Door Calibration Error
- DTC B0272: RECIRCULATION Actuator
- DTC B0279: Right Air Temperature Door Actuator Travel Range Error
- DTC B0282: Right Temperature Actuator
- DTC B0490: Passenger Door Module
- DTC B1000: Loss Of Communication To Instrument Panel Module (IPM)
- DTC B2805: Steering Wheel Controls
- DTC P0530, P0532 & P0533: A/C Pressure Sensor (Temperature High Or Low)
- DTC P1531: Dash Integration Module (Dim)
- DTC P1536: Engine Coolant Temperature Sensor
- DTC P1540: A/C Pressure Sensor
- DTC P1545 & P1546: A/C Clutch Relay Control Circuit
- System Tests
- Symptom Tests
- Notes
- Test A: A/C System Does Not Maintain Set Temperature
- Test B: Air Delivery Improper
- Test C: Air RECIRCULATION Malfunction
- Test D: Blower Motor Always On
- Test E: Blower Motor Does Not Operate In Any Mode
- Test F: Blower Motor Malfunction
- Test G: Compressor Clutch Does Not Disengage
- Test H: Compressor Clutch Does Not Engage
- Test I: Control Head Illumination/Display Does Not Operate Properly
- Test J: Dual Stage Orifice Malfunction
- Test K: Outside Air Temperature Display Inaccurate
- Test L: Passenger HVAC Control Does Not Operate Properly
- Test M: Steering Wheel Controls Are Inoperative
- Test N: Temperature Is Too Cold In Vehicle
- Test O: Temperature Is Too Hot In Vehicle
- Test P: Temperature Variation Between Driver And Passenger Outlets
- Removal & Installation
- Notes
- Accumulator
- A/C Refrigerant Low Temperature Sensor
- A/C Pressure Sensor
- Air Temperature Door Actuators
- Air Temperature Doors
- Air Temperature Sensors
- Ambient Air Temperature Sensor
- Aspirator
- Blower Motor
- Blower Motor Control Processor
- Center Console
- Compressor
- Compressor Hose
- Condenser
- Defroster Door
- Dash Integration Module (Dim)
- Evaporator Core
- Heater Core
- HVAC Control Module
- HVAC Assembly
- Inside Air Temperature Sensor
- Instrument Panel
- Instrument Panel Integration Module (IPM)
- Mode Actuator
- Mode Door
- Orifice Solenoid & Screen
- Passenger Compartment Air Filter
- Passenger-Side Temperature Control Panel
- RECIRCULATION Actuator
- Steering Wheel Control Switches
- SUNLOAD Sensor
- Torque Specifications
- Connector Identification
- Wiring Diagrams