Section 352 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic & Routing Diagrams
- Component Locator
- Diagnostic Information & Procedures
- Diagnostic System Check - HVAC Systems - Automatic
- Scan Tool Output Controls
- Scan Tool Data Lists
- Scan Tool Data Definitions
- Diagnostic Trouble Code List
- DTC B0126, B0131, B0159, B0164, B0174 or B0179: Air Temperature Sensor Circuit
- DTC B0184 or B0189: Solar Load Sensor Circuit
- DTC B0234, B0249, B0269 or B0279: HVAC Door Actuator Range Error
- DTC B0237, B0252, B0272 or B0282: HVAC Door Actuator Inoperative
- DTC B0490: Passenger Temperature Control Cooler/Warmer Switch Circuit Range
- DTC B1000: ECU Malfunction
- DTC B2805: Steering Whl Controls HVAC Sw CKT Malf
- DTC P0532 or P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
- DTC P1531: A/C Refrigerant Low Temperature Sensor Signal Circuit
- DTC P1536: Engine Coolant Overtemperature - Air Conditioning (A/C) Disabled
- DTC P1540: Air Conditioning (A/C) Refrigerant Overpressure - Air Conditioning (A/C) Disabled
- DTC P1545: Air Conditioning (A/C) Clutch Relay Control Circuit
- Symptoms - HVAC Systems - Automatic
- HVAC Compressor Clutch Does Not Engage
- HVAC Compressor Clutch Does Not Disengage
- Blower Motor Always On
- Blower Motor Inoperative
- Blower Motor Malfunction
- Too Hot in Vehicle
- Too Cold In Vehicle
- Air Delivery Improper
- Air RECIRCULATION Malfunction
- Temperature Variation Between Driver & Passenger Outlets
- Control Head Illumination/Display Does Not Operate Properly
- Outside Air Temperature Display Inaccurate Or Inoperative
- Air Conditioning (A/C) System Does Not Maintain Set Temperature
- Steering Wheel Controls Inoperative
- Passenger HVAC Control Does Not Operate Properly
- Dual-Stage Orifice Malfunction
- Afterblow Enable Procedure
- Re-Calibrating Actuators
- Repair Instructions
- HVAC Control Module Replacement
- Air Temperature Switch Assembly Replacement - Right
- Blower Motor Control Processor Replacement
- Recirculation Actuator Replacement
- Mode Actuator Replacement
- Air Temperature Actuator Replacement - Right
- Air Temperature Actuator Replacement - Left
- Aspirator Replacement
- Air Temperature Sensor Replacement - Upper Right
- Air Temperature Sensor Replacement - Upper Left
- Air Temperature Sensor Replacement - Lower Left
- Air Temperature Sensor Replacement - Lower Right
- Ambient Air Temperature Sensor Replacement
- Inside Air Temperature Sensor Replacement
- Sun Load Sensor Replacement
- Description & Operation
- Air Delivery Description & Operation
- Air Temperature Description & Operation
- Notes
- HVAC Control Components
- HVAC Control Module
- Instrument Panel Integration Module
- Air Temperature Actuator
- Air Temperature Sensors
- Sunload Sensor
- A/C Refrigerant Pressure Sensor
- A/C Refrigerant Low Temperature Sensor
- A/C Compressor Temperature Switch
- Dual-Stage Orifice
- Heating & A/C Operation
- Automatic Operation
- Dual Zone Operation
- Steering Wheel Controls
- Engine Coolant
- A/C Cycle
- Special Tools & Equipment