Section 484 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2004 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic System Check - HVAC Systems - Automatic
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC B1310, B1317, B1330, B1331, B1332, or B1333: Air Temperature Sensor Circuit
- DTC B1318 or B1328: Sunload Sensor Circuit
- DTC B1321: A/C Low Side Temperature Sensor Fault
- DTC B1324: A/C Refrigerant Overpressure
- DTC B1340, B1341, B1343, or B1344: Air Mix Door Movement Fault
- DTC B1399: Loss of KDD Communications
- DTC B2510: Steering Wheel Controls HVAC Key Stuck
- DTC P0532 or P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
- 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
- Blower Motor Always On - Auxiliary
- Blower Motor Inoperative - Auxiliary
- Blower Motor Malfunction - Auxiliary
- Too Hot in Vehicle
- Too Cold in Vehicle
- Too Hot in Vehicle - Auxiliary
- Too Cold in Vehicle - Auxiliary
- Air Delivery Improper
- Air Delivery Improper - Auxiliary
- Air Recirculation Malfunction
- Outside Air Temperature Display Inaccurate or Inoperative
- Steering Wheel Controls Inoperative
- Re-Calibrating Actuators
- Repair Instructions
- HVAC Control Module Replacement
- Steering Wheel HVAC Control Assembly Replacement
- HVAC Control Module Replacement - Auxiliary
- Blower Motor Control Processor Replacement (LHD)
- Recirculation Actuator Replacement
- Mode Actuator Replacement
- Air Temperature Actuator Replacement - Right
- Air Temperature Actuator Replacement - Left
- Mode Actuator Replacement - Auxiliary
- Air Temperature Sensor Replacement - Upper Right
- Air Temperature Sensor Replacement - Upper Left
- Air Temperature Sensor Replacement - Lower Left (LHD)
- Air Temperature Sensor Replacement - Lower Right (LHD)
- Ambient Air Temperature Sensor Replacement
- Inside Air Temperature Sensor Assembly Replacement (LHD)
- Sun Load Sensor Replacement
- Description and Operation
- Air Delivery Description and Operation
- Air Temperature Description and Operation
- Special Tools and Equipment