Section 1071 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. 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 B0165 or B0166: Passenger Compartment Temp Sensor 1 Circuit Low/High
- DTC B0233: Air Flow Control Circuit
- DTC B0408 or B0418: Temperature Control Circuit
- DTC B3933: Air Conditioning (A/C) Evaporator Temperature Sensor Circuit
- DTC P0530, P0532, or P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor Signal Circuit Too Low or Too High
- DTC P0645, P0646, or P0647: Air Conditioning (A/C) Clutch Relay Control Circuit
- Symptoms - HVAC Systems - Automatic
- HVAC Compressor Clutch Does Not Engage (LA1 / 3.4L)
- HVAC Compressor Clutch Does Not Engage (LY7 / 3.6L)
- 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
- Repair Instructions
- HVAC Control Module Replacement
- Blower Motor Control Processor Replacement
- Recirculation Actuator Replacement
- Mode Actuator Replacement
- Air Temperature Actuator Replacement - Right
- Air Temperature Actuator Replacement - Left
- Aspirator Replacement
- Ambient Air Temperature Sensor Replacement
- Sun Load Sensor Replacement
- Description and Operation
- Special Tools and Equipment