Section 840 (HVAC Systems - Automatic)
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 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: Inside Air Temperature Sensor Signal Circuit Voltage
- DTC B0233: Mode Actuator Position Signal
- DTC B0408 or B0418: Air Temperature Position Signal
- DTC B3933: Evaporator Temperature Sensor Voltage Low
- DTC P0530: A/C Refrigerant Pressure Sensor Voltage
- DTCP1546: Short To Ground, Open Circuit Or Short To Battery Voltage On 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
- 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 & Equipment