HVAC

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Dual Zone Air Conditioning (A/C) System Description
• HVAC Blower Controls Circuit Description
• Operating Modes
• Programmer Description
• Vacuum Electrical Solenoid Description

All Special Tools and Equipment

• Special Tools

All Visual Identification

• HVAC Connector End Views

Diagnostic Procedures

• Air Delivery Improper
• Air Temperature Control Inoperative
• Air Temperature Control Inoperative - Passenger
• Blower Motor Does Not Operate Properly
• Blower Motor Inoperative at Any Speed
• Diagnostic Starting Point
• Diagnostic Trouble Code (DTC) Clearing
• Diagnostic Trouble Code (DTC) Displaying
• HVAC Compressor Clutch Does Not Disengage
• HVAC Compressor Clutch Does Not Engage
• Symptoms

Diagnostic Trouble Codes

• DTC B0332 Outside Air Temp Sensor Short to Ground
• DTC B0333 Outside Air Temperature Sensor Open
• DTC B0337 Inside Air Temp Sensor Short to GND
• DTC B0338 Inside Air Temperature Sensor Open
• DTC B0348 Sunload Temperature Sensor Open
• DTC B0361 Left Actuator Feedback Short to GND
• DTC B0363 Left Actuator Feedback Open
• DTC B0365 Right Actuator Feedback Short to GND
• DTC B0367 Right Actuator Feedback Open
• DTC B0441 Left Actuator Out of Range
• DTC B0446 Right Actuator Out of Range
• DTC Table

Electrical/Electronic Schematic Diagrams

• HVAC Air Delivery/Temperature Control Schematics
• HVAC Blower Control Schematics
• HVAC Compressor Control Schematics
• HVAC Schematic Icons

Electrical/Electronic Specifications

• Sensor Resistance Table

General Diagnostic Information

• Diagnostic System Check
• Intermittents and Poor Connections
• Re-Calibrating Actuators After Power Loss
• Scan Tool Data Definitions
• Scan Tool Data List
• Scan Tool Diagnostics

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• GM SPO Group Numbers

Removal, Installation, and Replacement

• Air Inlet Actuator Replacement
• Ambient Temperature Sensor Replacement
• Blower Motor Control Module Replacement
• Control Assembly Replacement
• Defroster Valve Actuator Replacement
• Inside Air Temperature Sensor Replacement
• Mode Valve Actuator Replacement
• Sun Load Temperature Sensor Replacement
• Temperature Actuator Replacement
• Vacuum Electrical Solenoid Replacement