HVAC

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Actuator Description
• Ambient Air Temperature Sensor Description
• Blower Motor Description
• Control Assembly Description
• Control Assembly Description - Passenger
• Dual Zone Air Conditioning (A/C) System Description
• HVAC Air Delivery/Temperature Control Circuit Description
• HVAC Blower Controls Circuit Description
• HVAC Compressor Controls Circuit Description
• Inside Air Temperature Sensor Description
• Operating Modes
• Programmer Description
• Purge Mode Description
• Relays and Sensors Description
• Sun Load Temperature Sensor Description

All Special Tools and Equipment

• Special Tools

All Visual Identification

• HVAC Connector End Views

Cleaning, Inspection, and Adjustment

• Temperature Valve Link Adjustment - Driver
• Temperature Valve Link Adjustment - Passenger
• Temperature Valve Replacement - Passenger

Diagnostic Procedures

• Air Delivery Improper
• Air Temperature Control Inoperative - Passenger
• Blower Motor Always On
• Blower Motor Does Not Operate Properly
• Cooling Insufficient - Air Conditioning (A/C) System
• 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 B1310 Ambient Air Temperature Sensor Failure
• DTC B1311 Outside Air Temp Sensor Short Circuit
• DTC B1312 High Side Temp Sensor Open Circuit
• DTC B1313 High Side Temp Sensor Short Circuit
• DTC B1314 Evaporator Inlet Temp Sensor Open CKT
• DTC B1315 Evaporator Inlet Temp Sensor Short CKT
• DTC B1316 In Car Temperature Sensor Open Circuit
• DTC B1317 In Car Temperature Sensor Short Circuit
• DTC B1318 Sunload Sensor Open Circuit
• DTC B1319 Sunload Sensor Short Circuit
• DTC B1340 Air Mix Door One Movement Fault
• DTC B1341 Air Mix Door Two Movement Fault
• DTC B1347 Very Low A/C Refrigerant Warning
• DTC B1348 Very Low A/C Refrigerant Pressure
• DTC B1350 Engine Coolant Over-Temperature
• DTC B2510 Steering Wheel Controls HVAC Key Stuck

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
• Fault Detection
• Functional Check
• Self-Diagnostics

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• GM SPO Group Numbers

Removal, Installation, and Replacement

• Air Inlet Actuator Replacement
• Air Mix Actuator Replacement - Driver
• Air Mix Actuator Replacement - Passenger
• Ambient Temperature Sensor Replacement
• Control Assembly Replacement
• Inside Air Temperature Sensor Replacement
• Programmer Replacement
• Sun Load Temperature Sensor Replacement
• Vacuum Electrical Solenoid Replacement