HVAC

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Ambient Air Temperature Sensor Description
• Automatic Air Conditioning (A/C) System Description
• Blower Control Module Description
• Control Assembly Description
• 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
• Sun Load Temperature Sensor Description
• Vacuum Electrical Solenoid Description

All Special Tools and Equipment

• Special Tools

All Visual Identification

• HVAC Connector End Views

Diagnostic Procedures

• Air Recirculation Always On
• Air Recirculation Inoperative
• Air Temperature Control Inoperative
• Air Temperature Control Inoperative - Passenger
• Blower Motor Always On
• Blower Motor Inoperative at Any Speed
• Blower Motor Inoperative in Auto Mode
• Defrost Air Inoperative
• Diagnostic Starting Point
• Diagnostic System Check
• Heated Air Inoperative
• Instrument Panel Outlets Inoperative
• Symptoms

Diagnostic Trouble Codes

• Diagnostic Trouble Code (DTC) List/Type
• DTC 01 Inside Air Temp Sensor Circuit Shorted
• DTC 01, 03 and 08 or 02 and 04 Temp Controls Inop
• DTC 02 Inside Air Temp Sensor Circuit Open
• DTC 03 Outside Air Temp Sensor Circuit Shorted
• DTC 04 Outside Air Temp Sensor Circuit Open
• DTC 05 LH air Door Motor Circuit Open or Shorted
• DTC 06 RH air Door Motor Circuit Open or Shorted
• DTC 07 UART Serial Data Line Fault
• DTC 08 Sun Load Temp Sensor Open

Electrical/Electronic Schematic Diagrams

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

General Diagnostic Information

• Blower Delay
• Vacuum Test

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