HVAC

All Component Locator

• HVAC Component Views
• HVAC Components

All Description and Operation

• Actuator Description
• Ambient Air Temperature Sensor Description
• Blower Control Module Description
• Control Assembly 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
• 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 Conditioning (A/C) System Does Not Maintain Set Temperature
• Air Delivery Improper
• Blower Has High Speed Only
• Blower Motor Inoperative at Any Speed
• Cold Drafts on Floor
• Defrosting Insufficient
• Diagnostic Starting Point
• Diagnostic Trouble Code (DTC) Clearing
• Diagnostic Trouble Code (DTC) Displaying
• Heating Insufficient
• Symptoms

Diagnostic Trouble Codes

• DTC B0160 Outside Air Temp Sensor Circuit Low
• DTC B0161 Outside Air Temp Sensor Circuit High
• DTC B0165 Pass Compart Temp Sensor 1 Circuit Low
• DTC B0166 Pass Compart Temp Sensor 1 Circuit High
• DTC B0175 Output Air Temp Sensor 1 Circuit Low
• DTC B0176 Output Air Temp Sensor 1 Circuit High
• DTC B0180 Output Air Temp Sensor 2 Circuit Low
• DTC B0181 Output Air Temp Sensor 2 Circuit High
• DTC B0185 Solar Load Sensor 1 Circuit Low
• DTC B0186 Solar Load Sensor 1 Circuit High
• DTC B0408 Temperature Control #1 (Main/Front) Circuit Malfunction
• DTC B0415 Temp Control Circuit 1 Low
• DTC B0416 Temp Control Circuit 1 High
• DTC Table

Electrical/Electronic Schematic Diagrams

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

General Diagnostic Information

• Diagnostic System Check
• Functional Check
• Re-Calibrating Actuators After Power Loss
• Scan Tool Data Definitions
• Scan Tool Data List
• Scan Tool Diagnostics
• Sensor Resistance Table
• System Performance Test

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• GM SPO Group Numbers

Removal, Installation, and Replacement

• Ambient Temperature Sensor Replacement
• Blower Motor Control Module Replacement
• Control Assembly Replacement
• Inside Air Temperature Sensor Replacement
• Lower Discharge Air Temperature Sensor Replacement
• Sun Load Temperature Sensor Replacement
• Upper Discharge Air Temperature Sensor Replacement
• Vacuum Electrical Solenoid Replacement