For 1990-2009 cars

# HVAC

## All Component Locator

- HVAC Component Views

## All Description and Operation

- Air Delivery Description and Operation
- Automatic HVAC Description and Operation

## All Visual Identification

- HVAC Connector End Views

## Diagnostic Procedures

- Air Delivery Improper
- Blower Motor Inoperative
- Control Head Illumination/Display Does Not Operate Properly
- Control Head Inoperative
- HVAC Compressor Clutch Does Not Engage
- Improper Control Response
- Symptoms - HVAC Systems - Automatic
- Too Cold in Vehicle
- Too Hot in Vehicle

## Diagnostic Trouble Codes

- DTC B0163, B0173, or B0178
- DTC B0173 or B0178
- DTC B0183
- DTC B0193
- DTC B0228
- DTC B0283
- DTC B0413
- DTC B3779
- DTC B3843
- DTC B3933
- DTC P0532 or P0533
- DTC P0645, P0646, or P0647

## Electrical/Electronic Schematic Diagrams

- HVAC Schematics

## General Diagnostic Information

- Scan Tool Data Definitions
- Scan Tool Data List
- Scan Tool Output Controls

## Mechanical Specifications

- Fastener Tightening Specifications

## Removal, Installation, and Replacement

- Air Inlet Valve Actuator Replacement
- Ambient Air Temperature Sensor Replacement
- Automatic A/C Engine Coolant Temperature Sensor Replacement
- Blower Motor Control Module Replacement
- Heater and Air Conditioning Control Replacement
- Mode Valve Actuator Replacement
- Sun Load Temperature Sensor Replacement
- Temperature Valve Actuator Replacement