Climate Control System
- Component Location
- Specifications
- Description And Operation
- Climate Control System
- Climate Control System Operation
- System Airflow Description - Dual Automatic Temperature Control
- Air Distribution
- Heating and Ventilation
- Air Conditioning
- Auxiliary Climate Control
- Control Components
- Dual Automatic Temperature Control
- Control System Inputs
- DATC Module
- Steering Wheel Audio/Climate Control Switch
- Ambient Air Temperature Sensor
- In-Vehicle Temperature Sensor
- Solar Radiation Sensor
- Pcm
- Control System Outputs
- Automatic Temperature Control (ATC) Solenoid and Manifold
- Blower Motor Speed Control
- Temperature Blend Door Actuators
- Vacuum Control Motors
- Diagnosis And Testing
- Climate Control System
- Notes
- Vacuum Schematic - Dual Automatic Temperature Control System
- Inspection and Verification
- Dual Automatic Temperature Control Module - Diagnostic Methods
- Diagnostic Trouble Code Index
- Symptom Chart
- Notes
- Connector Circuit Reference
- DATC Module C228a
- DATC Module C228b
- In-Vehicle Temperature Sensor C233
- Ambient Air Temperature Sensor C132
- Front Blower Motor Speed Control Module C271
- ATC Solenoid And Manifold C2093
- Temperature Blend Door Actuator (LH) C289
- Temperature Blend Door Actuator (RH) C2092
- Clockspring C218a
- Solar Radiation Sensor C286
- A/C Compressor Clutch Field Coil C1110
- Powertrain Control Module (PCM) C175a
- Auxiliary Mode Door Actuator C3020
- Auxiliary Blower Motor Resistor C3022
- Blower Motor C2004
- Auxiliary Blower Motor C3021
- Front Auxiliary Control C938a
- Rear Auxiliary Control C3198b
- Front Auxiliary Blower Motor Switch C938b
- Rear Auxiliary Blower Motor Switch C3198a
- Auxiliary Temperature Blend Door Actuator C3019
- Auxiliary A/C Relay
- Blower Motor Relay
- A/C Compressor Clutch Relay
- A/C High Pressure Switch C1078
- A/C Pressure Sensor And Low Pressure Cutoff Switch
- Pinpoint Test A: DTC B2266 Or DTC B2267 - Blend Door Failure or Short
- Pinpoint Test B: DTC B1251 Or DTC 1253 - A/C In-vehicle Temperature Sensor Open Circuit or Short to Ground
- Pinpoint Test C: DTC B1255 Or DTC B1257 - A/C Ambient Temperature Sensor Open Circuit Or Short to Ground
- Pinpoint Test D: DTC B1259 Or DTC B1261 - Solar Radiation Sensor Open Circuit Or Short to Ground
- Pinpoint Test E: DTC B2268 Or DTC B2269 - Steering Wheel Control Switch Open Circuit Or Short to Ground
- Pinpoint Test F: No Communication With DATC Module
- Pinpoint Test G: The DATC System is Inoperative, Intermittent Or Incorrect Operation
- Pinpoint Test H: Incorrect/Erratic Direction of Airflow From Outlet(s)
- Pinpoint Test I: Insufficient, Erratic Or No Heat
- Pinpoint Test J: The A/C Does Not Operate/Does Not Operate Correctly
- Pinpoint Test K: The A/C Is Always On
- Pinpoint Test L: The Blower Motor Is Inoperative
- Pinpoint Test M: The Blower Motor Does Not Operate Correctly
- Pinpoint Test N: The Auxiliary Blower Motor Is Inoperative
- Pinpoint Test O: The Auxiliary Blower Motor Does Not Operate Correctly Using The Front Auxiliary Climate Controls
- Pinpoint Test P: The Auxiliary Blower Motor Does Not Operate Correctly Using The Rear Auxiliary Climate Controls
- Pinpoint Test Q: The Panel/Floor Control Is Inoperative Using The Front Auxiliary Climate Controls
- Pinpoint Test R: The Panel/Floor Control Is Inoperative Using The Rear Auxiliary Climate Controls
- Pinpoint Test S: The Temperature Control Is Inoperative Using The Front Auxiliary Climate Controls
- Pinpoint Test T: The Temperature Control Is Inoperative Using The Rear Auxiliary Climate Controls
- Pinpoint Test U: The Panel/Floor and Cool/Warm Controls Are Inoperative Using The Front Auxiliary Climate Controls
- Pinpoint Test V: The Panel/Floor and Cool/Warm Controls Are Inoperative Using The Rear Auxiliary Climate Controls
- Pinpoint Test W: Insufficient Air Conditioning (A/C) Cooling
- Component Tests
- Auxiliary Blower Motor Resistor
- ATC Solenoid and Manifold
- Ambient Temperature Sensor
- In-Vehicle Temperature Sensor
- Steering Wheel Control Switch
- Front Auxiliary Climate Control Assembly
- Rear Auxiliary Climate Control Assembly
- Heater Core
- Heater Core - Plugged
- Heater Core - Pressure Test
- Heater Core - Bench Test
- A/C Evaporator/Condenser Core - On Vehicle Leak Test
- A/C Compressor - External Leak Test
- Climate Control System
- General Procedures
- Air Conditioning (A/C) System Check - Retail Procedure
- Spring Lock Coupling
- Air Conditioning Line (Peanut) Fitting
- Air Conditioning (A/C) Clutch Air Gap Adjustment
- Manifold Gauge Set Connection
- Electronic Leak Detection
- Fluorescent Dye Leak Detection
- Air Conditioning (A/C) System Flushing
- Air Conditioning (A/C) System Recovery, Evacuation and Charging
- Refrigerant System Filtering Following Air Conditioning (A/C) Component Installation
- Refrigerant Oil Adding
- Refrigerant Identification Testing
- Contaminated Refrigerant Handling
- Vacuum Hose Repair - Mini-Tube
- Removal And Installation
- Instrument Panel Registers
- Heater Core and Evaporator Core Housing, Assembly and Components
- Plenum Chamber, Assembly and Components
- Blower Motor - Front
- Blower Motor - Auxiliary
- Heater Core - Front
- Heater Core - Auxiliary
- Heater Control Valve and Heater Hoses
- Air Conditioning (A/C) Compressor
- Condenser Core
- Compressor Manifold and Tube Assembly
- Receiver Drier Manifold and Tube Assembly
- Thermostatic Expansion Valve Manifold and Tube Assembly
- Receiver Drier
- Thermostatic Expansion Valve
- Blower Motor Resistor - Auxiliary
- Auxiliary Climate Control Housing, Assembly and Components
- Auxiliary Climate Control Assembly - Front
- Auxiliary Climate Control Assembly - Rear
- Auxiliary Heater Outlet and Inlet Line - Front
- Auxiliary Heater Outlet and Inlet Line - Rear
- Auxiliary Evaporator Outlet and Inlet Line - Front
- Auxiliary Evaporator Outlet and Inlet Line - Rear
- Air Distribution Ducts
- Climate Control Assembly
- Blower Motor Speed Control
- Ambient Air Temperature Sensor
- In-Vehicle Temperature Sensor
- Temperature Blend Door Actuator - RH
- Temperature Blend Door Actuator - LH
- Temperature Blend Door Actuator - Auxiliary
- Blend Door Actuator - Auxiliary
- Vacuum Control Motor - Defrost Door
- Vacuum Control Motor - Panel Door
- Vacuum Control Motor - Air Inlet Door
- Vacuum Reservoir