HVAC Climate Control System - General Information And Diagnostics
- Specifications
- Description And Operation
- Climate Control System
- Notes
- Electronic Manual Temperature Control (EMTC) System
- Dual Automatic Temperature Control (DATC) System
- External Temperature Display
- Auxiliary Climate Control System
- System Airflow Description - Electronic Manual Temperature Control (EMTC)
- System Airflow Description - Dual Automatic Temperature Control (DATC)
- Climate Control System
- Diagnosis And Testing
- Climate Control System
- Special Tool(s)
- Principles of Operation
- Compressor Anti-Slugging Strategy (CASS)
- The Refrigerant Cycle
- Inspection and Verification
- Alternate Diagnostic Methods - HVAC Module
- HVAC Module Cold Boot Process
- DTC Charts
- Symptom Chart - Climate Control Systems
- Symptom Chart - NVH
- Pinpoint Tests
- Notes
- Pinpoint Test A: DTC P0532 or P0533
- Pinpoint Test B: DTC P0645
- Pinpoint Test C: DTC C1B14
- Pinpoint Test D: DTC B1A61
- Pinpoint Test E: DTC B1A68
- Pinpoint Test F: DTC B1A63 or DTC B1A64
- Pinpoint Test G: B1B71
- Pinpoint Test H: HVAC Functions Verification
- Pinpoint Test I: The Air Inlet Door is Inoperative
- Pinpoint Test J: Incorrect/Erratic Direction of Airflow From Outlets
- Pinpoint Test K: Insufficient, Erratic or No Heat
- Pinpoint Test L: The Air Conditioning (A/C) is Inoperative
- Pinpoint Test M: The Air Conditioning (A/C) is Always On - A/C Compressor Does Not Cycle
- Pinpoint Test N: The Air Conditioning (A/C) is Always On - A/C Mode Always Commanded ON
- Pinpoint Test O: Temperature Control is Inoperative/Does Not Operate Correctly
- Pinpoint Test P: The Blower Motor is Inoperative
- Pinpoint Test Q: The Blower Motor Does Not Operate Correctly
- Pinpoint Test R: The Auxiliary Blower Motor is Inoperative
- Pinpoint Test S: The Auxiliary Blower Motor Does Not Operate Correctly
- Pinpoint Test T: The Auxiliary Temperature Control is Inoperative/Does Not Operate Correctly Using the Front/Rear Auxiliary Climate Controls
- Pinpoint Test U: The Auxiliary Panel/Floor Control is Inoperative/Does Not Operate Correctly Using the Front/Rear Auxiliary Climate Controls
- Pinpoint Test V: The Auxiliary Temperature, Panel/Floor and Blower Motor Controls are Inoperative/Do Not Operate Correctly Using the Front/Rear Auxiliary Climate Controls
- Pinpoint Test W: DTC B11E0, B11E1 or B11E2
- Pinpoint Test X: DTC U3006
- Component Tests
- Temperature Sensor - In-Vehicle
- Temperature Sensor - Ambient
- Temperature Sensor - Evaporator Discharge
- Air Inlet Door Actuator
- Floor/Defrost/Panel Door Actuator
- Blend Door Actuator
- Auxiliary Temperature Door Actuator
- Auxiliary Panel/Floor Door Actuator
- Heater Core
- Heater Core - Plugged
- Heater Core - Pressure Test
- Heater Core - Bench Test
- Evaporator/Condenser Core - On-Vehicle Leak Test
- A/C Compressor - External Leak Test
- Climate Control System
- General Procedures
- Refrigerant System Tests
- Air Conditioning (A/C) Clutch Air Gap Adjustment
- Fluorescent Dye Leak Detection
- Electronic Leak Detection
- Air Conditioning (A/C) System Flushing
- Refrigerant System Filtering Following Air Conditioning (A/C) Compressor Installation
- Air Conditioning (A/C) System Recovery, Evacuation and Charging
- Special Tool(s)
- Material
- Refrigerant System Recovery
- Refrigerant System Evacuation Using a R-134a Refrigerant Management Machine
- Refrigerant System Evacuation Using a R-134a Manifold Gauge Set and Vacuum Pump
- Refrigerant System Charging Using a R-134a Refrigerant Management Machine
- Refrigerant System Charging Using a R-134a Manifold Gauge Set and Automatic Refrigerant Charging Meter
- Refrigerant Oil Adding
- Special Tool(s)
- Material
- Refrigerant Oil Adding
- Adding Refrigerant Oil After A/C Compressor Replacement
- Adding Refrigerant Oil After New Suction Accumulator or Receiver/Drier Replacement
- Adding Refrigerant Oil After Multiple Component Replacement After A/C System Contamination
- Oil Injection Using a Dye/Lubricant Injector
- Refrigerant Identification Testing
- Air Conditioning (A/C) Odor Treatment