Section 239 (HVAC System - Automatic)
WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- HVAC Component Replacement Reference
- DTC B0163: Passenger Compartment Temperature Sensor Circuit (UE1)
- DTC B0163, B0183 or B1405: Passenger Compartment Temperature Sensor Circuit, Solar Load Sensor Circuit, Control Module Voltage Reference Output 2 Circuit (Without UE1)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B0173, B0178, B0509, B0514, B0519, B3583 or B3933: Duct Air Temperature Sensor Circuit, Air Conditioning Evaporator Temperature Sensor Circuit
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B018A, B048C, B048F or B1395: Windshield Temperature Sensor Circuit, Humidity Sensor, Control Module Voltage Reference Output Circuit
- DTC B0183: Solar Load Sensor Circuit (UE1)
- DTC B0193: Front Blower Motor Speed Circuit
- DTC B0223, B0228, B0233, B0408, B0413, B0418, B0423, B0433, B1395, B374A or B3782: Recirculation Circuit, Air Flow Control Circuit, Temperature Circuit, Control Module Voltage Reference Output Circuit
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B269A, B269C or B269D: Heater Coolant Pump Control Circuit
- DTC B3843: Air Quality Sensor Circuit
- DTC B393B: Air Conditioning Compressor Valve Control Circuit
- DTC P0531, P0532 or P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0645, P0646 or P0647: Air Conditioning (A/C) Compressor Clutch Relay Control Circuit
- Symptoms - HVAC Systems - Automatic
- HVAC System Malfunction
- Air Conditioning Compressor Malfunction
- Afterblow Enabling
- Actuator Recalibration
- Repair Instructions
- Wire to Wire Repair - HVAC
- Connector Reconnection - HVAC
- Heater and Air Conditioning Remote Control Replacement
- Heater and Air Conditioning Control Temperature Rod Replacement (CJ2)
- Auxiliary Heater and Air Conditioning Control Replacement (CJ4)
- Vent Valve Lever Replacement
- Air Inlet Valve Actuator Replacement (Fresh Air)
- Mode Valve Actuator Gear Replacement (CJ4)
- Mode Valve Actuator Gear Replacement (CJ2)
- Mode Valve Actuator Replacement (CJ2)
- Mode Valve Actuator Replacement (CJ4)
- Mode Control Cam Replacement (CJ2)
- Mode Control Cam Replacement (CJ4)
- Mode Control Cam Cover Replacement (CJ2)
- Mode Control Cam Cover Replacement (CJ4)
- Mode Control Cam Actuator Lever Replacement (CJ2)
- Mode Control Cam Actuator Lever Replacement (CJ4)
- Defroster Valve Lever Replacement
- Temperature Valve Actuator Replacement - Right Side
- Temperature Valve Actuator Replacement - Left Side (CJ2)
- Temperature Valve Actuator Replacement - Left Side (CJ4)
- Auxiliary Temperature Valve Actuator Replacement (CJ4)
- Mode Valve Actuator Replacement - Console (Left Side)
- Duct Air Temperature Sensor Replacement - Upper (Front Floor Console CJ4)
- Duct Air Temperature Sensor Replacement - Upper Right Side
- Duct Air Temperature Sensor Replacement - Upper Left Side
- Duct Air Temperature Sensor Replacement - Lower (Right Floor Rear Air Outlet Duct)
- Duct Air Temperature Sensor Replacement - Lower Left Side
- Duct Air Temperature Sensor Replacement - Lower Right Side
- Ambient Air Quality Sensor Replacement
- Evaporator Air Temperature Sensor Replacement
- Inside Air Moisture and Windshield Temperature Sensor Replacement
- Sun Load Temperature Sensor Replacement
- Description and Operation