Section 238 (HVAC System - Automatic)
WARNING: This page is about a different car, the 2017 Cadillac ATS. 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 (Without UE1)
- DTC B0163, B0183, or B1405: Passenger Compartment Temperature Sensor/Solar Load Sensor/Control Module Voltage Reference Output 2 (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 B018A, B048C, B048F, or B1395: Humidity Sensor/Windshield Temperature Sensor/Control Module Voltage
- DTC B0183: Solar Load Sensor (Without UE1)
- DTC B0193: Front Blower Motor Speed
- DTC B0223, B0228, B0233, B0408, B0413, B0418, B0423, B1395, or B374A: Recirculation/Main Temperature Control
- 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 B0178 or B0514: Duct Air Temperature Sensor
- DTC B269A, B269C, or B269D: Heater Coolant Pump
- DTC B3933: Air Conditioning Evaporator Temperature Sensor
- DTC B393B: Air Conditioning Compressor Valve Control
- DTC P0531, P0532, or P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor
- 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
- DTC P156A-P156C: Air Conditioning (A/C) Pressure
- 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
- Vent Valve Lever Replacement
- Air Inlet Valve Actuator Replacement (Fresh Air)
- Mode Valve Actuator Gear Replacement
- Mode Valve Actuator Replacement
- Mode Control Cam Replacement
- Mode Control Cam Cover Replacement
- Mode Control Cam Actuator Lever Replacement
- Defroster Valve Lever Replacement
- Temperature Valve Actuator Replacement - Right Side
- Temperature Valve Actuator Replacement - Left Side
- Duct Air Temperature Sensor Replacement - Lower Left Side
- Duct Air Temperature Sensor Replacement - Lower Right Side
- Evaporator Air Temperature Sensor Replacement
- Inside Air Moisture and Windshield Temperature Sensor Replacement
- Sun Load Temperature Sensor Replacement
- Description and Operation