HVAC System - Testing & Troubleshooting (Except Hybrid)

• Replacement
  • A/C Refrigerant Oil Replacement (1234yf)
    • Notes
    • Replacement
  • A/C Refrigerant Oil Replacement(134a)
    • Notes
    • Replacement
  • A/C Refrigerant Recovery/Evacuation/Charging (1234yf)
    • Notes
    • Procedure
  • A/C Refrigerant Recovery/Evacuation/Charging (134a)
    • Notes
    • Procedure
• Repair Regeneration
  • Rear Window Defogger Wire Repair
    • Reconditioning
• Description & Operation
  • A/C System Description
  • A/C System Description - Components (2017 2018 2019)
  • A/C System Description - Components (2020 2021)
  • A/C System Description - System Diagram (2017 2018 2019)
  • A/C System Description - System Diagram (2020 2021)
  • Heated Steering Wheel System Description - System Diagram
  • Rear Window Defogger System Description
  • Rear Window Defogger System Description - System Diagram
• Connector View
  • Climate Control Unit Connector for Inputs and Outputs (2017 2018 2019)
  • Climate Control Unit Connector for Inputs and Outputs (2020 2021)
• Check
  • A/C Compressor Clutch Check
    • Check
  • A/C Refrigerant Leak Check (134a)
    • Notes
    • Check
• Input Test
  • Heated Steering Wheel Control Unit Input Test
• Troubleshooting
  • A/C Signal Circuit Troubleshooting(1.5 L Engine)
  • A/C Signal Circuit Troubleshooting(2.4 L Engine) (2017 2018 2019)
• Diagnosis
  • A/C Diagnostic Process
• Bleeding
  • Drive Belt Auto-Tensioner Air Bleeding (1.5 L Engine)
    • Bleeding
• Test
  • A/C Compressor Variable Capacity Control Solenoid Test
    • Test
  • A/C System Test (1234yf)
    • Notes
    • Test
  • A/C System Test (134a)
    • Notes
    • Test
  • Radiator and A/C Condenser Fan Motor Test
    • Test
• Inspection
  • A/C System Contamination Inspection
    • Inspection
    • Replacement
  • A/C System Inspection
    • Inspection
• DTC Troubleshooting Index
  • Climate Control System DTC Troubleshooting Index (2017 2018 2019)
• Circuit Diagram
  • Climate Control System Circuit Diagram (2017 2018 2019)
  • Climate Control System Circuit Diagram (2020 2021)
  • Heated Steering Wheel Circuit Diagram
  • Rear Window Defogger Circuit Diagram
• General Information
  • A/C Service Tips and Precautions (1234yf)
  • A/C Service Tips and Precautions (134a)
• Component Location Index
  • Climate Control System Component Location Index
  • Climate Control System Component Location Index (1.5 L Engine)
  • Heated Steering Wheel Component Location Index
  • Rear Window Defogger Component Location Index
• Symptom Troubleshooting
  • Climate Control System Symptom Troubleshooting - The A/C compressor clutch does not engage, but the A/C condenser/radiator fans operate, and the blower and heater controls work (2017 2018 2019)
  • Climate Control System Symptom Troubleshooting - The A/C compressor clutch does not engage, but the A/C condenser/radiator fans operate, and the blower and heater controls work (2020 2021)
  • Climate Control System Symptom Troubleshooting - The A/C condenser/radiator fans do not run at high speed, but do run at low speed
  • Climate Control System Symptom Troubleshooting - The A/C condenser/radiator fans do not run at low speed with the A/C on, but the blower and heater controls work normally
  • Climate Control System Symptom Troubleshooting - The blower and the heater controls and the A/C system do not work (2017 2018 2019)
  • Climate Control System Symptom Troubleshooting - The blower and the heater controls and the A/C system do not work (2020 2021)
• Symptom Troubleshooting Index
  • Climate Control System Symptom Troubleshooting Index (2017 2018 2019)
  • Climate Control System Symptom Troubleshooting Index (2020 2021)
• How to Information
  • How to Troubleshoot the Climate Control System (Climate Control Panel with Display)
    • How to Check for DTCs with the HDS
    • How to Use the Self-Diagnostic Function with the HDS
    • How to Use the Self-Diagnostic Function without the HDS
    • Checking for DTCs
    • How to Check for History DTCs
    • How to Clear the History DTCs
    • Displaying Sensor Inputs at the Climate Control Unit
    • Checks Before Using the Sensor Input Display Mode
    • Run the Sensor Input Display Mode
  • How to Troubleshoot the Climate Control System(Climate Control Panel without Display)
    • How to Check for DTCs with the HDS
    • How to Use the Self-Diagnostic Function with the HDS
    • How to Use the Self-Diagnostic Function without the HDS
    • Checking for DTCs
    • How to Check for History DTCs
    • How to Clear the History DTCs
    • Displaying Sensor Inputs at the Climate Control Unit
    • Checks Before Using the Sensor Input Display Mode
    • Run the Sensor Input Display Mode
• Removal & Installation Inspection
  • Drive Belt Auto-Tensioner Removal, Installation, and Inspection (1.5 L Engine)
    • Removal and Installation
      • 1
      • 2
    • Inspection
• Symptom Troubleshooting Index for Viewer
  • A/C information does not display on the center display unit, but the blower, heater and A/C system controls work (climate control panel without display) (2017 2018 2019)
  • A/C information does not display on the center display unit, but the blower, heater and A/C system controls work (climate control panel without display) (2020 2021)
  • Blower fan runs slower than expected in cold weather (when in AUTO mode) NOTE: It is normal for the blower fan to run slowly until the coolant temperature rises when in AUTO mode (2017 2018 2019)
  • Blower fan runs slower than expected in cold weather (when in AUTO mode) NOTE: It is normal for the blower fan to run slowly until the coolant temperature rises when in AUTO mode (2020 2021)
  • Driver's and passenger's side vent temperatures vary by more than 11°C (20°F) (2017 2018 2019)
  • Driver's and passenger's side vent temperatures vary by more than 11°C (20°F) (2020 2021)
  • HDS does not communicate with the climate control unit or the vehicle (2017 2018 2019)
  • HDS does not communicate with the climate control unit or the vehicle (2020 2021)
  • Insufficient heating (2017 2018 2019)
  • Insufficient heating (2020 2021)
  • The A/C compressor clutch and the cooling fan are inoperative, but the blower and heater controls work (2017 2018 2019)
  • The A/C compressor clutch and the cooling fan are inoperative, but the blower and heater controls work (2020 2021)
  • The A/C compressor clutch cycles rapidly on and off*6 (2017 2018 2019)
  • The A/C compressor clutch does not disengage when the A/C switch is off (2017 2018 2019)
  • The A/C compressor clutch does not disengage when the A/C switch is off (2020 2021)
  • The A/C compressor clutch does not engage, but the cooling fan operate, and the blower and heater controls work (2017 2018 2019)
  • The A/C compressor clutch does not engage, but the cooling fan operate, and the blower and heater controls work (2020 2021)
  • The A/C compressor relief valve has vented refrigerant NOTE: This indicates the A/C system high side pressure was high (2017 2018 2019)
  • The A/C compressor relief valve has vented refrigerantNOTE: This indicates the A/C system high side pressure was high (2020 2021)
  • The blower and the heater controls and the A/C system do not work (2017 2018 2019)
  • The blower and the heater controls and the A/C system do not work (2020 2021)