HVAC System - Testing & Troubleshooting
- Description
- Testing
- Overhaul
- Inspection
- General Information
- How to Information
- Circuit Diagram
- Symptom Troubleshooting
- Blower fan runs slower than expected in cold weather (when in AUTO mode) (Climate Control)
- Climate Control System Symptom Troubleshooting Index(Climate Control)
- Driver's and passenger's side vent temperatures vary by more than 11°C (20°F) (Climate Control)
- HDS does not communicate with the climate control unit or the vehicle(Climate Control)
- Heating and A/C Systems Symptom Troubleshooting Index(Heating/Air Conditioning)
- Insufficient heating (with heater) (Heating/Air Conditioning)
- Insufficient heating(Climate Control)
- The A/C compressor clutch and the A/C condenser/radiator fans are inoperative, but the blower and heater controls work(Climate Control)
- The A/C compressor clutch and the A/C condenser/radiator fans are inoperative, but the blower and heater controls work(Heating/Air Conditioning)
- The A/C compressor clutch cycles rapidly on and off(Climate Control)
- The A/C compressor clutch cycles rapidly on and off(Heating/Air Conditioning)
- The A/C compressor clutch does not engage, but the A/C condenser/radiator fans operate, and the blower and heater controls work(Climate Control)
- The A/C compressor clutch does not engage, but the A/C condenser/radiator fans operate, and the blower and heater controls work(Heating/Air Conditioning)
- The A/C condenser/radiator fans do not run at high speed, but do run at low speed with the A/C on(Climate Control)
- The A/C condenser/radiator fans do not run at high speed, but do run at low speed with the A/C on(Heating/Air Conditioning)
- 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)
- 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(Heating/Air Conditioning)
- The blower and the heater controls and the A/C system do not work(Climate Control)
- The blower and the heater controls and the A/C system do not work(Heating/Air Conditioning)
- Component Location Index
- Check
- DTC Troubleshooting Index
- Troubleshooting