Climate Control System Description
Climate Control Component Location Index
Climate Control Circuit Diagram
Recirculation control doors do not change between Fresh and Recirculate
Blower, heater controls, and A/C do not work
Both fans do not run with the A/C on (but the A/C compressor runs with the A/C on)
A/C condenser fan does not run at all (but radiator fan runs with the A/C on)
A/C compressor clutch does not engage (but both fans run with the A/C on)
A/C system does not come on (both fans and the A/C compressor do not work); heater is OK
Blower fan runs slower than expected in cold weather
HDS does not communicate with the climate control unit or the vehicle
Climate Control Power and Ground Circuit Troubleshooting
Climate Control Symptom Troubleshooting Index
Climate Control Unit Bulb Replacement
Humidity/In-car Temperature Sensor Replacement
Outside Air Temperature Sensor Replacement
Sunlight Sensor Replacement
Climate Control Unit Removal/Installation
Humidity/In-car Temperature Sensor Test
Outside Air Temperature Sensor Test
Sunlight Sensor Test