## Climate Control Symptom Troubleshooting

Symptom | Diagnostic procedure | Also check for
--- | --- | ---
Recirculation control doors do not change between Fresh and Recirculate | Recirculation Control Motor Circuit Troubleshooting | HVAC DTCs Blown fuse No. 10 (7.5A) in the under-dash fuse/relay box Cleanliness and tightness of all connectors
The blower motor does not run immediately even though the engine is fully warmed up NOTE: The temperature control button must be set between 18°C (64°F) and 32°C (90°F) | ECT Sensor Circuit Troubleshooting | Power train DTCs Cleanliness and tightness of all connectors
Blower, heater controls, and A/C do not work | Climate Control Power and Ground Circuit Troubleshooting | HVAC DTCs Blown fuse No. 10 (7.5A) in the under-dash fuse/relay box Poor ground at G402 Cleanliness and tightness of all connectors
Condenser fan does not run at all (but radiator fan runs compressor operates with the A/C on) | Condenser Fan Circuit Troubleshooting | HVAC DTCs Blown fuse No. 11 (30A) in the under-hood fuse/relay box, and No. 10 (7.5A) in the under-dash fuse/relay box Poor ground at G301 Cleanliness and tightness of all connectors
Both fans do not run with the A/C on (but compressor operates with the A/C on) | Radiator and Condenser Fans Common Circuit Troubleshooting | HVAC DTCs Blown fuse No. 10 (30A) and No. 11 (30A) in the under-hood fuse/relay box, and No. 10 (7.5A) in the under-dash fuse/relay box Poor ground at G301 Cleanliness and tightness of all connectors
Compressor clutch does not engage (but both fans run with the A/C on) | Compressor Clutch Circuit Troubleshooting | HVAC DTCs Blown fuse No. 11 (30A) in the under-hood fuse/relay box, and No. 10 (7.5A) in the under-dash fuse/relay box Cleanliness and tightness of all connectors
A/C System does not come on (both fans and compressor do not work); heater is OK | A/C Pressure Switch Circuit Troubleshooting | HVAC DTCs Cleanliness and tightness of all connectors