BOTH THE RADIATOR FAN AND THE A/C CONDENSER FAN DO NOT RUN AT LOW SPEED
Diagnostic Procedure
1. Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting
Also check for
Check the connectors are properly connected and the terminals are making good contact
COOLING FAN CONTROLS SYMPTOM TROUBLESHOOTING INDEX
ENGINE OVERHEATS
Diagnostic Procedure
1. Coolant Check
2. Check for any engine coolant leakage (from gaskets, hoses, O-rings, etc.).
3. Check for dirt, leaves, or insects on the radiator and the A/C condenser.
4. Check for deteriorated coolant.
5. Check for a damaged or deformed fan shrouds.
6. Check the fan motors are operating properly (air should be blowing toward the engine).
7. Radiator and A/C Condenser Fan Motor Test
8. Radiator Cap Test
9. Thermostat Removal, Installation, And Test
10. Water Pump Inspection
11. Check for plugged or deteriorated radiator hoses.
12. Check for a plugged heater core or hoses.
13. Check for a damaged cylinder head gasket.
Also check for
Check the radiator and A/C condenser fans are operating properly
THE A/C CONDENSER FAN DOES NOT RUN AT HIGH SPEED
Diagnostic Procedure
The A/C condenser fan does not run at high speed
Also check for
Check the connectors are properly connected and the terminals are making good contact
THE RADIATOR FAN DOES NOT RUN AT HIGH SPEED
Diagnostic Procedure
Radiator Fan High Speed Circuit Troubleshooting
Also check for
Check the connectors are properly connected and the terminals are making good contact
CIRCUIT DIAGRAM
COOLING FAN CONTROLS CIRCUIT DIAGRAM
Without Keyless Access System
With Keyless Access System