Monitor GDS Data

Allow the engine to cool completely.
Run the cold engine at idle for 5 minutes and observe cooling fan status.
NOTE: Ensure that the A/C is OFF.
Check the engine coolant temperature parameter at idle with the GDS.
Is the engine coolant temperature increase to above 50°C (122°F)
YES
- Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.
NO
- Go to next step as below.
Are the cooling fans running when engine coolant temperature is low (less than approximately 98°C (208°F)) with A/C OFF?
YES
- Check for short circuit in cooling fan harness or cooling fan relay. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- - With ignition "ON", Install GDS and select "COOLING FAN RELAY" on the Actuation Test mode.
  - Activates "COOLING FAN RELAY" by click "Start" button.
  - Repeat this procedure 4 or 5 times to ensure cooling fan reliability.
  - If cooling fan works properly, go to next step as below.
  - If NG, check for intermittent fault caused by poor contact in the sensor's and/or PCM/ECM's connector. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.