Monitor GDS Data
- Allow the engine to cool.
- Run the cold engine at idle for 5 minutes.
- 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 next step as below.
NO
- Check ECTS for contamination, deterioration, poor connection or damaged harness. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.