DTC Diagnosis Procedure

Check the engine coolant temperature sensor. Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 2.

NO

Replace engine coolant temperature sensor. Refer to Exploded View .

When the engine is cold [lower than 70°C (158°F)] condition, grasp lower radiator hose and confirm the engine coolant does not flow.

Is the inspection result normal?

YES

Check intermittent incident. Refer to Inspection .

NO

Repair or replace thermostat. Refer to Exploded View .