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P0125 ECT SENSOR EC-131 < COMPONENT DIAGNOSIS > [QR25DE] C D E F G H I J K L M A EC N P O If it is below 10 ° C (50 ° F), go to following step. 4. Start engine and run it for 65 minutes at idle speed. ° C (50 ° F) within 65 minutes, stop engine because the test result will be OK. 5. Check 1st trip DTC. 6. If 1st trip DTC is detected, go to WITH GST Follow the procedure WITH CONSULT-III above. Diagnosis Procedure INFOID:0000000005273115 1. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten two ground screws on the body. Refer to OK or NG OK >> GO TO 2. NG >> Repair or replace ground connections. 2. CHECK ENGINE COOLANT TEMPERATURE SENSOR EC-131, "Component Inspection" OK or NG OK >> GO TO 3. NG >> Replace engine coolant temperature sensor. 3. CHECK THERMOSTAT OPERATION When the engine is cold [lower than 70 ° C (158 ° F)] condition, grasp lower radiator hose and confirm the engine coolant does not flow. OK or NG OK >> GO TO 4. NG >> Repair or replace thermostat. Refer to CO-22, "Removal and Installation Thermostat" . 4. CHECK INTERMITTENT INCIDENT GI-46, "Intermittent Incident" . >> INSPECTION END Component Inspection INFOID:0000000005273116 ENGINE COOLANT TEMPERATURE SENSOR BBIA0614E |