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ECK-356 < DTC/CIRCUIT DIAGNOSIS > [K9K] P1675 ENGINE COOLANT TEMPERATURE Confirm whether customer filled the coolant or not. Did customer fill the coolant? YES >> Proceed to ECK-357, "Diagnosis Procedure" NO >> GO TO 3. 3. PERFORM COMPONENT FUNCTION CHECK-3 1. Start engine and let it idle. 2. Turn air conditioner switch and blower fan switch ON. 3. Make sure that cooling fan operates at low speed. Is the inspection result normal? YES >> GO TO 4. NO >> Proceed to ECK-357, "Diagnosis Procedure" 4. PERFORM COMPONENT FUNCTION CHECK-4 1. Turn ignition switch OFF. 2. Turn air conditioner switch and blower fan switch OFF. 3. Disconnect engine coolant temperature sensor harness connector. 4. Connect 150 Ω resistor to engine coolant temperature sensor harness connector. 5. Restart engine and make sure that cooling fan operates at higher speed than low speed. Is the inspection result normal? YES >> INSPECTION END NO >> Proceed to ECK-357, "Diagnosis Procedure" Diagnosis Procedure INFOID:0000000010516086 1. CHECK COOLING FAN OPERATION Check cooling fan operation. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace malfunctioning part. 2. CHECK COOLING SYSTEM FOR LEAK-1 Check cooling system for leak. Is leakage detected? YES >> GO TO 3. NO >> GO TO 4. 3. CHECK COOLING SYSTEM FOR LEAK-2 Check the following for leak. >> Repair or replace malfunctioning part. 4. CHECK RADIATOR CAP Check radiator cap. Is the inspection result normal? YES >> GO TO 5. NO >> Replace radiator cap. 5. CHECK THERMOSTAT Check thermostat. YES >> GO TO 6. |