Diagnosis Procedure
DIAGNOSIS PROCEDURE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | CHECK COOLING FAN (CRANKSHAFT DRIVEN) OPERATION
OK or NG |
GO TO 2. | Check cooling fan (crankshaft driven). Refer to [COOLING FAN: EXPLODED VIEW ] |
| 2 | CHECK COOLING SYSTEM FOR LEAK Refer to [ENGINE COOLANT: SYSTEM INSPECTION ] OK or NG |
GO TO 3. | Check the following for leak. |
|
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| 3 | CHECK RADIATOR CAP Refer to [RADIATOR: EXPLODED VIEW ] OK or NG |
GO TO 4. | Replace radiator cap. |
| 4 | CHECK THERMOSTAT Refer to [THERMOSTAT AND THERMOSTAT HOUSING: EXPLODED VIEW ] OK or NG |
GO TO 5. | Replace thermostat. |
| 5 | CHECK ENGINE COOLANT TEMPERATURE SENSOR Refer to [P0117, P0118 ECT SENSOR ]. OK or NG |
GO TO 6. | Replace engine coolant temperature sensor. |
| 6 | CHECK MAIN 12 CAUSES If the cause cannot be isolated, go to [P1217 ENGINE OVER TEMPERATURE ]. |
INSPECTION END |