PR25DD engine
- CHECK DTC PRIORITY
If DTC P1217 is displayed with DTC UXXXX or P0607, first perform the trouble diagnosis for DTC UXXXX or P0607.
Is applicable DTC detected?
YES
Perform diagnosis of applicable. Refer to DTC Index .
NO
GO TO 2.
- CHECK COOLING FAN OPERATION
With CONSULT
- Turn ignition switch ON.
- Perform "FAN DUTY CONTROL" in "ACTIVE TEST" mode of "ENGINE" using CONSULT.
- Check that cooling fan speed varies according to the percentage.
Without CONSULT
- Activate IPDM E/R auto active test and check cooling fan motors operation. Refer to Diagnosis Description .
- Check that cooling fan operates.
Is the inspection result normal?
YES
GO TO 3.
NO
Refer to Diagnosis Procedure .
- CHECK COOLING SYSTEM FOR LEAK-1
Check cooling system for leak. Refer to Inspection .
Is leakage detected?
YES
GO TO 4.
NO
GO TO 5.
- CHECK COOLING SYSTEM FOR LEAK-2
Check the following for leak.
- Hose (Refer to Inspection .)
- Radiator (Refer to Inspection .)
- Water pump (Refer to Removal and Installation .)
Repair or replace malfunctioning part.
- CHECK RADIATOR CAP
Check radiator cap. Refer to Inspection .
Is the inspection result normal?
YES
GO TO 6.
NO
Replace radiator cap. Refer to Inspection .
- CHECK THERMOSTAT
Check thermostat. Refer to Removal and Installation .
Is the inspection result normal?
YES
GO TO 7.
NO
Replace thermostat. Refer to Removal and Installation .
- CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 8.
NO
Replace engine coolant temperature sensor. Refer to Exploded View .
- OVERHEATING CAUSE ANALYSIS
If the cause cannot be isolated, Refer to Symptom Table .
INSPECTION END