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DTC Diagnosis Procedure
1.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?
Perform diagnosis of applicable. Refer to DTC Index.
.
 
2.CHECK COOLING FAN OPERATION
With M.U.T.-III SE
  1. Turn ignition switch ON.
  2. Perform "FAN DUTY CONTROL" in "Actuator Test" (in "Special Function") mode of "ENGINE" using M.U.T.-III SE.
  3. Check that cooling fan speed varies according to the percentage.
 
Without M.U.T.-III SE
  1. Activate IPDM E/R auto active test and check cooling fan motors operation. Refer to M.U.T.-III SE Function (IPDM E/R)CONSULT Function (IPDM E/R).
  2. Check that cooling fan operates.
 
Is the inspection result normal?
.
Refer to Diagnosis ProcedureDiagnosis Procedure (Cooling Fan Motor).
 
3.CHECK COOLING SYSTEM FOR LEAK-1
Check cooling system for leak. Refer to Inspection.
Is leakage detected?
.
.
 
4.CHECK COOLING SYSTEM FOR LEAK-2
Check the following for leak.
: Repair or replace malfunctioning part.
 
5.CHECK RADIATOR CAP
Check radiator cap. Refer to Inspection.
Is the inspection result normal?
.
Replace radiator cap. Refer to InspectionInspection.
 
6.CHECK THERMOSTAT
Check thermostat. Refer to Removal and Installation.
Is the inspection result normal?
.
Replace thermostat. Refer to Removal and Installation.
 
7.CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer to Component Inspection.
Is the inspection result normal?
.
Replace engine coolant temperature sensor. Refer to Exploded View.
 
8.OVERHEATING CAUSE ANALYSIS
If the cause cannot be isolated, Refer to Troubleshooting Chart.
: INSPECTION END