Diagnosis Procedure

WITH CONSULT

1. Turn ignition switch ON.
2. Perform "FAN DUTY CONTROL" in "ACTIVE TEST" mode with CONSULT.
3. Check that cooling fan speed varies according to the percentage.

WITHOUT CONSULT

1. Perform IPDM E/R auto active test and check cooling fan motors operation, refer to "DIAGNOSIS DESCRIPTION ".
2. Check that cooling fan operates.

   Is the inspection result normal? 

   YES: GO TO 2.

   NO: Proceed to "DIAGNOSIS PROCEDURE ".

Check cooling system for leakage. Refer to "INSPECTION ".

Is leakage detected? 

YES: GO TO 3.

NO: GO TO  4.

Check the following for leakage.

• Hose
• Radiator
• Water pump

  : Repair or replace malfunctioning part.

Check radiator cap. Refer to "RADIATOR CAP: INSPECTION ".

Is the inspection result normal? 

YES: GO TO 5.

NO: Replace radiator cap. Refer to "EXPLODED VIEW ".

Check thermostat. Refer to "INSPECTION ".

Is the inspection result normal? 

YES: GO TO 6.

NO: Replace thermostat. Refer to "EXPLODED VIEW ".

Refer to "COMPONENT INSPECTION (ENGINE COOLANT TEMPERATURE SENSOR) ".

Is the inspection result normal? 

YES: GO TO 7.

NO: Replace engine coolant temperature sensor. Refer to "EXPLODED VIEW ".

If the cause cannot be isolated, check the "TROUBLESHOOTING CHART ".

: INSPECTION END