Diagnosis Procedure

1. Turn ignition switch OFF.
2. Check ground connection E21. Refer to Ground Inspection in "CIRCUIT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 2.

NO: Repair or replace ground connection.

1. Disconnect cooling fan motor harness connector.
2. Check the continuity between IPDM E/R harness connector and cooling fan motor harness connector.
   TERMINAL CONTINUITY REFERENCE CHART
   
   

   IPDM E/R		Cooling fan motor		Continuity
   Connector	Terminal	Connector	Terminal
   E10	5	E62	1	Existed
   	7		2
   E11	10		3

3. Check the continuity between cooling fan motor harness connector and ground.
   TERMINAL CONTINUITY REFERENCE CHART
   
   

   Cooling fan motor		Ground	Continuity
   Connector	Terminal
   E62	4	Ground	Existed

4. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO  4.

NG: GO TO 3.

Check the following.

• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground

Repair open circuit or short to ground or short to power in harness or connectors.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 5.

NG: Replace cooling fan motor.

Perform "INTERMITTENT INCIDENT ".

OK or NG 

OK: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION "(WITH I-Key) or "REMOVAL AND INSTALLATION "(WITHOUT I-Key).

NG: Repair or replace harness or connector.