Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect cooling fan module harness connector.
3. Turn ignition switch ON.
4. Check the voltage between cooling fan module harness connector and ground.

   Cooling fan module		Ground	Voltage
   Connector	Terminal
   F67	2	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 2.

NO

GO TO 7.

1. Check the voltage between cooling fan module harness connector and ground.

   Cooling fan module		Ground	Voltage
   Connector	Terminal
   F63	6	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

NO

GO TO 8.

1. Turn ignition switch OFF.
2. Check the continuity between cooling fan module harness connector and ground.

   Cooling fan module		Ground	Continuity
   Connector	Terminal
   F67	1	Ground	Existed

3. Also check harness for short to power.

Is the inspection result normal?

YES

GO TO 4.

NO

Repair or replace error-detected parts.

1. Disconnect IPDM E/R harness connector.
2. Check the continuity between IPDM E/R harness connector and cooling fan module harness connector.

   IPDM E/R		Cooling fan module		Continuity
   Connector	Terminal	Connector	Terminal
   F98	106	F67	4	Existed
   	107		3

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

Is the inspection result normal?

YES

GO TO 5.

NO

Repair or replace error-detected parts.

1. Reconnect all harness connectors disconnected.
2. Disconnect cooling fan module harness connectors.
3. Turn ignition switch ON.
4. Check the voltage between cooling fan module harness connector and ground.

   Cooling fan module		Ground	Voltage
   Connector	Terminal
   F63	5	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 6.

NO

Replace cooling fan module.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 9.

NO

Replace cooling fan motor. Refer to Exploded View .

1. Disconnect 10 A fuse (No. 73) from fuse and fusible link holder.
2. Check 10 A fuse for blown.

Is the fuse blown (open)?

YES

Replace the fuse. [Check the power supply if fuse is blown (open) again.]

NO

Perform the trouble diagnosis for power supply circuit.

1. Disconnect 50 A fuse (No. N) from fuse and fusible link holder.
2. Check 50 A fuse for blown.

Is the fuse blown (open)?

YES

Replace the fuse. [Check the power supply if fuse is blown (open) again.]

NO

Perform the trouble diagnosis for power supply circuit.

Perform Intermittent Incident .

Is the inspection result normal?

YES

Replace IPDM E/R. Refer to Removal and Installation .

NO

Repair or replace error-detected parts.