Procedure B

1. Turn ignition switch OFF.
2. Disconnect cooling fan motor-1 and cooling fan motor-2 harness connector.
3. Check harness continuity between the following terminals.

   Cooling fan motor-1 terminal 2 and IPDM E/R terminal 13, cooling fan motor-1 terminal 3 and IPDM E/R terminal 12, cooling fan motor-2 terminal 2 and IPDM E/R terminal 8, cooling fan motor-2 terminal 3 and IPDM E/R terminal 9, IPDM E/R terminal 14 and ground, IPDM E/R terminal 60 and ground. Refer to WIRING DIAGRAM .

   • Continuity should exist. 
4. Also check harness for short to ground and short to power.

OK or NG 

• OK: GO TO  2.
• NG: Repair open circuit or short to ground or short to power in harness or connectors.

Fig 1: Disconnecting Cooling Fan Motor-1 & Cooling Fan Motor-2 Harness Connector

Courtesy of NISSAN MOTOR CO., U.S.A.

Refer to COMPONENT INSPECTION .

OK or NG 

• OK: GO TO  3.
• NG: Replace cooling fan motors.

Perform TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

OK or NG 

• OK: Replace IPDM E/R. Refer to IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) .
• NG: Repair or replace harness connectors.