Procedure B

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connectors E5, E6, E8 and E9.
3. Disconnect cooling fan motor-1 and cooling fan motor-2 harness n connector.
4. Check harness continuity between the following terminals.

   cooling fan motor-1 terminal 2 and IPDM E/R terminal 10,

   cooling fan motor-1 terminal 3 and IPDM E/R terminal 12,

   cooling fan motor-2 terminal 2 and IPDM E/R terminal 11,

   cooling fan motor-2 terminal 3 and IPDM E/R terminal 9,

   IPDM E/R terminal 14 and ground,

   IPDM E/R terminal 38 and ground,

   IPDM E/R terminal 60 and ground.

   Refer to WIRING DIAGRAM .

   Continuity should exist. 

   Fig 1: Identifying Cooling Fan Motor - 2 Harness Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
5. 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.

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.