Procedure A

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector E6.
3. Check voltage between IPDM E/R terminals 15, 16 and ground with CONSULT-II or tester.

   Voltage: Battery voltage 

OK or NG 

OK: GO TO  3.

NG: GO TO 2.

Fig 1: Checking Voltage Between IPDM E/R Terminals 15, 16 And Ground

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

Check the following.

• 40A fusible links
• Harness for open or short between IPDM E/R and battery

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

1. Disconnect cooling fan motor-1 and cooling fan motor-2 harness connector.
2. Disconnect IPDM E/R harness connectors E5, E8 and E9.
3. Check harness continuity between the following terminals, cooling fan motor-1 terminal 1 and IPDM E/R terminal 13, cooling fan motor-1 terminal 4 and ground, cooling fan motor-2 terminal 1 and IPDM E/R terminal 8, cooling fan motor-2 terminal 4 and ground, IPDM E/R terminal 60 and ground, IPDM E/R terminal 38 and ground. Refer to WIRING DIAGRAM .

   Continuity should exist. 

   Fig 2: Identifying Cooling Fan Motor - 2 Harness Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO 4.

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 5.

NG: Replace cooling fan motors.

Perform "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

OK or NG 

OK: Replace IP DM E/R. Refer to "IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) ".

NG: Repair or replace harness or connector.