Procedure A

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

OK or NG

1. OK: GO TO  3 .
2. NG: GO TO 2.

Fig 1: Checking Voltage Between IPDM E/R Terminal 16 And Ground

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

Check the following.

• 40A fusible link
• Harness for open or short between IPDM E/R and battery
  1. : Repair open circuit or short to ground or short to power in harness or connectors.

1. Disconnect IPDM E/R harness connector E5.
2. Disconnect cooling fan motor harness connector.
3. Check harness continuity between cooling fan motor terminal 2 and IPDM E/R terminal 8.

   Refer to WIRING DIAGRAM  .

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

OK or NG

1. OK: GO TO 4.
2. NG: Repair open circuit or short to ground or short to power in harness or connectors.

Fig 2: Disconnecting Cooling Fan Motor Harness Connector

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

1. Check harness continuity between the following;

   Cooling fan motor terminal 3 and ground,

   Cooling fan motor terminal 4 and ground.

   Refer to WIRING DIAGRAM  .

   1. Continuity should exist. 
2. Also check harness for short to power.

OK or NG

1. OK: GO TO 5.
2. NG: Repair open circuit or short to power in harness or connectors.

Refer to "COMPONENT INSPECTION  ".

OK or NG

1. OK: GO TO 6.
2. NG: Replace cooling fan motor.

Perform "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT  ".

OK or NG

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