Procedure A

WARNING: This page is about a different variant/trim than selected.

CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector E123.
3. Check voltage between IPDM E/R terminals 15, 16 and ground with CONSULT-II or tester.
  Voltage: Battery voltage
OK or NG
1. OK : GO TO 3.
2. NG : GO TO 2.
  
  Fig 1: Checking Voltage Between Terminals 15, 16 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
DETECT MALFUNCTIONING PART
Check the following.
- 40A fusible links
- 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.
CHECK COOLING FAN MOTORS CIRCUIT
1. Disconnect cooling fan motor-1 harness connector and cooling fan motor-2 harness connector.
  
  Fig 2: Disconnecting Cooling Fan Motor Harness Connector
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Disconnect IPDM E/R harness connector E118.
3. Check harness continuity between cooling fan motor-1 terminal 1 and IPDM E/R terminal 8, cooling fan motor-1 terminal 4 and ground.
  Refer to wiring diagram .
  
  Continuity should exist.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between cooling fan motor-2 terminal 1 and IPDM E/R terminal 13, cooling fan motor-2 terminal 4 and ground.
  Refer to wiring diagram .
  
  Continuity should exist.
6. 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.
CHECK COOLING FAN MOTORS
Refer to "COOLING FAN MOTORS -1 AND -2 ".

OK or NG
1. OK : GO TO 5.
2. NG : Replace cooling fan motors.
CHECK INTERMITTENT INCIDENT
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 or connector.