1. Check EGR Temperature Sensor Power Supply Circuit

1. Turn ignition switch OFF.
2. Disconnect EGR temperature sensor harness connector.
3. Turn ignition switch ON.
   Fig 1: Disconnect EGR Temperature Sensor Harness Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check voltage between EGR temperature sensor terminal 1 and ground with CONSULT-II or tester.
   1. Voltage: Approximately 5V 

OK or NG 

1. OK: GO TO 2.
2. NG: Repair or replace harness or connectors.

Fig 2: Checking Voltage

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