Diagnostic Procedure

1. Turn ignition switch OFF.
2. Remove engine coolant temperature sensor.
3. Check resistance between engine coolant temperature sensor terminals under the following conditions.
   Fig 1: Checking Resistance Between Engine Coolant Temperature Sensor Terminals

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

OK or NG 

1. OK INSPECTION END 
2. NG Replace engine coolant temperature sensor.