2. Check Radiator Coolant Temperature Sensor Power Supply Circuit

1. Disconnect radiator coolant temperature sensor harness connector.
2. Turn ignition switch ON.
   Fig 1: Identifying Radiator Coolant Temperature Sensor Harness Connector

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check voltage between radiator coolant temperature sensor terminal 1 and ground with CONSULT-II or tester.
   Fig 2: Checking Voltage Between Radiator Coolant Temperature Sensor Terminal 1 & Ground

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

   Voltage: Approximately 5V 

OK or NG 

1. OK: GO TO 4. CHECK RADIATOR COOLANT TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT .
2. NG: GO TO 3.