3. Check EVAP Control System Pressure Sensor Power Supply Circuit

1. Turn ignition switch ON.
2. Check voltage between EVAP control system pressure sensor terminal 1 and ground with CONSULT-II or tester.
   Fig 1: Checking Voltage Between EVAP Control System Pressure Sensor Terminal 1 & Ground

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

   Voltage: Approximately 5V 

OK or NG 

1. OK: GO TO 5. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT .
2. NG: GO TO 4.