Check Intelligent Key Unit Power Supply and Ground Circuit

1. Turn ignition knob OFF position.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit connector and ground.
   VOLTAGE SPECIFICATIONS
   
   

   Connector	Terminal (Wire color)	Ignition knob position
   M34	(+)	(-)	OFF	ACC	ON
   	6 (W)	Ground	0V	0V	Battery voltage
   	10 (LG)		0V	Battery voltage	Battery voltage
   	11 (L/R)		Battery voltage	Battery voltage	Battery voltage

   Fig 1: Identifying Voltage Between Intelligent Key Unit Connector And Ground

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

OK or NG 

OK : GO TO 2.

NG : Repair or replace Intelligent Key power supply circuit.

Check continuity between Intelligent Key unit connector M34 terminal 12 (B) and ground.

12 (B) - Ground : Continuity should exist. 

OK or NG 

OK : Power supply and ground circuits are normal.

NG : Repair or replace the Intelligent Key unit ground circuit.

Fig 2: Identifying Continuity Between Intelligent Key Unit Connector M34 Terminal 12 (B) And Ground

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