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.

Fig 1: Connector Terminal Reference Chart

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

Fig 2: Checking Voltage Between Intelligent Key Unit Connector And Ground

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

OK or NG 

1. OK : GO TO 2.
2. NG : Repair or replace Intelligent Key power supply circuit.

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

1. 12 (B) - Ground : Continuity should exist. 

OK or NG 

1. OK : Power supply and ground circuits are normal.
2. NG : Repair or replace the Intelligent Key unit ground circuit.

Fig 3: Checking Continuity Between Intelligent Key Unit Connector M34 Terminal 12 (B) And Ground

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