4. Check Intelligent Key Unit Output Signal

1. Connect Intelligent Key unit connector.
2. Driver side door lock is locked.
3. Check voltage between Intelligent Key unit connector M34 terminal 28 (W/B) and ground.
   1. 28 (W/B) - Ground : Approx. 5V 

Fig 1: Checking Voltage Between Intelligent Key Unit Connector M34 Terminal 28 And Ground

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

OK or NG

OK : Replace front door lock assembly (driver side).

NG : Replace Intelligent Key unit.