4. Check Back Door Closure Control Unit Output Signal

1. Connect back door closure control unit connector.
2. Check voltage between back door closure control unit connector D106 terminal 9 and ground.
   Fig 1: Checking Voltage Between Back Door Closure Control Unit Connector D106 Terminal 9 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
   1. Back door is closed 
   2. 9 (P) - Ground : Battery voltage 

OK or NG

OK : Replace back door lock assembly.

NG : Replace back door closure control unit.