1. Check Open Switch Signal

1. Turn ignition switch OFF.
2. Check the signal between back door closure control unit connector and ground with oscilloscope.
   Fig 1: Checking Signal Back Door Closure Control Unit Connector And Ground With Oscilloscope

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 2: Identifying Testing Specifications For Step 2

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

OK or NG

OK : Open switch is OK.

NG : GO TO 2.