1. Check Synchro Signal Open Or Short Circuit

1. Disconnect rear view camera control unit connector and display connector.
2. Check the following:
   • Continuity between rear view camera control unit harness connector B236 terminal 22 (PU) and display harness connector M82 terminal 10 (PU)
     Fig 1: Checking Synchro Signal Circuit For Open Or Short

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

     Continuity should exist. 

   • Continuity between display harness connector M82 terminal 10 (PU) and ground

     Continuity should not exist. 

OK or NG

1. OK: GO TO 2  .
2. NG: Repair harness or connector.