Reverse Signal Check for Display Control Unit

CHECK REVERSE LAMP
1. Turn ignition switch ON.
2. Selector lever into R-position.
Does "R" in the shift position indicator come on?
1. Yes: GO TO 2.
2. NO: Check back-up lamp system. Refer to BACK-UP LAMP .
CHECK REVERSE SIGNAL
1. With the selector lever in R-position, check voltage between display control unit and ground.
  
  Fig 1: Terminals Voltage Condition Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Voltage Between Display Control Unit And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace display control unit.
2. NG: Check harness for open or short between display control unit and back-up lamp relay.