Reverse Signal Check

1. Turn ignition switch ON.
2. A/T shift selector lever into R-position. Does "R" in the shift position indicator come on?

YES or NO 

1. YES >> GO TO 2.
2. NO >> Check back-up lump system. Refer to "BACK-UP LAMP ".

With the selector lever in R-position, Check voltage between AV and NAVI control unit and ground.

Fig 1: Electrical Testing Specifications (Reverse Signal)

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

Fig 2: Harness Check (Reverse Signal)

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

OK or NG 

1. OK >> Replace AV and NAVI control unit.
2. NG >> Check harness for open or short between AV and NAVI control unit and back-up lump position relay.