Reverse Signal Check for Display Control Unit

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REVERSE LAMP
1. Turn ignition switch ON.
2. 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 .

CHECK REVERSE SIGNAL

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

DISPLAY CONTROL UNIT REVERSE SIGNAL CHECK CHART

Terminals			Selector lever position
		(+)			(-)
Connector	Terminal (Wire color)	R-position	Selector lever position	Other than R-position	(-)
M42	6 (G/W)	Ground	Battery voltage	Approx. 0V

OK or NG

OK : Replace display control unit.
NG : Check harness for open or short between display control unit and back-up lump position relay.

Fig 1: Checking Voltage Between Display Control Unit Connector Terminals And Ground

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