Reverse Signal Check for Display Control Unit

WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REVERSE LAMP
1. Turn ignition switch ON.
2. Place selector lever into R-position. Do back-up lamps come on?
YES or NO
1. YES : GO TO 2.
2. NO : Check back-up lamp 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 TERMINALS VOLTAGE

Terminals			Selector lever position
(+)		(-)
Connector	Terminal (Wire color)		R-position	Other than R-position
M94	6 (GR)	Ground	Battery voltage	Approx. 0V

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

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

OK or NG

OK : Replace display control unit. Refer to , "REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT ".
NG : Check harness for open or short between display control unit and back-up lamp position relay.