Reverse Signal Check for Display Control Unit

WARNING: This page is about a different car, the 2005 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
- YES: GO TO 2.
- NO: Check back-up lamp system. Refer to "BACK-UP LAMP ".

CHECK REVERSE SIGNAL

Disconnect display control unit connector M94.
Turn ignition switch ON.

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

Fig 1: Checking Voltage Between NAVI Control Unit And Ground

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

VOLTAGE BETWEEN NAVI CONTROL UNIT AND GROUND

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

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.