Reverse Signal Check For NAVI Control Unit

WARNING: This page is about a different car, the 2004 Nissan Quest. 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 NAVI control unit and ground.

VOLTAGE SPECIFICATION

Terminals			Selector lever position
(+)		(-)
Connector	Terminal (Wire color)		R-position	Other than Imposition
P107	27 (G/W)	Ground	Battery voltage	Approx. 0V

OK or NG

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

Fig 1: Checking Voltage Between NAVI Control Unit And Ground

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