Reverse Signal Check for NAVI 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 NAVI control unit connector B152.
Turn ignition switch ON.

With the selector lever in R-position, check voltage between NAVI 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			Selector lever position
(+)		(-)	Selector lever position
Connector	Terminal (Wire color)	(-)	R-position	Other than R-position
B152	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.