Reverse Signal Check for NAVI 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 NAVI control unit and ground.

NAVI CONTROL UNIT TERMINALS VOLTAGE

Terminals			Selector lever position
(+)		(-)
Connector	Terminal (Wire color)		R-position	Other than R-position
B152	27 (G/W)	Ground	Battery voltage	Approx. 0V

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

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

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.