Illumination Signal Check for NAVI Control Unit

1. Turn the ignition switch ON.
2. Check voltage between NAVI control unit and ground.
   TERMINALS VOLTAGE REFERENCE
   
   

   Terminals			Lighting switch position
   (+)		(-)	1st or 2nd position	OFF
   Connector	Terminal (Wire color)
   M97	25 (R/L)	Ground	Battery voltage	Approx. 0V

OK or NG

1. OK: Replace NAVI control unit. Refer to "REMOVAL AND INSTALLATION OF NAVI-CONTROL UNIT  ".
2. NG: Check harness for open or short between NAVI control unit and IPDM E/R.

Fig 1: Checking Voltage Between NAVI Control Unit & Ground

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