If Connection Between NAVI Control Unit and GPS Antenna is Malfunctioning

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK GPS ANTENNA
1. Check cable for GPS antenna for damage.
OK or NG
- OK: GO TO 2.
- NG: Replace GPS antenna. Refer to "REMOVAL AND INSTALLATION OF GPS ANTENNA ".
CHECK BY REPLACEMENT OF GPS ANTENNA
1. Replace other functional GPS antenna to try self-diagnosis again.
Result of self-diagnosis; Found same result?
- YES: Replace NAVI control unit. Refer to "REMOVAL AND INSTALLATION OF NAVI CONTROL UNIT ".
- NO: Replace GPS antenna. Refer to "REMOVAL AND INSTALLATION OF GPS ANTENNA ".