If Connection Between NAVI Control Unit and GPS Antenna is Malfunctioning

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK GPS ANTENNA
1. Check cable for GPS antenna by watching out to see that cable is malfunctioning.
OK or NG
1. OK: GO TO 2.
2. NG: Replace 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?
1. YES: Replace NAVI control unit.
2. NO: Replace GPS antenna.