GPS Antenna Feeder Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the following parts:
1. Center speaker grille (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
2. Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
3. Decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
4. Center display (See CENTER DISPLAY REMOVAL/INSTALLATION .)
Disconnect the GPS antenna connector. (See GLOBAL POSITIONING SYSTEM (GPS) ANTENNA REMOVAL/INSTALLATION .)
Verify that the continuity is as indicated in the table.

Fig 1: GPS Antenna Feeder Continuity Chart
Courtesy of MAZDA MOTORS CORP.

Fig 2: GPS Antenna Circuit With Connectivity Master Unit (CMU)
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace GPS antenna feeder.