With center display

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)
Remove the following parts:
1. Sunroof seaming welt (See SUNROOF UNIT REMOVAL/INSTALLATION .)
2. A pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION .)
3. Sunvisor (See SUNVISOR REMOVAL/INSTALLATION .)
4. Front map light (See MAP LIGHT REMOVAL/INSTALLATION .)
5. Assist handle (See ASSIST HANDLE REMOVAL/INSTALLATION .)
6. Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
7. Front side trim (RH) (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
8. Rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION .)
9. B-pillar lower trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION .)
10. Front seat belt adjuster cover (See FRONT SEAT BELT REMOVAL/INSTALLATION .)
11. Upper anchor installation bolt on the seat belt (See FRONT SEAT BELT REMOVAL/INSTALLATION .)
12. B-pillar upper trim (See B-PILLAR UPPER TRIM REMOVAL/INSTALLATION .)
13. Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION .)
14. Rear seat side back (See REAR SEAT SIDE BACK REMOVAL/INSTALLATION .)
15. Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
16. C-pillar trim (See C-PILLAR TRIM REMOVAL/INSTALLATION .)
Disconnect antenna feeder No. 2.

Fig 1: Identifying Antenna Feeder No. 2
Courtesy of MAZDA MOTORS CORP.
Disconnect antenna amplifier.

Fig 2: Identifying Antenna Amp Side Connector
Courtesy of MAZDA MOTORS CORP.
Verify that the continuity between antenna feeder No. 2 terminals is as indicated in the table.
- If not as indicated in the table, replace antenna feeder No. 2. (See ANTENNA FEEDER NO. 2 REMOVAL/INSTALLATION .)
Fig 3: Antenna Feeder No. 2 Terminals Continuity Chart
Courtesy of MAZDA MOTORS CORP.

Fig 4: Checking Antenna Feeder No. 2 Terminals Continuity
Courtesy of MAZDA MOTORS CORP.