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Antenna Amplifier Inspection

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the following parts:
    1. Sunroof seaming welt (with sunroof system) (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. Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    10. Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION .)
    11. Passenger-side lower panel (See LOWER PANEL REMOVAL/INSTALLATION .)
    12. B-pillar lower trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION .)
    13. Adjust anchor cover (See FRONT SEAT BELT REMOVAL/INSTALLATION .)
    14. Upper anchor installation bolt on the seat belt (See FRONT SEAT BELT REMOVAL/INSTALLATION .)
    15. B-pillar upper trim (See B-PILLAR UPPER TRIM REMOVAL/INSTALLATION .)
    16. Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION .)
    17. Rear seat side back (See REAR SEAT SIDE BACK REMOVAL/INSTALLATION .)
    18. Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION .)
    19. C-pillar trim (See C-PILLAR TRIM REMOVAL/INSTALLATION .)
    20. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    21. Selector lever knob (ATX) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    22. Shift lever knob (MTX) (See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [C66M-R] .)
    23. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    24. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
    25. Rear console component (See REAR CONSOLE REMOVAL/INSTALLATION .)
    26. Headliner (See HEADLINER REMOVAL/INSTALLATION .)
  3. Switch the ignition ON (engine off or on).
  4. Turn the audio unit power to ON.
  5. Verify that voltage is B+ at the antenna amplifier terminal B.
    Fig 1: Antenna Amplifier Connector Terminals
    G12235073Courtesy of MAZDA MOTORS CORP.
    • If the battery voltage can be verified, replace the antenna amplifier.
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