Mazda CX-5 Service & Repair Manual: Center Roof Antenna Inspection

NOTE:

• The center roof antenna is integrated with the antenna amplifier.

Antenna amplifier inspection

1. Disconnect the negative battery cable..

2. Remove the following parts:

a. Front scuff plate.

b. Rear scuff plate.

c. B-pillar lower trim.

d. Front seat belt adjusting cover.

e. Front seat belt upper anchor installation bolt.

f. B-pillar upper trim.

g. Trunk board.

h. Trunk end trim.

i. Trunk side trim.

j. D-pillar trim.

k. C-pillar trim.

3. Remove the rear passenger's assist handle..

4. Partially peel back the headliner.

NOTE:

• Be careful not to peel back the headliner excessively. Otherwise it could create a fold-seam in the headliner.

5. Connect the negative battery cable..

6. Switch the ignition ON (engine off).

7. Turn the audio unit power on.

8. Tune in the radio.

9. Verify that the battery voltage is supplied to antenna amplifier terminal A.

• If the battery voltage cannot be verified, inspect the audio unit and antenna feeder.

• If the battery voltage can be verified, go to the feeder line inspection.

Feeder line inspection

1. Disconnect the negative battery cable..

2. Remove the center roof antenna.

3. Verify that there is no continuity between center roof antenna sections A and B and E (with AM/FM/SIRIUS type only)

AM/FM type

AM/FM/SIRIUS type

• If there is continuity, replace the center roof antenna.

4. Install the center roof antenna.

5. Verify that the continuity between the center roof antenna terminals is as indicated in the table.

AM/FM type

AM/FM/SIRIUS type

• If the continuity is not as indicated in the table, verify the installation condition of the center roof antenna installation nut.

  AM/FM type

  

  
  

  AM/FM/SIRIUS type

  

  
  

• If the installation condition of the center roof antenna installation nut is normal, replace the center roof antenna.