CENTER ROOF ANTENNA INSPECTION


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Note
•  The center roof antenna has a built-in antenna amplifier.

Feeder Line Inspection

1.  Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)(See BATTERY REMOVAL/INSTALLATION [MZR-CD 2.2].)(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)(See BATTERY REMOVAL/INSTALLATION [MZ-CD 1.6].)

2.  Remove the rain sensor cover. (Vehicles with auto light/wiper system) (See RAIN SENSOR REMOVAL/INSTALLATION.)

3.  Disconnect the rain sensor connector. (Vehicles with auto light/wiper system)

4.  Partially peel back the seaming welts.

5.  Remove the following parts:

(1)  Sunroof seaming welt (vehicles with sunroof)
(2)  A-pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION.)
(3)  Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION.)
(4)  Rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION.)
(5)  B-pillar lower trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)
(6)  Upper anchor of the front seat belt (See FRONT SEAT BELT REMOVAL/INSTALLATION.)
(7)  B-pillar upper trim (See B-PILLAR UPPER TRIM REMOVAL/INSTALLATION.)
(8)  Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION.)
(9)  Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION.)
(10)  Trunk side upper trim (See TRUNK SIDE UPPER TRIM REMOVAL/INSTALLATION.)
(11)  C-pillar trim (See C-PILLAR TRIM REMOVAL/INSTALLATION.)
(12)  Map light (See MAP LIGHT REMOVAL/INSTALLATION.)
(13)  Sunvisor (See SUNVISOR REMOVAL/INSTALLATION.)
(14)  Assist handle (See ASSIST HANDLE REMOVAL/INSTALLATION.)
(15)  Headliner (See HEADLINER REMOVAL/INSTALLATION.)

6.  Verify that there is no continuity between the center roof antenna terminals A and C using an ohmmeter.

Type A

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Type B

am3zzw00005981

Type C

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7.  Inspect for continuity between the center roof antenna terminals using an ohmmeter.

•  If not as indicated in the table, retighten nut and antenna rod. Go to the antenna amplifier inspection.

Type A

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Type B

am3zzw00009851

Type C

am3zzw00009850


Antenna Amplifier Inspection

1.  Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)(See BATTERY REMOVAL/INSTALLATION [MZR-CD 2.2].)(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)(See BATTERY REMOVAL/INSTALLATION [MZ-CD 1.6].)

2.  Switch the ignition to ON.

3.  Turn the audio unit power to ON.

4.  Tune in the radio.

5.  Verify that voltage is B+ at the antenna amplifier terminal B.

Type A

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Type B

am3zzw00005981

Type C

aaxjjw00011441
•  If the battery voltage cannot be verified, go to the radio troubleshooting of No.2 or No.3.
•  If the battery voltage can be verified, replace the roof antenna.