CENTER ROOF ANTENNA INSPECTION


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

Antenna amplifier inspection

1.  Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

2.  Remove the following parts:

(1)  Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION.)
(2)  Rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION.)
(3)  B-pillar lower trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)
(4)  Adjuster anchor cover (See FRONT SEAT BELT REMOVAL/INSTALLATION.)
(5)  Upper anchor installation bolt on the seat belt (See FRONT SEAT BELT REMOVAL/INSTALLATION.)
(6)  B-pillar upper trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)
(7)  Rear package tray (See REAR PACKAGE TRAY REMOVAL/INSTALLATION.)
(8)  Coat hook (See HEADLINER REMOVAL/INSTALLATION.)
(9)  Trunk covering (See TRUNK COVERING REMOVAL/INSTALLATION.)
(10)  Trunk board (See TRUNK BOARD REMOVAL/INSTALLATION.)
(11)  Trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION.)

3.  Peel back the trunk side trim and remove the C-pillar trim. (See C-PILLAR TRIM REMOVAL/INSTALLATION.)

Note
•  To facilitate the procedure, leave the C-pillar trim in the cabin without pulling the rear seat belt.

4.  Remove the fasteners.

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5.  Peel back the seaming welt of the rear door and the liftgate.

Caution
•  If the headliner is peeled back excessively, the headliner could become creased. Be careful not to peel back the headliner excessively.

6.  Partially peel back the headliner.

7.  Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

8.  Switch the ignition ON (engine off or on).

9.  Turn the audio unit power on. (without center display)

10.  Change the mode to radio mode. (without center display)

11.  Measure the voltage at center roof antenna connector terminal B.

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If the voltage is the battery voltage:
•  The center roof antenna is normal. Go to the feeder line inspection.
If the voltage is other than the battery voltage:
•  Inspect the audio unit (without center display)/tuner and amp unit (with center display) and the antenna feeder. (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) (See ANTENNA FEEDER NO.3 INSPECTION.)


Feeder Line Inspection

1.  Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

2.  Remove the following parts:

(1)  Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION.)
(2)  Rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION.)
(3)  B-pillar lower trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)
(4)  Adjuster anchor cover (See FRONT SEAT BELT REMOVAL/INSTALLATION.)
(5)  Upper anchor installation bolt on the seat belt (See FRONT SEAT BELT REMOVAL/INSTALLATION.)
(6)  B-pillar upper trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)
(7)  Rear package tray (See REAR PACKAGE TRAY REMOVAL/INSTALLATION.)
(8)  Coat hook (See HEADLINER REMOVAL/INSTALLATION.)
(9)  Trunk covering (See TRUNK COVERING REMOVAL/INSTALLATION.)
(10)  Trunk board (See TRUNK BOARD REMOVAL/INSTALLATION.)
(11)  Trunk end trim (See TRUNK END TRIM REMOVAL/INSTALLATION.)

3.  Peel back the trunk side trim and remove the C-pillar trim. (See C-PILLAR TRIM REMOVAL/INSTALLATION.)

Note
•  To facilitate the procedure, leave the C-pillar trim in the cabin without pulling the rear seat belt.

4.  Remove the center roof antenna. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.)

5.  Verify that there is no continuity between center roof antenna sections A’ and C.

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•  If there is continuity, replace the center roof antenna. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.)

6.  Install the center roof antenna. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.)

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

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•  If the continuity is not as indicated in the table, verify the installation condition of the center roof antenna installation nut.
•  If the installation condition of the center roof antenna installation nut is normal, replace the center roof antenna. (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.)