AM/FM ANTENNA AMPLIFIER INSPECTION

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1.  Remove the C-pillar trim. (See C-PILLAR TRIM REMOVAL/INSTALLATION.)

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

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

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

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

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If the voltage is the battery voltage:

•  The AM/FM antenna amplifier is normal.

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.)

―  If the audio unit (without center display)/tuner and amp unit (with center display) and the antenna feeder are normal, replace the AM/FM antenna amplifier. (See AM/FM ANTENNA AMPLIFIER REMOVAL/INSTALLATION.)