ANTENNA MODULE DIAGNOSIS TABLE
CONDITION
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POSSIBLE CAUSES
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CORRECTION
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NO AM RECEPTION, WEAK FM RECEPTION
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1. Antenna module to antenna connector open
or disconnected.
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1. Repair open, reconnect antenna module connector to glass mounted antenna.
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2. Coax open or disconnected.
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2. Repair open, reconnect coax.
|
|
| |
3. No battery power at antenna module.
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3. Check fuse. if okay, repair open in battery voltage circuit.
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NO AM OR FM RECEPTION
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1. Coax disconnected at radio.
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1. Reconnect coax.
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2. Coax shorted to ground.
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2. Repair or Replace coax
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WEAK OR NO AM/FM RECEPTION
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1. Antenna Module inoperative.
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1. Substitute a known good module to see If reception improves. Replace antenna module as necessary.
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