Poor radio reception
Symptom: Poor radio reception.
The cassette player and CD player work normally.
Fault symptoms
Poor radio reception.
The cassette player and CD player work normally.
Probable cause of fault
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The main unit is not properly inserted in the radio compartment.
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The aerial cable is poorly connected into the radio compartment/main unit.
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Poor coaxial cable connection.
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The aerial amplifier's power supply (trigger voltage) or ground connection is faulty.
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There is a break in the glass aerial (rear window).
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The connection between the aerial amplifier and glass aerial is poor.
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Diagnostic help
Note that the glass-mounted mobile phone aerial on the rear window can cause a deterioration in radio reception.
Checking the wiring harness
Jiggle the wiring harness at several points and in different directions to check if there are intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic instrument during the test.
