A6 Quattro Wagon V6-2.8L (AFC) (1995)
Antenna Amplifier: Testing and Inspection
Front Antenna Amplifier, Checking
Test Conditions
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Battery OK
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Power window circuit breaker -S43- (in auxiliary relay panel I) OK
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5 amp fuse on radio OK
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Use multimeter (Fluke 83 or equivalent) and connector test kit VW 1594 for all electrical tests
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Always use appropriate wiring diagram when troubleshooting
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Remove right side A-pillar trim.
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Leave front antenna amplifier mounted (Ground (GND) connection).
NOTE: FM signals are received by both front and rear window antennas.
If specified readings are obtained:
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Remove radio.
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Remove antenna cable from front antenna amplifier.
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Set multimeter (Fluke 83 or equivalent) to measuring resistance (ohm).
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Connect multi meter between radio end and amplifier end of front antenna cable.
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Center core: must be 0 Ohms (continuity)
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Braided shield: must be 0 Ohms (continuity)
If NOT:
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Replace antenna cable.
NOTE: Foreign substances such as paint, primer and windshield adhesive may conduct electricity and cause an unwanted connection between antenna
and car body (GND) resulting in poor radio reception.
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Carefully remove any paint, primer or windshield adhesive from antenna connection on windshield.
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When installing windshield, ensure antenna connection remains clean.