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2004
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Impala V6-3.8L SC VIN 1
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Repair and Diagnosis
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Lighting and Horns
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Horn
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions
Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONS
Horn Relay
:
The scan tool displays the state of the horn relay. The scan tool displays ACTIVE when the BCM senses that the horn relay is being commanded ON by the relay coil being grounded.