Operation CHARM
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Buick
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1997
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Park Avenue Ultra V6-3.8L SC VIN 1
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Repair and Diagnosis
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Accessories and Optional Equipment
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Antitheft and Alarm Systems
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Theft Deterrent System
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Circuit Operation
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Ignition Switch
Ignition Switch
The Ignition Switch provides the IGN1 and ACC1 signals. The IGN1 and ACC1 signals are used by the Remote Function Actuator
(RFA)
to make security mode determinations.