Operation CHARM
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Oldsmobile
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1994
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Eighty-Eight Royale FWD V6-3800 3.8L
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Testing and Inspection
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Component Tests and General Diagnostics
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Circuit Operation - Digital Cluster
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Pass-Key II Information
Pass-Key II Information
The PASS-Key II TM information comes over the serial data line from the Powertrain Control Module
(PCM).