Operation CHARM
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1999
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Lumina V6-3.8L VIN K
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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MIL
MIL
Scan Tool Displays ON or OFF. The scan tool display indicates the
PCM
commanded state of the
Malfunction Indicator Lamp
.