Operation CHARM
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Buick
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1982
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Skyhawk L4-112 1.8L VIN G 2-bbl
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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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Initial Inspection and Diagnostic Overview
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- Description of On-Board Diagnostics
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Diagnostic Displays
Diagnostic Displays
Fig. 3 FIELD SERVICE MODE CHECK: