Operation CHARM
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Buick
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1999
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LeSabre V6-3.8L VIN K
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Repair and Diagnosis
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Heating and Air Conditioning
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Control Assembly
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Description and Operation
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HVAC System - Automatic
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Control Assembly Description (CJ2)
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General Information
General Information
The dual zone (CJ2) has 9 modes available. The
heater and A/C programmer
may also access 3 additional purge modes when certain conditions exist.