Operation CHARM
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Cadillac
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1999
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Eldorado V8-4.6L VIN Y
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Repair and Diagnosis
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Heating and Air Conditioning
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Compressor HVAC
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Description and Operation
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HVAC Compressor Controls Circuit
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Extended Compressor At Idle
Extended Compressor At Idle
This mode allows for smoother idle conditions by increasing the minimum clutch ON time to a maximum of
45 seconds
whenever the vehicle speed drops below
24 km/h
(
15 mph
).