Operation CHARM
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Honda
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1996
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Prelude L4-2.2L DOHC (VTEC)
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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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Component Tests and General Diagnostics
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A/C Signal
A/C Signal
This signals the
ECM/PCM
when there is a demand for cooling from the air conditioning system.
