Operation CHARM
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Cadillac
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2001
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Catera V6-3.0L VIN R
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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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Engine Control Module
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Description and Operation
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Malfunction Indicator Lamp (MIL)
Malfunction Indicator Lamp (MIL)
The MIL is inside of the Instrument Panel Cluster
(IPC)
. The MIL is controlled by the
ECM
and illuminates when the ECM has detected a problem that affects the vehicle emissions.