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2002
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Camaro V8-5.7L VIN G
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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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Powertrain Control Module (PCM) Description
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PCM Function
PCM Function
The
PCM
supplies a buffered voltage to various sensors and switches. The PCM controls most components with electronic switches which complete a ground circuit when the switches are turned ON.