Operation CHARM
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Chevy Truck
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2007
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HHR L4-2.2L
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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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Diagrams
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Connector Views
Connector Views
Engine Control Module
Connector End Views
Engine Control Module (ECM) C1
Engine Control Module (ECM) C1 (Pin 1 To 20):
Engine Control Module (ECM) C1 (Pin 21 To 73):
Engine Control Module (ECM) C2
Engine Control Module (ECM) C2 (Pin 1 To 15):
Engine Control Module (ECM) C2 (Pin 16 To 73):