Operation CHARM
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Cadillac
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1986
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DeVille V8-252 4.1L
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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
Engine Control Module
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Description and Operation
Acceleration Mode
Battery Voltage Correction Mode
Clear Flood Mode
Deceleration Mode
Run Mode
Starting Mode
Testing and Inspection
Chart C-1 ECM Replacement Check
Checking Control Module For Bad Solder Joints
ECM/PCM Diagnosis
Locations
Diagrams
J1 Terminal I.D.
J2 Terminal I.D.
Technical Service Bulletins
