Operation CHARM
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Buick
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1986
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Regal V6-231 3.8L Turbo VIN 7 FI
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
Engine Control Module
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Description and Operation
Computer Command Control (C-3) System
Modes of Operation
Acceleration Mode
After Break-In Adaptive Functions - "E" Cell
Battery Voltage Correction Mode
Clear Flood Mode (Port and TBI Injection)
Deceleration Mode
Electronic Spark Timing (EST)
Fuel Cutoff Mode
Run Mode
Starting Mode (Port and TBI Injection)
Port Fuel Injection
Testing and Inspection
Chart C-1 ECM Quad Driver (QDR) Check
Checking Control Module For Bad Solder Joints
Locations
ECM Power
Electronic Control Module (ECM)
Service and Repair
Computer Command Control (C-3) System
Port Fuel Injection
Diagrams
With Computer Command Control (C-3) System
With Port Fuel Injection
Specifications
Technical Service Bulletins
