Operation CHARM
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Audi
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1992
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S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN)
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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
General
Charge Pressure Signal (Turbo)
Engine Speed Signal
Exciter Wire Signal
Testing and Inspection
Checking ECM Voltage Supply
Checking Engine Speed Signal
Locations
Component Locations
Fuse and Fusible Link Locations
Ground Locations
Service and Repair
Diagrams
Diagram Information and Instructions
Understanding Track Style Wiring Diagrams, Important Stuff !
How to Find the Correct Wiring Diagram, Important Stuff !
How to Read Displayed Page of Wiring Diagram, Important Stuff !
Symbols Used In Wiring Diagrams
Wiring Diagram Circuit Identification
Wire Color Code Identification
Wire Size Conversion
Connector Views
Electrical Diagrams
Technical Service Bulletins
