Operation CHARM
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Volkswagen
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1991
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Fox L4-1781cc 1.8L SOHC
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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
California Vehicles (Digifant I)
Federal Vehicles (Digifant II)
Testing and Inspection
Component Tests and General Diagnostics
California Vehicles (Digifant I)
Control Unit
Resetting Digifant I Control Unit
Federal Vehicles (Digifant II)
Pinout Values and Diagnostic Parameters
California Vehicles (Digifant I)
Federal Vehicles (Digifant II)
Adjustments
Locations
California Vehicles
Federal Vehicles
Service and Repair
California Vehicles (Digifant I)
Federal Vehicles (Digifant II)
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 !
Wiring Diagram Circuit Identification
Symbols Used In Wiring Diagrams
Wire Color Code Identification
Wire Size Conversion
Connector Views
California Vehicles (Digifant I) 38-Pin Connector
Federal Vehicles (Digifant II) 25-Pin Connector
Electrical Diagrams
Specifications
Technical Service Bulletins
