Operation CHARM
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Mercedes Benz
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1984
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190D 2.2 (201.122) L4-2.2L DSL (601.921)
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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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Relays and Modules - Computers and Control Systems
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Engine Control Module
Engine Control Module
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Locations
Reference Resistor (CIS-E)
CIS-E Control Unit
Engine Systems Control Unit (MAS)
Diagrams
Diagram Information and Instructions
How to Use Information In Diagrams
Circuit Identification
Symbol Identification
Color Codes
Wiring
Vacuum
Diagnostic Aids
Electrical Diagrams
Technical Service Bulletins
