Operation CHARM
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Mercedes Benz
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1992
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300E (124.030) L6-3.0L (103.983)
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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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Application and ID
Engine Systems (MAS) Control Unit
Fuel Injection Control Unit (CIS-E)
Description and Operation
Engine Systems (MAS)
Fuel Injection (CIS-E)
Ignition (EZL/AKR)
Testing and Inspection
Initial Inspection and Diagnostic Overview
Pinout Values and Diagnostic Parameters
Voltage Measurements
Ohms Measurements
Locations
CIS-E System
CIS-E Control Unit
Engine Systems (MAS)
Electronic Ignition Control Unit (EZL)
Base Module
Service and Repair
Diagrams
Diagram Information and Instructions
How to Use Information In Diagrams
Circuit Identification
Symbol Identification
Color Codes
Wiring
Vacuum
Diagnostic Aids
Connector Views
Electrical Diagrams
Specifications
Technical Service Bulletins
