Mercury D4.2L D-Tronic Service Manual

90-860074--1 FEBRUARY 2002 Page xi
ELECTRICAL SYSTEMS
Section 4E - Wiring Diagrams
Wire Color Abbreviations 4E-3. . . . . . . . . . . . . . .
Tools 4E-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives 4E-3. . . . . . .
General Information 4E-3. . . . . . . . . . . . . . . . . . .
Sterndrive (MCM) Models 4E-4. . . . . . . . . . . . . .
Engine Wiring - Starting and Charging
System 4E-4. . . . . . . . . . . . . . . . . . . . . . . . . . .
ECM and Fuel System Wiring 4E-8. . . . . . . .
Quicksilver Instrumentation Wiring 4E-10. . .
Power Trim System Wiring Diagram 4E-14. .
MerCathode System Wiring Diagram 4E-15.
Inboard (MIE) Models 4E-16. . . . . . . . . . . . . . . . .
Engine Wiring - Starting and Charging
System 4E-16. . . . . . . . . . . . . . . . . . . . . . . . . .
ECM and Fuel System Wiring 4E-20. . . . . . .
Quicksilver Primary Instrumentation
Wiring 4E-22. . . . . . . . . . . . . . . . . . . . . . . . . . .
Models With Early Connectors 4E-26. . . . . .
Models With 21-Pin Deutsch t
Connector 4E-28. . . . . . . . . . . . . . . . . . . . . . . .
FUEL SYSTEM
Section 5A - Description
Introduction 5A-3. . . . . . . . . . . . . . . . . . . . . . . . . . .
Precautions 5A-4. . . . . . . . . . . . . . . . . . . . . . . . . .
Testing Procedure 5A-5. . . . . . . . . . . . . . . . . .
General Information 5A-6. . . . . . . . . . . . . . . . . . .
Basic Knowledge and Tools Required 5A-6.
Visual/Physical Inspection 5A-6. . . . . . . . . . .
Electrostatic Discharge Damage 5A-6. . . . . .
Diagnostic Information 5A-7. . . . . . . . . . . . . .
Terminology 5A-7. . . . . . . . . . . . . . . . . . . . . . . .
Electronic Control Module (ECM)
and Sensors 5A-9. . . . . . . . . . . . . . . . . . . . . . . . .
General Description 5A-9. . . . . . . . . . . . . . . . .
Computers and Voltage Signals 5A-9. . . . . .
Analog Signals 5A-9. . . . . . . . . . . . . . . . . . . . .
Analog Value Conditioning 5A-11. . . . . . . . . .
Digital Signals 5A-13. . . . . . . . . . . . . . . . . . . . .
Engine Control Module (ECM) 5A-15. . . . . . .
Speed Density System 5A-17. . . . . . . . . . . . .
ECM Input and Sensor Descriptions 5A-18. .
Fuel Management 5A-26. . . . . . . . . . . . . . . . . . . .
Control 5A-26. . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes Of Operation 5A-27. . . . . . . . . . . . . . .
Diagnosis and Testing 5A-30. . . . . . . . . . . . . . . .
ECM Reactions During Operation 5A-30. . . .
ECM Self-Diagnostics 5A-30. . . . . . . . . . . . . .
FUEL SYSTEM
Section 5B - Fuel Delivery Pump and Fuel Filter
Identification 5B-3. . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 5B-3. . . . . . . . . . . . . . . . . . . . . . . . .
Torque 5B-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tools 5B-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives 5B-3. . . . . . .
Precautions 5B-4. . . . . . . . . . . . . . . . . . . . . . . . . .
Exploded View 5B-6. . . . . . . . . . . . . . . . . . . . . . . .
Fuel Delivery Pump, Fuel Filter
and Related Components 5B-6. . . . . . . . . . .
Testing 5B-8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 5B-10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5B-11. . . . . . . . . . . . . . . . . . . . . . . . . .
Water Separating Fuel Filter 5B-13. . . . . . . . . . .
Removal 5B-13. . . . . . . . . . . . . . . . . . . . . . . . .
Installation 5B-13. . . . . . . . . . . . . . . . . . . . . . . .
Water Drain Valve Operation 5B-15. . . . . . . . . . .
Purging Air From The Fuel System 5B-16. . . . .

Mercury D4.2L D-Tronic Specifications

General

Brand	Mercury
Model	D4.2L D-Tronic
Category	Engine
Language	English