Section 5A - Description - Mercury MerCruiser D2.8L D-Tronic Service Manual

Wire Color Abbreviations
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives
General Information . . . . . . . . . . . . . . . . . . .
Sterndrive (MCM) Models
Engine Wiring - Starting and Charging
System . . . . . . . . . . . . . . . . . . . . . . . . . . .
ECM and Fuel System Wiring
Quicksilver Instrumentation Wiring
Power Trim System Wiring Diagram
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing Procedure
General Information . . . . . . . . . . . . . . . . . . .
Basic Knowledge and Tools Required
Visual/Physical Inspection
Electrostatic Discharge Damage
Diagnostic Information
Terminology . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Control Module (ECM)
and Sensors . . . . . . . . . . . . . . . . . . . . . . . . .
General Description
Computers and Voltage Signals
Section 5B - Fuel Delivery Pump and Fuel Filter
Identification . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . . . . . . . . . . . .
Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Delivery Pump, Fuel Filter
and Related Components
90-860074--1 FEBRUARY 2002
ELECTRICAL SYSTEMS
Section 4E - Wiring Diagrams
. . . . . . . . . . . . . . . 4E-3
4E-3
. . . . . . . 4E-3
4E-3
. . . . . . . . . . . . . . 4E-4
4E-4
. . . . . . . . 4E-8
. . . 4E-10
. . 4E-14
FUEL SYSTEM

Section 5A - Description

5A-3
5A-4
. . . . . . . . . . . . . . . . . . 5A-5
5A-6
. 5A-6
. . . . . . . . . . . 5A-6
. . . . . . 5A-6
. . . . . . . . . . . . . . 5A-7
5A-7
5A-9
. . . . . . . . . . . . . . . . . 5A-9
. . . . . . 5A-9
FUEL SYSTEM
5B-3
5B-3
5B-3
5B-3
. . . . . . . 5B-3
5B-4
5B-6
. . . . . . . . . . . 5B-6
MerCathode System Wiring Diagram
Inboard (MIE) Models
Engine Wiring - Starting and Charging
System . . . . . . . . . . . . . . . . . . . . . . . . . .
ECM and Fuel System Wiring
Quicksilver Primary Instrumentation
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .
Models With Early Connectors
Models With 21-Pin Deutsch t
Connector . . . . . . . . . . . . . . . . . . . . . . . .
Analog Signals . . . . . . . . . . . . . . . . . . . . .
Analog Value Conditioning
Digital Signals . . . . . . . . . . . . . . . . . . . . .
Engine Control Module (ECM)
Speed Density System
ECM Input and Sensor Descriptions
Fuel Management . . . . . . . . . . . . . . . . . . . .
Control . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes Of Operation
Diagnosis and Testing
ECM Reactions During Operation
ECM Self-Diagnostics
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Separating Fuel Filter
Removal . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . .
Water Drain Valve Operation
Purging Air From The Fuel System
. 4E-15
. . . . . . . . . . . . . . . . . 4E-16
4E-16
. . . . . . . 4E-20
4E-22
. . . . . . 4E-26
4E-28
5A-9
. . . . . . . . . . 5A-11
5A-13
. . . . . . . 5A-15
. . . . . . . . . . . . . 5A-17
. . 5A-18
5A-26
5A-26
. . . . . . . . . . . . . . . 5A-27
. . . . . . . . . . . . . . . . 5A-30
. . . . 5A-30
. . . . . . . . . . . . . . 5A-30
5B-8
5B-10
5B-11
. . . . . . . . . . . 5B-13
5B-13
5B-13
. . . . . . . . . . . 5B-15
. . . . . 5B-16
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