Mercury MerCruiser D2.8L D-Tronic Service Manual page 467

SERVICE MANUAL NUMBER 22
Table of Contents
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
90-860074--1 FEBRUARY 2002
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
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
DESCRIPTION
5A-9
. . . . . . . . . . 5A-11
5A-13
. . . . . . . 5A-15
. . . . . . . . . . . . . 5A-17
. . 5A-18
5A-26
5A-26
. . . . . . . . . . . . . . . 5A-27
5A-30
. . . . 5A-30
. . . . . . . . . . . . . . 5A-30
Page 5A-1
5
A