Mercury V8 250 User Manual

Page iii © 2018 Mercury Marine 90-8M0146617 eng JULY 2018
Manual Outline
1 - Important Information
A - How to Use This Manual
B - System Theory
C - Emissions
D - Glossary, Reference Charts, and Conversions
2 - PCM 112
A - PCM 112 Important Information and Pinouts
B - PCM 112 and Engine Control Overview
3 - General Troubleshooting and CDS G3
A - General Troubleshooting
B - Troubleshooting with the Computer Diagnostic
System (CDS G3)
C - CDS G3—Live Data
D - CDS G3—PCM 112 Freeze Frame Data
E - CDS G3—Diagnostics Screen
F - CDS G3—Module Reflash
4 - Fault Codes
A - Fault Codes
5 - Sensors, Actuators, Relays, and Accessories
A - Sensors
B - Actuators and Relays
C - Accessories
6 - Electrical Systems
A - Ignition
B - Charging and Starting System
C - Conventional Midsection (CMS) Power Trim
D - Advanced Midsection (AMS) Power Trim
7 - Fuel System
A - Fuel System
B - Troubleshooting and Diagnostics
8 - Color Diagrams
A - SmartCraft Circuit Diagrams
B - Engine Harness Diagrams
Important Information
1
PCM 112
2
General Troubleshooting and CDS
G3
3
Fault Codes
4
Sensors, Actuators, Relays, and
Accessories
5
Electrical Systems
6
Fuel System
7
Color Diagrams
8

Mercury V8 250 Specifications

General

Brand	Mercury
Model	V8 250
Category	Outboard Motor
Language	English