Table of Contents
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Table of Contents
Ignition Specifications........................................................ 2A-2
Theory of Operation .......................................................... 2A-3
Accessing ECM Information with the CDS.........................2A-4
Fault Information.........................................................2A-5
Warning System.................................................................2A-6
Warning Horn..............................................................2A-6
Warning Light..............................................................2A-6
Warning System Operation.........................................2A-6
Engine Overheat.........................................................2A-6
Low Oil Pressure........................................................ 2A-7
Engine Overspeed Limiter.......................................... 2A-7
Warning Light and Warning Horn Wire Diagrams..............2A-7
Warning Light Wire Diagram.......................................2A-7
Ignition Components.......................................................... 2A-8
Flywheel/Timing Belt Cover........................................ 2A-8
Flywheel Assembly..................................................... 2A-8
Stator.......................................................................... 2A-8
Stator Testing............................................................. 2A-9
Flywheel Removal and Installation........................... 2A-11
90-8M0105568 eng MARCH 2016
Electrical
Section 2A - Ignition
Stator Removal and Installation................................2A-14
Crank Position Sensor (CPS)................................... 2A-15
Crank Position Sensor Testing................................. 2A-18
Electronic Control Module (ECM)............................. 2A-20
ECM Removal and Installation................................. 2A-20
Ignition Coils............................................................. 2A-21
Ignition Coil Removal and Installation.......................2A-21
Ignition Coil Testing.................................................. 2A-22
Engine Temperature Coolant Sensor (ETC).............2A-24
ETC Removal and Installation.................................. 2A-24
ETC Sensor Test...................................................... 2A-25
Oil Pressure Sensor..................................................2A-26
Oil Pressure Switch Removal and Installation.......... 2A-26
Oil Pressure Switch Test.......................................... 2A-28
Manifold Air Temperature (MAT) Sensor .................2A-29
MAT Sensor Removal and Installation..................... 2A-29
MAT Sensor Test......................................................2A-31
Manifold Absolute Pressure (MAP) Sensor ............. 2A-31
MAP Sensor Removal and Installation..................... 2A-31
MAP Sensor Test......................................................2A-33
Throttle Position Sensor (TPS)................................. 2A-33
TPS Test...................................................................2A-34
© 2016 Mercury Marine
Ignition
2
A
Page 2A-1
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Chapters
Table of Contents
Troubleshooting
