Mercury 200 OptiMax Jet Drive

Ignition
90-8M0050731 MAY 2011 Page 2A-1
2
A
Electrical
Section 2A - Ignition
Table of Contents
Ignition Specifications........................................................2A-2
Electrical Components.......................................................2A-4
Electrical Plate Hardware...................................................2A-6
Electrical Plate Engine Harness.........................................2A-8
Troubleshooting without a Computer Diagnostic System
(CDS)...........................................................................2A-10
Troubleshooting with the Computer Diagnostic System
(CDS)...........................................................................2A-10
Troubleshooting Guide.....................................................2A-11
Wire Color Code Abbreviations........................................2A-13
Theory of Operation ‑ Internal Ignition Coil Driver Models
.....................................................................................2A-14
Fuses ..............................................................................2A-14
Main Power Relay (MPR)................................................2A-15
Main Power Relay Test.............................................2A-15
Flywheel...........................................................................2A-16
Flywheel Cover Removal and Installation.................2A-16
Propulsion Control Module (PCM)...................................2A-17
Propulsion Control Module (PCM) Removal and
Installation.............................................................2A-17
Ignition Coils....................................................................2A-18
Ignition Coil Test.......................................................2A-18
Ignition Coil Removal and Installation.......................2A-20
Crankshaft Position Sensor (CPS)...................................2A-21
Crankshaft Position Sensor (CPS) Removal and
Installation.............................................................2A-22
Throttle Position Sensor (TPS)........................................2A-22
Throttle Position Sensor (TPS) Troubleshooting......2A-23
Throttle Position Sensor (TPS) Removal and
Installation.............................................................2A-23
Manifold Absolute Pressure (MAP) Sensor.....................2A-25
Manifold Absolute Pressure Sensor Test.................2A-25
Temperature Sensors......................................................2A-26
Cylinder Head Coolant Temperature Sensor............2A-26
Manifold Intake Air Temperature (MAT) Sensor ......2A-28
Guardian Protection System............................................2A-28
Guardian System Activation.....................................2A-29
Engine Overspeed Protection System......................2A-29
Warning Horn Signals...............................................2A-29