90-864573 FEBRUARY 2002
Page vii
SECTION 3A - WIRING DIAGRAMS
Sensor Locations
3A-2
. . . . . . . . . . . . . . . . . . . .
Engine Harness Legend
3A-4
. . . . . . . . . . . . . .
Wire Splice Description
3A-4
. . . . . . . . . . . .
Wire Color Code Abbreviations
3A-4
. . . . .
ECM Pinout
3A-5
. . . . . . . . . . . . . . . . . . . . . .
ECM 555 EFI System Engine
Wiring Diagrams
3A-6
. . . . . . . . . . . . . . . . . . . .
Typical Starting System
3A-6
. . . . . . . . . . . .
Wake, Horn and Tachometer Circuits
3A-8
Fuses, IAC and Relays
3A-9
. . . . . . . . . . . .
MAP/T, CPS and TPS
3A-10
. . . . . . . . . . . . .
ECT, Seawater Pump and
Oil Pressure Sensors
3A-11
. . . . . . . . . . . . .
Gear Indicator and Shift Interrupt
3A-12
. . .
Fuel Injector Control Circuits
and Diagnostic Circuits
3A-13
. . . . . . . . . . .
Ignition System
3A-14
. . . . . . . . . . . . . . . . . . .
CAN, Fuel Level, Paddle Wheel
and Temperature Circuit
3A-15
. . . . . . . . . .
Transom Harness
3A-16
. . . . . . . . . . . . . . . . .
Transom Connector (Engine Side)
3A-17
. .
Transom Harness (Transom Side)
3A-18
. .
Slave Solenoid Circuit
3A-19
. . . . . . . . . . . . .
Altenator Output Circuit
3A-20
. . . . . . . . . . . .
Engine 12 Volt Ground Circuit
3A-21
. . . . . .
Single Circuit Diagrams
3A-22
. . . . . . . . . . . . . .
Seawater Pump Circuit
3A-22
. . . . . . . . . . . .
Diagnostics Circuit
3A-23
. . . . . . . . . . . . . . . .
Engine Coolant Temperature Circuit
3A-24
.
IAC Circuit
3A-25
. . . . . . . . . . . . . . . . . . . . . . .
MAP/T Circuit
3A-26
. . . . . . . . . . . . . . . . . . . .
Throttle Position Circuit
3A-27
. . . . . . . . . . . .
Oil Pressure Circuit
3A-28
. . . . . . . . . . . . . . .
Knock Sensor Circuits
3A-29
. . . . . . . . . . . . .
Harness To Paddle Wheel
Connector Circuit
3A-30
. . . . . . . . . . . . . . . .
Fuel Level Circuit
3A-31
. . . . . . . . . . . . . . . . .
Fuel Pump Relay Circuit
3A-32
. . . . . . . . . . .
Control Area Network (CAN) Circuit
3A-33
.
Wiring Diagrams
3A-34
. . . . . . . . . . . . . . . . . . . .