Mercury MerCruiser MCM 454 Mag MPI Service Manual page 614

SERVICE MANUAL NUMBER 23
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
a - IC Module
b - To Drawing 4 Of 4
c - Harness Connector
d - Ignition Coil
e - ECM Ground
f - ECM Ground
g - Ignition Control Signal
h - Ignition Control Reference High
i - Ignition Control Bypass
j - Ignition Control Reference Low
k - Coolant Over Temperature
l - Discrete Switch
m - Discrete Switch
GENERAL SYSTEM DIAGNOSTICS
Page 5E-21