Mercury MerCruiser MCM 454 Mag MPI Service Manual page 490

SERVICE MANUAL NUMBER 23
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
a - Ignition Coil Trigger Signal
b - Battery
c - Relay
d - Module Advance
e - Signal Converter
f - Pick Up Coil
g - Ground
h - Manifold
i - Coolant Temperature
j - ECM
k - IC
l - REF HI
m - Bypass
n - REF LO
o - Grounded
p - No Voltage Applied
q - Not Grounded
r - Voltage Applied
MULTI-PORT FUEL INJECTION DESCRIPTIONS AND SYSTEM OPERATION
Page 5B-31