Mercury MerCruiser MCM 454 Mag MPI Service Manual page 610

SERVICE MANUAL NUMBER 23
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
a - To Injector Fuse
b - Injectors 2,3,5,8
c - To Ignition Relay
d - Injectors 1,4,6,7
e - Fuel Pump Fuse
f - Fuel Pump Relay
g - Fuel Pump
h - To ECM/BAT Fuse
i - Idle Air Control Motor
j - Data Link Connector
k - Injector Driver
l - Injector Ground
m - Fuel Injector Ground
n - Injector Driver
o - Port Fuel Jumper
p - Port Fuel Jumper
q - Fuel Pump Driver Relay
r - IAC "A" high
s - IAC "A" low
t - IAC "B" low
u - IAC "B" high
v - Serial Data
w - Master/Slave
x - Diagnostic Test
y - MIL Lamp
GENERAL SYSTEM DIAGNOSTICS
Page 5E-17