Scan Tool Normal Specifications; Neutral) - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23
Scan Tool Normal Specifications (Idle / Warm Engine / Closed Throttle /

Neutral)

rpm
Desired rpm
Coolant Temp.
Manifold Air Temp.
Throttle Position
Throttle Angle
MAP
Baro
Bat
Spark Advance
Knock Retard
Idle Air Control IAC
Minimum IAC Position
Idle Air Control Follower
Injector Pulse Width
Injector On Time Cranking
Fuel Consumption
Time From Start
Memory Calibration Check
Sum
Oil Press/IO Level (See Note)
Engine Overtemp
Lanyard Stop Mode
NOTE: MCM will read I/O Level and MIE will read Trans.
Index
90-861326--1 MARCH 1999
Downloaded from https://needmanual.com/
SCAN POSITION
rpm
rpm
Volts
0-100 %
Volts or kPa
Volts or kPa
Volts
Degrees
Degrees
Counts (Steps)
Counts (Steps)
Counts (Steps)
msec.
msec.
GPH (L/h)
0:00:00-1092:00
Calibration and Check Sum
OK/LO
OK/Overheating
OFF/ON
FUEL INJECTION SYSTEM TROUBLESHOOTING
UNITS DISPLAYED
F( C)
F ( C)
TYPICAL DATA VALUE
600-700 rpm
600 rpm
150-170 F (66-77 C)
Varies with Ambient Tempera-
ture
.4 to .8 Volts
0-1%
1-3 Volts or (45-55 kPa) (De-
pends on Vacuum and Baro
Pressure)
3-5 Volts (Depends on Altitude
and Barometric Pressure)
12.0-14.5 Volts
-10 to 30
0
0-40 Counts
0-40 Counts
0 Counts
2-3 msec.
2.5-3.5 msec. (Depends on
Water/Air Temperature)
1-2 GPH (3.7-7.5 L/h)
Varies
Varies with Software revision
in ECM
OK
OK
OFF
Page 5D-5