Mercury 225 EFI, Service Manual

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WIRING DIAGRAMS
Page 2D-52 90-884294 OCTOBER 2001
AIR TEMP?
[NO] [YES]
[SAVE]
Are you using a air temp. sensor?
GPS?
[NO] [YES] [SAVE]
Do you have a GPS sensor installed?
USE GPS SPEED?
[NO] [YES]
[SAVE]
Use the GPS input to drive the speed display?
WATER TEMPERATURE
ADJUST
[UP]
[SAVE] [DOWN]
Adjust water temp. transducer to match actual sea water tem-
perature.
SmartCraft Gauge Operation
Tachometer Speedometer
Basic Operation and Features
Power up: Each gauge will power up when the ignition is turned on. Gauges will stay on
as long as the ignition is on.
Lights: The brightness and contrast are adjustable. Refer to Gauge Calibration following.
Buttons: The MODE button is used for selecting information screens. The + and – but-
tons are used for setting engine speed during troll control and setting gauge calibrations.
Troll Control: Allows the operator to set and control the idle speed of the engine for trol-
ling without using the throttle.
Engine Guardian System: Monitors the critical sensors on the engine for any early in-
dications of problems. The system will respond to a problem by reducing engine speed
in order to maintain a safe operating condition.
Warning System – System will sound the warning horn and display warning message.
Gauge Calibrations
Digital Display Screen: Displays the following engine information.
Tachometer Display Screen: Speedometer Display Screen:
Digital Tachometer
Hour Meter
Power Trim Angle
Fuel Flow
Engine Temperature
Battery Voltage
Water Pressure Clock and Temperature
Fuel Tank Level(s)
Oil Tank Level(s)
Fuel Economy
Fuel Range
Trip Odometer
Digital Speedometer
Barometer Reading