Mitsubishi Galant 9G. Manual — part 171

MULTIPORT FUEL INJECTION (MFI) SYSTEM <3.8L ENGINE>

TSB Revision

CIRCUIT DIAGRAMS

90-46

MULTIPORT FUEL INJECTION (MFI) SYSTEM

<3.8L ENGINE>

M1901000802390

BATTERY

RELAY
BOX

MFI
RELAY

BATTERY
BACKUP

POWER
SUPPLY

POWER SUPPLY

THROTTLE
ACTUATOR
CONTROL
MOTOR
RELAY

·FOG LIGHT
·HEADLIGHT
·TAILLIGHT,
POSITION LIGHT,
FRONT SIDE
MARKER LIGHT
AND LICENSE
PLATE LIGHT

·TURN-SIGNAL
LIGHT AND
HAZARD
WARNING LIGHT
·WINDSHIELD
WIPER AND
WASHER

MULTIPORT FUEL INJECTION (MFI) SYSTEM <3.8L ENGINE>

TSB Revision

CIRCUIT DIAGRAMS

90-47

JOINT
CONNECTOR
(1)

FUEL
PUMP
RELAY
(1)

FUEL
PUMP
RELAY
(2)

FUEL PUMP
MODULE

CHARGING
SYSTEM

COOLING
SYSTEM

IGNITION
SWITCH (IG1)

JUNCTION
BLOCK

POWERTRAIN
CONTROL
MODULE

NOTE

·AUDIO SYSTEM
·AUTOMATIC AIR
CONDITIONING
SYSTEM
·CONTROLLER AREA
NETWORK (CAN)
·FOG LIGHT
·FRONT DOME LIGHT,
REAR DOME LIGHT,
TRUNK LIGHT AND
IGNITION KEY HOLE
ILLUMINATION LIGHT

·HEADLIGHT
·MANUAL AIR
CONDITIONING SYSTEM
·MULTI-CENTER DISPLAY
·TAILLIGHT, POSITION LIGHT,
FRONT SIDE MARKER LIGHT
AND LICENSE PLATE LIGHT
·TURN-SIGNAL LIGHT AND
HAZARD WARNING LIGHT
·VANITY MIRROR LIGHT
·WINDSHIELD WIPER
AND WASHER

MULTIPORT FUEL INJECTION (MFI) SYSTEM <3.8L ENGINE>

TSB Revision

CIRCUIT DIAGRAMS

90-48

MULTIPORT FUEL INJECTION (MFI) SYSTEM <3.8L ENGINE> (CONTINUED)

IGNITION
SWITCH (IG1)

JUNCTION
BLOCK

JOINT
CONNECTOR (1)

INVECS-II
4A/T

OUTPUT
SHAFT
SPEED
SENSOR

POWERTRAIN
CONTROL
MODULE

RELAY BOX
(FUSE )

22

JOINT
CONNECTOR (2)

COMBINATION
METER

MALFUNCTION
INDICATOR
LAMP

SERVICE ENGINE
SOON OR CHECK
ENGINE LAMP

MULTIPORT FUEL INJECTION (MFI) SYSTEM <3.8L ENGINE>

TSB Revision

CIRCUIT DIAGRAMS

90-49

DATA LINK
CONNECTOR

MULTI-CENTER DISPLAY UNIT

ABS/TCL-ECU

JOINT
CONNECTOR
(3)

WIRE COLOR CODE
B : BLACK LG : LIGHT GREEN G : GREEN L : BLUE
BR :BROWN O : ORANGE GR : GRAY R : RED W : WHITE
SB : SKY BLUE P : PINK Y : YELLOW V : VIOLET