Mitsubishi Colt Ralliart. Manual — part 149

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-21

ENGINE CONTROL SYSTEM <4A91-CVT> (CONTINUED)

IGNITION
SWITCH (IG1)

COMBINATION
METER

METER
AND
A/C-ECU

DIAGNOSIS
CONNECTOR

EPS-ECU

ENGINE-CVT-ECU

SRS

FRONT SIDE

FUSIBLE
LINK

6

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple

(CAN2)

(CAN1)

·BACK-UP LAMP
·CAN
·CENTRAL DOOR
LOCKING SYSTEM
·DOOR AJAR WARNING BUZZER
·ELECTRIC RETRACTABLE
REMOTE CONTROLLED MIRROR
·FOG LAMP
·HEADLAMP
·METER AND GAUGE
·POWER WINDOWS
·REAR WIPER AND WASHER
·ROOM LAMP, LUGGAGE
COMPARTMENT LAMP AND
IGNITION KEY CYLINDER
ILLUMINATION LAMP
·TAIL LAMP, POSITION LAMP,
LICENCE PLATE LAMP AND
LIGHTING MONITOR BUZZER
·TURN-SIGNAL LAMP AND
HAZARD WARNING LAMP
·WINDSHIELD WIPER AND WASHER

Main

Index

Group

TOC

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-22

ENGINE CONTROL SYSTEM <4G15>

M1901000805225

IGNITION
SWITCH (IG1)

FUSIBLE
LINK

1

FUEL
PUMP
RELAY 1

FUEL
PUMP
RELAY 2

FUEL PUMP
AND GAUGE
UNIT

ENGINE-
ECU

BATTERY
BACK-UP

POWER
SOURCE

POWER
SOURCE

·ABS AND
ASC <4G15>
·STOP LAMP

STOP LAMP
SWITCH

ENGINE
CONTROL
RELAY

THROTTLE
VALVE
CONTROL
SERVO
RELAY

BAROMETRIC
PRESSURE SENSOR

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple

Main

Index

Group

TOC

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-23

ENGINE CONTROL SYSTEM <4G15> (CONTINUED)

OXYGEN
SENSOR (FRONT)

OXYGEN
SENSOR (REAR)

CAMSHAFT
POSITION
SENSOR

CRANK
ANGLE
SENSOR

DETONATION
SENSOR

ENGINE
CONTROL
RELAY

J/B

INJECTOR
No.1

INJECTOR
No.2

INJECTOR
No.3

INJECTOR
No.4

ENGINE-
ECU

OIL
FEEDER
CONTROL
VALVE

PURGE
CONTROL
SOLENOID
VALVE

ENGINE
COOLANT
TEMPERATURE
SENSOR

WASTEGATE
SOLENOID
VALVE

FUEL
PRESSURE
SOLENOID
VALVE

ENGINE
CONTROL RELAY

J/B

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White
Y : Yellow SB : Sky blue BR : Brown O : Orange
GR : Grey R : Red P : Pink V : Violet PU : Purple

CLUTCH SWITCH
(FOR ENGINE
CONTROL)

ENGINE CONTROL SYSTEM <4G15> (CONTINUED)

THROTTLE
VALVE
CONTROL
SERVO

THROTTLE POSITION
SENSOR

ELECTRONIC
CONTROL
THROTTLE
VALVE

INTAKE AIR
TEMPERATURE
SENSOR

(MAIN)

(SUB)

HALL IC

HALL IC

(MAIN)

(SUB)

HALL IC

HALL IC

MOTOR DRIVE
CIRCUIT

ENGINE-
ECU

ACCELERATOR PEDAL
POSITION SENSOR

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White
Y : Yellow SB : Sky blue BR : Brown O : Orange
GR : Grey R : Red P : Pink V : Violet PU : Purple

AIR FLOW
SENSOR

IGNITION SYSTEM

AUDIO SYSTEM

CHARGING
SYSTEM

·AUTOMATIC AIR
CONDITIONER
·COOLING SYSTEM AUTOMATIC AIR

CONDITIONER

(EARTH 7)

(EARTH 8)

ENGINE CONTROL
RELAY

J/B

FUEL WARNING LAMP,
OIL PRESSURE WARNING LAMP,
SEAT BELT WARNING LAMP
AND BRAKE WARNING LAMP

IMMOBILIZER
SYSTEM

STARTER

STARTER
RELAY

IGNITION
SWITCH (ST)

CLUTCH
SWITCH
(FOR
STARTER)

Main

Index

Group

TOC

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-24

ENGINE CONTROL SYSTEM <4G15> (CONTINUED)

IGNITION
SWITCH (IG1)

COMBINATION
METER

METER
AND
A/C-ECU

DIAGNOSIS
CONNECTOR

EPS-ECU

ENGINE-
ECU

ASC-ECU

SRS

FRONT
SIDE

FUSIBLE
LINK

6

·BACK-UP LAMP
·CAN
·CENTRAL DOOR
LOCKING SYSTEM
·DOOR AJAR
WARNING BUZZER
·ELECTRIC RETRACTABLE
REMOTE CONTROLLED
MIRROR
·FOG LAMP
·HEADLAMP
·METER AND GAUGE
·POWER WINDOWS
·REAR WIPER
AND WASHER
·ROOM LAMP, LUGGAGE
COMPARTMENT LAMP AND
IGNITION KEY CYLINDER
ILLUMINATION LAMP
·TAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP AND
HAZARD WARNING LAMP
·WINDSHIELD WIPER
AND WASHER

(CAN2)

(CAN1)

·FRONT WHEEL
SPEED SENSOR
·REAR WHEEL
SPEED SENSOR

INPUT SIGNAL

ABS AND ASC
<4G15>

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White
Y : Yellow SB : Sky blue BR : Brown O : Orange
GR : Grey R : Red P : Pink V : Violet PU : Purple

Main

Index

Group

TOC