Mitsubishi Colt Ralliart. Manual - part 148

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-17

ENGINE CONTROL SYSTEM <4A91-M/T> (CONTINUED)

INJECTOR 
No.1

INJECTOR 
No.2

INJECTOR 
No.3

INJECTOR 
No.4

ENGINE 
CONTROL RELAY

ENGINE-
ECU

OXYGEN 
SENSOR 
(FRONT)

OXYGEN 
SENSOR (REAR)

CAMSHAFT 
POSITION 
SENSOR

CRANK 
ANGLE 
SENSOR

DETONATION 
SENSOR

PURGE 
CONTROL 
SOLENOID 
VALVE

OIL 
FEEDER 
CONTROL 
VALVE

J/B

ENGINE 
CONTROL RELAY

J/B

ENGINE 
COOLANT 
TEMPERATURE 
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

ENGINE CONTROL SYSTEM <4A91-M/T> (CONTINUED)

THROTTLE 
VALVE 
CONTROL 
SERVO

THROTTLE POSITION 
SENSOR

ELECTRONIC CONTROL 
THROTTLE VALVE

MOTOR DRIVE 
CIRCUIT

ENGINE-
ECU

CHARGING 
SYSTEM

·COOLING
 SYSTEM
·MANUAL AIR
 CONDITIONER

MANUAL AIR
CONDITIONER

STARTER

STARTER
RELAY

IGNITION 
SWITCH (ST)

HALL IC

HALL IC

(MAIN)

(SUB)

HALL IC

HALL IC

(MAIN)

(SUB)

MANIFOLD ABSOLUTE 
PRESSURE SENSOR

PRESSURE 
SENSOR

INTAKE AIR 
TEMPERATURE
SENSOR

ACCELERATOR 
PEDAL POSITION SENSOR

(EARTH 7)

(EARTH 8)

IGNITION SYSTEM

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

AUDIO
SYSTEM

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

IMMOBILIZER
SYSTEM

CLUTCH 
SWITCH 
(FOR
 STARTER)

Main

Index

Group

TOC

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-18

ENGINE CONTROL SYSTEM <4A91-M/T> (CONTINUED)

IGNITION 
SWITCH (IG1)

COMBINATION 
METER

METER 
AND 
A/C-ECU

DIAGNOSIS 
CONNECTOR

EPS-ECU

ENGINE-ECU

ABS-ECU

SRS

FRONT 
SIDE

FUSIBLE 
LINK

6

(CAN2)

(CAN1)

·FRONT WHEEL 
 SPEED SENSOR 
·REAR WHEEL 
 SPEED SENSOR

INPUT SIGNAL

·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

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

90-19

ENGINE CONTROL SYSTEM <4A91-CVT>

M1901000805214

IGNITION 
SWITCH (IG1)

FUSIBLE 
LINK

1

FUEL 
PUMP 
RELAY 1

FUEL 
PUMP 
RELAY 2

FUEL PUMP 
AND GAUGE 
UNIT

ENGINE-
CVT-ECU

BATTERY 
BACK-UP

POWER 
SOURCE

POWER 
SOURCE

·ABS <4A91>
·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

90-20

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

INJECTOR 
No.1

INJECTOR 
No.2

INJECTOR 
No.3

INJECTOR 
No.4

ENGINE 
CONTROL RELAY

INVECS-III CVT

SECONDARY 
SPEED 
SENSOR

ENGINE-
CVT-ECU

OXYGEN 
SENSOR 
(FRONT)

OXYGEN 
SENSOR (REAR)

INVECS-III CVT

CAMSHAFT 
POSITION 
SENSOR

CRANK 
ANGLE 
SENSOR

EGR 
VALVE

DETONATION 
SENSOR

PURGE 
CONTROL 
SOLENOID 
VALVE

OIL 
FEEDER 
CONTROL 
VALVE

J/B

ENGINE 
CONTROL RELAY

J/B

ENGINE 
COOLANT 
TEMPERATURE 
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

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

THROTTLE 
VALVE 
CONTROL 
SERVO

THROTTLE POSITION 
SENSOR

ELECTRONIC CONTROL 
THROTTLE VALVE

MOTOR DRIVE 
CIRCUIT

ENGINE-
CVT-ECU

CHARGING 
SYSTEM

·COOLING
 SYSTEM
·MANUAL AIR
 CONDITIONER

MANUAL AIR
CONDITIONER

STARTER

INHIBITOR 
SWITCH

IGNITION 
SWITCH (ST)

HALL IC

HALL IC

(MAIN)

(SUB)

HALL IC

HALL IC

(MAIN)

(SUB)

MANIFOLD ABSOLUTE 
PRESSURE SENSOR

PRESSURE 
SENSOR

INTAKE AIR 
TEMPERATURE
SENSOR

ACCELERATOR 
PEDAL POSITION SENSOR

(EARTH 7)

(EARTH 8)

IGNITION SYSTEM

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

AUDIO
SYSTEM

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

IMMOBILIZER
SYSTEM

Main

Index

Group

TOC