Mitsubishi Lancer Evolution IX. Manual - part 15

IGNITION SYSTEM

CIRCUIT DIAGRAMS

90-39

IGNITION COIL RELAY

IGNITION
COIL (2)

IGNITION
COIL (1)

SPARK PLUG

ENGINE-
ECU

ENGINE SPEED
DETECTION CONNECTOR

INPUT SIGNAL

·BAROMETRIC PRESSURE
 SENSOR
·CRANK ANGLE SENSOR
·DETONATION SENSOR
·ENGINE COOLANT
 TEMPERATURE SENSOR
·EXHAUST CAMSHAFT
 POSITION SENSOR
·IGNITION SWITCH (ST)
·INTAKE AIR TEMPERATURE
 SENSOR
·INTAKE CAMSHAFT
 POSITION SENSOR
·OXYGEN SENSOR
·THROTTLE POSITION
 SENSOR
·VEHICLE SPEED 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

CHARGING SYSTEM

CIRCUIT DIAGRAMS

90-40

CHARGING SYSTEM

CHARGING SYSTEM <LH drive vehicles>

M1901000701914

BATTERY

COMBI-
NATION 
METER

ALTERNATOR

RELAY 
BOX

ENGINE-ECU

IC VOLTAGE REGULATOR

STATOR 
COIL

FIELD 
COIL

IGNITION
SWITCH (IG1)

FUSIBLE 
LINK

26

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

ENGINE
OIL LEVEL
WARNING
LAMP

CHARGING SYSTEM

CIRCUIT DIAGRAMS

90-41

CHARGING SYSTEM <RH drive vehicles>

M1901000701925

BATTERY

COMBI-
NATION 
METER

ALTERNATOR

RELAY 
BOX

ENGINE-ECU

IC VOLTAGE REGULATOR

STATOR 
COIL

FIELD 
COIL

IGNITION
SWITCH (IG1)

FUSIBLE 
LINK

26

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

ENGINE
OIL LEVEL
WARNING
LAMP

·ENGINE CONTROL SYSTEM
·ENGINE OIL LEVEL
 WARNING LAMP
·HEADLAMP
·METER AND GAUGE
·REAR FOG LAMP
·TAIL LAMP, POSITION
 LAMP, LICENCE PLATE
 LAMP AND LIGHTING
 MONITOR BUZZER
·TURN-SIGNAL LAMP AND
 HAZARD WARNING LAMP
·WINDSHIELD WIPER AND
 WASHER

ENGINE CONTROL SYSTEM

CIRCUIT DIAGRAMS

90-42

ENGINE CONTROL SYSTEM

ENGINE CONTROL SYSTEM <LH drive vehicles>

M1901000803649

FUSIBLE 
LINK

1

IGNITION
SWITCH (IG1)

ENGINE-
ECU

FUEL 
PUMP 
RELAY 

(1)

FUEL 
PUMP 
RELAY 

(2)

COMBINATION 
METER