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