Mitsubishi Lancer Evolution IX. Manual - part 20

COOLING SYSTEM

CIRCUIT DIAGRAMS

90-59

RELAY
BOX

BATTERY

IGNITION
SWITCH (IG2)

CONDENSER
FAN RELAY
(HI)

CONDENS-
ER
FAN RELAY
(LO)

CONDENSER
FAN MOTOR

ENGINE-
ECU

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  

·HEADLAMP
·HEADLAMP LEVELLING
 SYSTEM
·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

COOLING SYSTEM

CIRCUIT DIAGRAMS

90-60

COOLING SYSTEM <RH drive vehicles>

M1901001001510

INPUT SIGNAL

· A/C SWITCH
· ENGINE
  COOLANT
  TEMPERATURE
  SENSOR

· VEHICLE SPEED
  SENSOR

ENGINE-
ECU

FUSIBLE
LINK

2

ENGINE
CONTROL
RELAY

FAN
CONTROL
RELAY

SMOOTHING
CIRCUIT

FIELD EFFECT
TRANSISTOR
CIRCUIT

INPUT SIGNAL
PROCESSING

DRIVE
CIRCUIT

TEMPERATURE
DETECTION

CURRENT
DETECTION

RADIATOR
FAN MOTOR

FAN CONTROLLER

ENGINE
CONTROL
SYSTEM

COOLING SYSTEM

CIRCUIT DIAGRAMS

90-61

RELAY
BOX

BATTERY

IGNITION
SWITCH (IG2)

CONDENSER
FAN RELAY
(HI)

CONDENS-
ER
FAN RELAY
(LO)

CONDENSER
FAN MOTOR

ENGINE-
ECU

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   

·HEADLAMP
·HEADLAMP LEVELLING
 SYSTEM
·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

AUTOMATIC AIR
CONDITIONER

HEADLAMP

CIRCUIT DIAGRAMS

90-62

HEADLAMP

HEADLAMP <LH drive vehicles>

M1901001501991

BATTERY

RELAY
BOX

RELAY
BOX

FRONT-ECU

HEADLAMP
RELAY : LO

HEADLAMP
ASSEMBLY
(LO : RH)

HEADLAMP
ASSEMBLY
(LO : LH)

HEADLAMP
(HI : RH)

HEADLAMP
(HI : LH)

COMBINATION
METER

HEADLAMP
LEVELLING
SYSTEM

HEADLAMP
RELAY : HI