Mitsubishi Evolution X. Manual - part 1171

CENTRALIZED JUNCTION

TSB Revision

CIRCUIT DIAGRAMS

90-21

20

MFI relay

Fuse

−

−

−

21

10

Red

Ignition coil Nos.1 to 4

22

20

Yellow

Engine control module, evaporative 
emission purge solenoid, exhaust oil 
feeder control valve, heated oxygen 
sensor (Front, rear), injector Nos.1 to 
4, intake oil feeder control valve, 
mass airflow sensor, throttle actuator 
control motor relay and turbocharger 
wastegate solenoid No.1 and 2

23

20

Yellow

Fuel pump module, fuel pump relay 1 
and fuel pump circuit resistor

24

Fusible link No.36

Fusible 
link

30

Pink

Starter

25

−

−

−

26

40

Green

ASC-ECU

27

30

Pink

ASC-ECU

28

30

Pink

Condenser fan motor, condenser fan 
relay and fan control relay

29

40

Green

Radiator fan motor and radiator fan 
relay

30

Fuse

30

Green

Fuse Nos.7 to 9 in passenger 
compartment

31

30

Green

Audio amplifier

32

MFI relay

−

−

−

33

Battery/Generator

Fusible 
link

140

−

Fusible link No.37/ Fusible link No.34 
to 36

34

Battery/Fusible link 
No.33

80

−

ACC relay 3 in ETACS-ECU, fuse 
No.2, 4, 5, 10, 11, 12, 14, 15, 17, 18, 
25 and fusible link No.20 in 
passenger compartment and 
ETACS-ECU

35

80

−

Electric pump

36

120

−

Fuse No.1 to 5, 7 to 9, 13 to 23, 30, 
31 and fusible link No.24, 26 to 29 in 
engine compartment, MFI relay and 
headlight relay (High, Low)

37

Fusible link No.33/ 
Generator

80

−

ACC relay 2 in ETACS-ECU, fusible 
link No.1 and 21, Fuse No. 3, 6, 13, 
16 in passenger compartment, 
ETACS-ECU and blower relay

No. Power supply circuit Name

Rated 
capacity (A)

Housing 
color

Load circuit

CENTRALIZED JUNCTION

TSB Revision

CIRCUIT DIAGRAMS

90-22

.

AC609168

3

2

1

16 17

31 32

18 19

20 21

23

22

5

25

4

6

7

8

9

10

11

12

13

14

15

24

AT

27

26

29

28

30

Front of
vehicle

Relay box in engine compartment

AC506810AJ

33

35

36

37

34

Front of
vehicle

Fusible link box in engine compartment

CENTRALIZED JUNCTION

TSB Revision

CIRCUIT DIAGRAMS

90-23

PASSENGER COMPARTMENT

No. Power supply circuit Name

Rated 
capacity (A)

Housing 
color

Load circuit

1

Fusible link No.37

Fusible 
link

30

Pink

Blower motor

2

Fusible link No.34

Fuse

15

Blue

ETACS-ECU, high-mounted stoplight, 
rear combination light (LH, RH) and 
shift lever <TC-SST>

3

Fusible link No.37

10

Red

−

4

ETACS-ECU (ACC 
relay 3)

30

Green

Windshield wiper automatic stop 
relay, windshield wiper motor and 
windshield wiper speed switching 
relay in ETACS-ECU, washer motor 
and windshield washer relay

5

Fusible link No.34

10

Red

Data link connector

6

Fusible link No.37

20

Yellow

Door lock relay, driver's door unlock 
relay, passenger's door unlock relay 
and trunk lid open relay in 
ETACS-ECU, front door lock actuator 
(LH, RH), rear door lock actuator (LH, 
RH) and trunk lid latch

7

Fusible link No.30

15

Blue

CAN box unit, center panel unit, 
hands free module, multivision 
display, radio/CD player, satellite 
radio tuner and spare connector (for 
navigation unit)

8

7.5

Brown

Power window relay in ETACS-ECU, 
A/C-ECU, column switch, 
combination meter, ETACS-ECU, key 
reminder switch <Vehicles with 
KOS>, KOS-ECU, lighting control 
sensor, S-AWC-ECU and wireless 
control module

9

15

Blue

Center panel unit, combination meter 
and key reminder switch <Vehicles 
without KOS>

10

Fusible link No.34

15

Blue

ETACS-ECU

11

ETACS-ECU (ACC 
relay 3)

15

Blue

−

CENTRALIZED JUNCTION

TSB Revision

CIRCUIT DIAGRAMS

90-24

12

ETACS-ECU (IG1 
relay)

7.5

Brown

A/C-ECU, A/C control panel, center 
panel unit, column switch, 
combination meter, heated seat relay, 
KOS-ECU, rear window defogger 
relay, receiver antenna module 
<Vehicles with KOS>, S-AWC-ECU, 
shift lever <TC-SST>, SRS-ECU, 
steering wheel sensor, sunroof motor 
assembly, transaxle assembly 
<TC-SST> and wireless control 
module <Vehicles without KOS>

13

ETACS-ECU (ACC 
relay 2)

15

Blue

Accessory socket and cigarette lighter

14

Fusible link No.34

10

Red

Fuel pump relay 2, IG1 relay, power 
window relay in ETACS-ECU, 
ETACS-ECU, engine control module 
and injector relay

15

20

Yellow

Sunroof motor assembly

16

ETACS-ECU (ACC 
relay 2)

10

Red

CAN box unit, multivision display, 
radio/CD player, door mirror assembly 
(LH, RH) and shift lever <TC-SST>

17

Fusible link No.34

10

Red

ASC-ECU, front seat assembly (LH) 
and S-AWC-ECU

18

ETACS-ECU (IG1 
relay)

7.5

Brown

Backup light (LH, RH), ETACS-ECU, 
multivision display, shift lever 
<TC-SST>, spare connector (for 
navigation unit) and SRS-ECU

19

Fusible link No.37

15

Blue

−

20

Fusible link No.34

Fusible 
link

30

Pink

Front power window sub switch, 
power window main switch and rear 
power window motor (LH, RH)

21

Fusible link No.37

30

Pink

Rear window defogger

22

−

Fuse

−

−

−

23

Fusible link No.34

−

−

−

24

−

−

−

25

30

Green

Heated seat assembly (LH, RH) and 
heated seat switch

No. Power supply circuit Name

Rated 
capacity (A)

Housing 
color

Load circuit