Mitsubishi Montero (2004+). Manual - part 35

JOINT CONNECTOR

TSB Revision

CIRCUIT DIAGRAMS

90-19

CENTRALIZED JUNCTION

TSB Revision

CIRCUIT DIAGRAMS

90-20

CENTRALIZED JUNCTION

M1901000300645

FUSIBLE LINK AND FUSE

ENGINE COMPARTMENT (RELAY BOX IN ENGINE COMPARTMENT)

NO. POWER SUPPLY 

CIRCUIT

NAME

RATED 
CAPACITY (A)

HOUSING 
COLOR

LOAD CIRCUIT

1

Battery

Fusible 
link

120

White

Fusible link No.2 and fuses No.6, 8, 
10, 11, 12, 18, 19 (relay box in engine 
compartment) circuit <when the 
engine is stopped>
Fusible links No.3, 4, 5, fuses No.13, 
14, 15, 16, fog light relay and 
front-ECU circuit <after starting the 
engine> 

2

Fusible link No. 1

60

Yellow

Fuses No.10, 11, 12 (in junction 
block) circuit

3

Battery

40

Green

Fuse No.20 (in junction block) and 
Ignition switch circuit

4

30

Pink

Fuse No.19 (in junction block) circuit, 
power seat assembly, power window 
main switch, power window motor, 
power window relay and power 
window sub switch

5

20

Blue

Camshaft position sensor, crankshaft 
position sensor, EGR valve, 
evaporative emission purge solenoid, 
evaporative emission ventilation 
solenoid, immobilizer-ECU, injector, 
intake manifold tuning solenoid, left 
bank heated oxygen sensor, MFI 
relay, powertrain control module, right 
bank heated oxygen sensor, throttle 
actuator control motor relay and 
volume airflow sensor, 

6

Fusible link No. 1

Fuse

20

Yellow

Fuel pump module and fuel pump 
relay (1), (2)

7

−

−

−

8

15

Blue

Accessory socket and accessory 
socket relay

9

−

−

−

10

25

Transpare
nt

Condenser fan control relay and 
condenser fan motor

11

20

Yellow

Rear A/C unit, rear blower relay and 
rear blower unit 

12

10

Red

Theft-alarm horn and theft-alarm horn 
relay

CENTRALIZED JUNCTION

TSB Revision

CIRCUIT DIAGRAMS

90-21

13

Battery

Fuse

10

Red

Horn and horn relay

14

20

Yellow

A/T control relay, A/T control solenoid 
valve assembly and powertrain 
control module

15

10

Red

ETACS-ECU and generator

16

15

Blue

High-mounted stop light, rear 
combination light, rear light and 
stoplight switch

17

Ignition switch (ACC)

10

Red

Accessory socket relay, A/C-ECU, 
clock, DVD player, motor 
antenna-ECU, radio/CD player, rear 
display and video controller unit

18

Fusible link No. 1

15

Blue

A/C-ECU, cargo space light, clock, 
column switch, combination meter, 
dome light, ETACS-ECU, DVD player, 
front door light, front-ECU, key 
reminder switch, motor antenna-ECU, 
radio/CD player, rear door light, rear 
personal light, RV meter, side step 
light-ECU, steering wheel sensor, 
sunroof motor assembly, theft-alarm 
indicator light, TPMS receiver, 
transfer-ECU, vanity mirror light and 
video controller unit

19

10

Red

A/C compressor, A/C compressor 
clutch relay, A/C-ECU and automatic 
compressor controller

20

Fog light relay

20

Yellow

Combination meter and fog light

21

Ignition switch (ACC)

−

−

−

22

20

Yellow

Front-ECU and windshield wiper 
motor

23

Front-ECU (Taillight 
relay)

10

Red

A/C-ECU, A/C switch, active skid 
control switch, A/T shift illumination 
light, ashtray illumination light, 
automatic compressor controller, 
cigarette lighter illumination light, 
clock, combination meter, fog light 
switch, glove box light, hazard 
warning light switch, heated seat 
switch, heater control panel 
illumination light, position light (RH), 
radio/CD player, rear A/C switch, rear 
combination light (RH), rear cooler 
switch, rear display, rear fan control 
switch (front), rear heater switch, rear 
light (RH), rheostat, RV meter and 
sunroof switch

NO. POWER SUPPLY 

CIRCUIT

NAME

RATED 
CAPACITY (A)

HOUSING 
COLOR

LOAD CIRCUIT

CENTRALIZED JUNCTION

TSB Revision

CIRCUIT DIAGRAMS

90-22

24

Front-ECU (Taillight 
relay)

Fuse

10

Red

License plate light assembly, position 
light (LH), rear combination light (LH) 
and rear light (LH)

25

Front-ECU (Headlight 
relay: Low or field 
effect transistor for 
headlight, low)

10

Red

Headlight (RH)

26

10

Red

Headlight (LH)

27

Front-ECU (Headlight 
relay: High)

10

Red

Headlight (RH)

28

10

Red

Headlight (LH)

29

Fusible link No. 1

Fusible 
link

20

Blue

Amplifier

30

−

−

−

−

NO. POWER SUPPLY 

CIRCUIT

NAME

RATED 
CAPACITY (A)

HOUSING 
COLOR

LOAD CIRCUIT

AC303851AB

(RELAY BOX IN ENGINE COMPARTMENT)

1

2

3

4

29

5

30

FRONT OF 
VEHICLE

6

7

8

9

10

11

12

13 14

15 16

22

21

17

18

19

20

23 24

25 26

27 28