Mitsubishi Grandis. Manual - part 423

CENTRALIZED JUNCTION

CIRCUIT DIAGRAMS

90-13

PASSENGER COMPARTMENT

AC208462

Front of vehicle

(Relay box in engine compartment)

1

6

7

8

9 10 11 12 13 14 15

25

4

2

3

16

17

18

19

20

21

23 22

5

AV

24

AC304080

Front of vehicle

28

29

27

26

30

31

AD

(Fusible link box in engine compartment)

CENTRALIZED JUNCTION

CIRCUIT DIAGRAMS

90-14

No. Power source 

circuit

Name

Rated 
capacity (A)

Housing 
colour

Load circuit

1

Ignition switch (IG1)

Fuse

10

Red

Capacitor and ignition coil

2

7.5

Brown

ABS-ECU, ASC-ECU, centre display, 
column switch, combination meter, 
engine oil level relay, ETACS-ECU, 
spare connector (for trailer), 
SRS-ECU and steering wheel sensor

3

7.5

Brown

A/T control relay, back-up lamp, 
engine-A/T-ECU <A/T>, ETACS-ECU 
<M/T>, input shaft speed sensor 
<A/T>, output shaft speed sensor 
<A/T>, passenger’s air bag off 
indicator lamp, spare connector (for 
navigation system) and SRS-ECU

4

7.5

Brown

−

5

Ignition switch (IG2)

7.5

Brown

A/C compressor relay, A/C-ECU, front 
blower relay, front-ECU, heated seat 
relay, outside/inside air selection 
damper control motor, PTC heater 
relay, PTC heater switch, rear blower 
relay, rear fan switch and rear window 
defogger relay

6

Rear window 
defogger relay

7.5

Brown

Door mirror assembly

7

Ignition switch (ACC)

30

Green

Front-ECU and windshield wiper 
motor

8

Ignition switch (IG1)

7.5

Brown

Engine-A/T-ECU <A/T>, engine-ECU 
<M/T> and fuel pump relay

9

Ignition switch (ACC)

15

Blue

Cigarette lighter and spare connector 
(for navigation system)

10

−

−

−

11

7.5

Brown

Combination meter and remote 
controlled mirror switch

12

Ignition switch (IG2)

7.5

Brown

Sunroof motor assembly

13

Ignition switch (ACC)

−

−

−

14

15

Blue

ETACS-ECU and rear wiper motor

15

Fusible link No.30

15

Blue

Diagnosis connector and 
ETACS-ECU

16

10

Red

Rear fog lamp and rear fog lamp relay

17

−

−

−

18

−

−

−

19

30

Green

Front blower motor

20

30

Green

Circuit of fuse No.6 in passenger 
compartment and rear window 
defogger

CENTRALIZED JUNCTION

CIRCUIT DIAGRAMS

90-15

21

Fusible link No.5

20

Yellow

Sunroof motor assembly

22

Fusible link No.28

20

Yellow

Heated seat and heated seat switch

23

Fusible link No.30

20

Yellow

Rear blower motor

24

−

−

−

−

No. Power source 

circuit

Name

Rated 
capacity (A)

Housing 
colour

Load circuit

AC311354AB

1 2 3 4 5 6

7 8 9

20

19

10 11 12

13 14 15 16 17 18

21 22

23 24

<LHD>

(in junction block)

CENTRALIZED JUNCTION

CIRCUIT DIAGRAMS

90-16

CENTRALIZED RELAY

AC304081AD

20

19

13
14
15
16
17
18

21
22

23
24

7

8

9

1

2
3
4
5
6

10
11
12

<RHD>

(in junction block)

Connector No.

Name

Connector No.

Name

A-08X

Front fog lamp relay

B-09X

−

A-09X

Horn relay

B-10X

−

A-10X

−

B-11X

−

A-11X

−

B-12X

Throttle valve control servo 
relay

A-12X

−

B-13X

−

A-13X

Fan control relay

B-14X

A/T control relay

A-14X

Front-ECU

B-15X

Engine control relay

A-15X

Front-ECU

B-16X

A/C compressor relay