Mitsubishi 380. Manual - part 942

MULTI-CENTER DISPLAY

CHASSIS ELECTRICAL

54A-302

CHECK AT MULTI-CENTRE DISPLAY UNIT TERMINAL

M1543007600519

16DB560A

1 2

11 12

3 4

13 14

5 6

15 16

7 8

17 18

9 10

19 20

C-06

C-05

<MULTI-CENTRE DISPLAY>

TERMINAL 
NO.

INPUT/
OUTPUT

SIGNAL SYMBOL

TERMINAL 
VOLTAGE 
(V)

HARNESS 
DISCREPANCY

FAILURE SYMPTOM DUE TO 
HARNESS DISCREPANCY

1

Input

Battery (Battery 
power supply)

Battery 
positive 
voltage

Open 
circuit 

−

Screen is not displayed. All 
operations are not possible.

−

Short 
circuit 

Fuse is blown.

2

Input

Ignition switch 
(IG1)

Battery 
positive 
voltage

Open 
circuit 

−

Screen is not displayed. All 
operations are not possible.

−

Short 
circuit 

Fuse is blown.

3

Input

Ignition switch 
(ACC)

Battery 
positive 
voltage

Open 
circuit 

−

Screen is not displayed. All 
operations are not possible.

−

Short 
circuit 

Fuse is blown.

4

Input

ILL + (lighting 
switch)

Hi: Battery 
positive 
voltage
Lo: 0 

− 1

Open 
circuit 

Short 
circuit 

Not lighted.

5

Output

ILL - (illumination 
light control 
signal)

0.4

Open 
circuit 

Short 
circuit 

display brightness control is 
not possible.

6

−

GND

0

Open 
circuit

−

Screen is not displayed.

7 Input/out

put

SB3

−

−

−

−

8

Input/out
put

M-DATA 
(Audio)(M-BUS 
data signal)

• Hi: 4 − 5

• Lo: 0 − 1

Open 
circuit

Short 
circuit

Multi-centre display

• Frozen screen (screen 

does not change)

• "Communication Error" 

indication

MULTI-CENTER DISPLAY

CHASSIS ELECTRICAL

54A-303

9

Input/out
put

M-CLOCK (A/C) 
(M-BUS clock 
signal)

• Hi: 4 − 5

• Lo: 0 − 1

Open 
circuit

Short 
circuit

Multi-centre display

• Frozen screen (screen 

does not change)

• "Communication Error" 

indication

10

Input/out
put

M-BUSY (Audio)

• Hi: 5

• Lo: 0 − 1

Open 
circuit

Short 
circuit

Multi-centre display

• Frozen screen (screen 

does not change)

• "Communication Error" 

indication

11

No connection

14 

− 20

No connection

TERMINAL 
NO.

INPUT/
OUTPUT

SIGNAL SYMBOL

TERMINAL 
VOLTAGE 
(V)

HARNESS 
DISCREPANCY

FAILURE SYMPTOM DUE TO 
HARNESS DISCREPANCY

MULTI-CENTER DISPLAY

CHASSIS ELECTRICAL

54A-304

SPECIAL TOOLS

M1543000601782

TOOL

TOOL NUMBER 
AND NAME

REPLACED BY 
MILLER TOOL 
NUMBER

APPLICATION

MB991958

A: MB991824
B: MB991827
C: MB991910
D: MB991911
E: MB991914
F: MB991825
G: MB991826

MUT-III sub assembly

A: Vehicle 

communication 
interface (V.C.I.)

B: MUT-III USB cable
C: MUT-III main 

harness A 
(Vehicles with CAN 
communication 
system)

D: MUT-III main 

harness B 
(Vehicles without 
CAN 
communication 
system)

E: MUT-III main 

harness C (for 
daimler chrysler 
models only)

F: MUT-III 

measurement 
adapter

G: MUT-III trigger 

harness

MB991824-KIT

NOTE: G: MB991826 
MUT-III Trigger Harness 
is not necessary when 
pushing V.C.I. ENTER 
key.

Reading diagnostic 
trouble code

CAUTION

MUT-III main harness A 
(MB991910) should be 
used. MUT-III main 
harness B and C 
should not be used for 
this vehicle.

MB991910

MB991826

MB991958

MB991911

MB991914

MB991824

MB991827

MB991825

DO NOT USE

A

B

C

D

E

F

G

DO NOT USE

MULTI-CENTER DISPLAY

CHASSIS ELECTRICAL

54A-305

MB991223
A: MB991219
B: MB991220 
C: MB991221
D: MB991222 

Harness set

A: Test harness
B: LED harness
C: LED harness 

adapter

D: Probe

General service tool 
(jumper)

Making voltage and 
resistance 
measurements during 
troubleshooting

A: Connect pin contact 

pressure inspection

B: Power circuit 

inspection

C: Power circuit 

inspection

D: Commercial tester 

connection

TOOL

TOOL NUMBER 
AND NAME

REPLACED BY 
MILLER TOOL 
NUMBER

APPLICATION

MB991223

A

D

C

B

AF