Mitsubishi Lancer (4A9 engine). Manual - part 190

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-422

C-143

C-144

C-152

Terminal 
No.

Signal symbol

Check condition

Terminal voltage

21

BATTERY (+)

Always

System voltage

24

PS-R

Sift lever <M/T> or selector 
lever < A/T, CVT>: R position
Ignition switch: ON position

Hi : 5Mid : OpenLo : 1 V or 
less

25

GND

Always

1 V or less

Terminal 
No.

Signal symbol

Check condition

Terminal voltage

2

SPEAKER RL (

−)

When the sound is output

0 - System voltage (AC)

3

SPEAKER FL (

−) 

When the sound is output

0 - System voltage (AC)

6

AMP DATA

Ignition switch: ON

0 - System voltage (DC)

7

SPEAKER FR (

−) 

When the sound is output

0 - System voltage (AC)

8

SPEAKER RR (

−)

When the sound is output

0 - System voltage (AC)

9

MAIN GND

Always

1 V or less

10

ILLUMINATION (+)

Tail lamp switch: ON

System voltage (DC)

11

SPEAKER RL (+)

When the sound is output

0 - System voltage (AC)

12

SPEAKER FL (+) 

When the sound is output

0 - System voltage (AC)

13

VSS 

Ignition switch: ON

0 - System voltage (pulse)

14

ACCESSORY (+)

Ignition switch: ACC position

System voltage (DC)

15

SPEAKER FR (+) 

When the sound is output

0 - System voltage (AC)

16

SPEAKER RR (+)

When the sound is output

0 - System voltage (AC)

17

BATTERY (+)

Always

System voltage (DC)

Terminal 
No.

Signal symbol

Check condition

Terminal voltage

1

VCC (RC 6.5v)

• Ignition switch: ACC position

• Sift lever <M/T> or selector 

lever <CVT>: R position

5.8 - 7.0V (DC)

2

GND

Always

1 V or less

3

CAMERA SIGNAL

• Ignition switch: ACC position

• Sift lever <M/T> or selector 

lever <CVT>: R position

1Vp-p (AC)

5

SEIELD (CAMERA)

Always

1 V or less

6

CAMERA DETECT

• Ignition switch: ACC position

• Sift lever <M/T> or selector 

lever <CVT>: R position

5V (DC)

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-423

CAN BOX UNIT <VEHICLES FOR RUS-
SIA>

C-54

REMOVAL AND INSTALLATION

M1546001000897

MULTIVISION DISPLAY

AC611333

C-54

Terminal 
No.

Signal symbol

Check condition

Terminal voltage

1

GND

Always

1 V or less

2

BATTERY (+)

Always

System voltage (DC)

4

TX (AND)

Ignition switch: ACC position

0 - 5V (DC)

5

RX (AND)

Ignition switch: ACC position

2 - System voltage (DC)

6

CAN-BOX DATA CLK

Ignition switch: ACC position

1 - 5V (DC)

8

CAN-H

−

−

9

CAN-L

−

−

10

ACCESSORY (+)

Ignition switch: ACC position

System voltage (DC)

Pre-removal operation
• Removal of Instrument centre panel (Refer to GROUP 

52A 

− Instrument Centre Panel assembly )

Post-installation operation
• Installation of Instrument centre panel (Refer to GROUP 

52A 

− Instrument Centre Panel assembly )

AC709965

2

7

4

3.0 ± 1.0 N·m

6

5

1

3

3.0 ± 1.0 N·m

3.0 ± 1.0 N·m

1.5 ± 0.5 N·m

1.5 ± 0.5 N·m

8

AB

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-424

INSTALLATION SERVICE POINT

>>A<< MULTIVISION DISPLAY

The connectors, antenna and cables connected to 
the multivision display are shown in the figure.

GPS antenna

Removal Steps 

1.

Multivision display assembly

>>

A

<<

2.

Multivision display

3.

CAN box unit assembly <Vehicles 
for RUSSIA>

4.

CAN box unit <Vehicles for 
RUSSIA>

5.

CAN box unit bracket <Vehicles for 
RUSSIA>

6.

Bracket (LH/RH)

7.

Navigation harness

8.

TMC cable

Removal Steps (Continued)

AC802116

Connector: C-141

Connector: C-144

Connector: C-142

Radio antenna

No connection

No connection

GPS antenna

TMC cable

TMC cable

Connector: C-143

AI

Pre-removal operation
• Removal of multivision display assembly

Post-installation operation
• Installation of multivision display assembly

AC709281

1

1.5 ± 0.5 N·m

Removal Step 

1.

GPS antenna

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-425

Audio and video adaptor

INSPECTION

AUDIO AND VIDEO ADAPTER 
INSPECTION

M1546312900011

1. Remove the audio and video adapter.(Refer to .)
2. Check that continuity exists between the terminal 

and the pin jack of audio and video adapter.

Pre-removal operation
• Removal of instrument panel centre lower (Refer to 

GROUP 52A 

− Instrument Centre Panel assembly )

Post-installation operation
• Installation of instrument panel centre lower (Refer to 

GROUP 52A 

− Instrument Centre Panel assembly )

AC800095AB

1

1

A

A

A

A

1

Claw

Claw

Note
         : Claw positions

Section A – A

<Vehicles without instrument 

   panel console box>

<Vehicles with instrument 

   panel console box>

Removal Step 

1.

Audio and video adaptor

AC707484

AUDIO

L (MONO)

AUDIO

R

VIDEO

IN

Yellow

1

2

3

4

5

AB

6

Pin Jack 

Pin Jack 

Red

White

The connection position 
of pin jack side circuit 
tester

Terminal 
number

Measurem
ent value

1

2

Continuity 
exists (2 

Ω 

or less)

2

1

3

5

4

4

5

5

6

6