Mitsubishi L200. Manual - part 743

 

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Mitsubishi L200. Manual - part 743

 

 

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-339

DIAGNOSIS PROCEDURE

STEP 1. Checking with speaker test
Perform the speaker test, and check which speaker 
does not output the sound. Refer to 

P.54A-305

.

NOTE: In the following procedure, check the speaker 
or tweeter that is abnormal.

Q: Is the check result normal?

YES : 

The trouble can be an intermittent 

malfunction (Refer to GROUP 00 

− How to 

Cope with Intermittent Malfunction ).

NO (Either a speaker is abnormal) : 

Go to Step 2.

STEP 2. Connector check: E-19 <front-LH>, E-11 
<front-RH>, E-22 <rear-LH>, E-09 <rear-RH>, door 
speaker connector, E-24 <LH>, E-25 <RH> front 
tweeter connector

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the defective connector.

STEP 3. Check the speaker or tweeter.
(1) Remove the speaker or tweeter. Refer to 

P.54A-

AC502334AB

Harness side

Connector: E-09

AC509954AR

Harness side

Connectors: E-11, E-25

E-11

E-11

Harness side

E-25

E-25

AC509952

Connectors: E-19, E-24

AS

Harness side

Harness side

E-19

E-24

E-24

E-19

AC502333AB

Connector: E-22

Harness side

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-340

445

.

(2) Check that the speaker or tweeter outputs the 

noise when the voltage of 5 V is applied to the 
speaker or tweeter connector terminal.

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Replace the speaker or tweeter.

STEP 4. Connector check: C-170 multivision 
display connector.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the defective connector.

AC903853

AV

Connector: C-170 <LHD>

C-170 (GR)

Harness side

AC903868

BF

Connector: C-170 <RHD>

C-170 (GR)

Harness side

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-341

STEP 5. Check the wire harness between the 
speaker or tweeter connector terminal and the 
multivision display connector terminal.
Check the communication lines for open circuit and 
short circuit.

MITSUBISHI MULTI COMMUNICATION SYSTEM (MMCS)

CHASSIS ELECTRICAL

54A-342

AC903939

Connectors: C-15, C-58, C-170 <LHD>

AB

C-58

C-15

C-15

C-58

C-170

C-170 (GR)

Harness side

AC903891

Connectors: C-15, C-58, C-170 <RHD>

AC

C-58

C-15

C-15

C-58

C-170

C-170 (GR)

Harness side

AC509952

Connector: E-19

AB

Harness side

 

 

 

 

 

 

 

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