Mitsubishi Outlander XL. Manual - part 1087

Inspection Procedure 3: No sound is heard from one of the speakers. <Vehicles without
audio amplifier>

M15410800358USA0000010000

Before replacing the ECU, ensure that the power
supply  circuit,  the  ground  circuit  and  the
communication circuit are normal.

AUDIO AND NAVIGATION SYSTEM

54B-29

DIAGNOSIS

Speaker System Circuit

TWEETER
(RH)

RADIO AND CD PLAYER
OR CD CHANGER

REAR DOOR
SPEAKER (LH)

REAR DOOR
SPEAKER (RH)

FRONT DOOR
SPEAKER (RH)

FRONT DOOR
SPEAKER (LH)

TWEETER
(LH)

54B-30

AUDIO AND NAVIGATION SYSTEM

DIAGNOSIS

ZC6008760018

Connectors: C-16, C-20, C-112, C-113

C-20

C-113 (BR)

C-16

C-112

ZC6008750017

Connectors: C-32, C-126, C-127

C-127 (BR)

C-126

C-32

 

ZC6008800004

Connector: D-21

ZC6008790006

Connector: D-36

 

ZC6008810001

Connectors: E-02, E-04, E-10, E-14, E-17, E-24

E-02 (B)

E-14 (B)

E-17

E-24

E-10

E-04

 

COMMENTS ON TROUBLE SYMPTOM
If the sound is not output from one of the speakers,
the  speaker,  AM/FM  radio  and  CD  player,
communication  line  from  the  AM/FM  radio  and  CD
player to the speakers may have a problem.

PROBABLE CAUSES

｠

Malfunction of speaker

｠

Malfunctions of radio and CD player or CD changer

｠

Damaged harness wires and connectors

DIAGNOSIS

Required Special Tools:

｠

MB991223: Harness Set

｠

MB992006: Extra Fine Probe

｠

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

｠

MB991824: Vehicle Communication Interface (V.C.I.)

｠

MB991827: M.U.T.-III USB Cable

AUDIO AND NAVIGATION SYSTEM

54B-31

DIAGNOSIS

｠

MB991910: M.U.T.-III Main Harness A

STEP 1. ETACS-ECU coding data check.

(1)

Operate the scan tool to read the ETACS-ECU option coding
information. (Refer to GROUP 00, Coding Table P.00-34.)

(2)

Check  that  the  "Speaker"  is  set  to  "6  speakers"  or  "4
speakers."

Q:Is the check result normal?

YES:

 Go to Step 2.

NO:

 Operate the scan tool to set the option coding

"Speaker" to "6 speakers" or "4 speakers," and check the
trouble symptom.

STEP 2. Checking with audio speaker check.
Perform  the  audio  speaker  check,  and  check  which  speaker
does not output the sound. Refer to P.54B-163.

Q:Is the check result normal?

YES<normal for all>:

 The trouble can be an intermittent

malfunction (Refer to GROUP 00, How to use
Troubleshooting/inspection Service Points - How to Cope
with Intermittent Malfunction P.00-15).

NO<abnormal for all>:

 Go to Step 27.

NO<only front door speaker (RH) is abnormal>:

 Go to Step

3.

NO<only front door speaker (LH) is abnormal>:

 Go to Step

7.

NO<only rear door speaker (RH) is abnormal>:

 Go to Step

11.

NO<only rear door speaker (LH) is abnormal>:

 Go to Step

15.

NO<only tweeter (RH) vehicles with 6 speakers is
abnormal>:

 Go to Step 19.

NO<only tweeter (LH) vehicles with 6 speakers is
abnormal>:

 Go to Step 23.

STEP 3. Check front door speaker (RH) connector E-04 for
loose, corroded or damaged terminals, or terminals pushed
back in the connector.

Q:Is  front  door  speaker  (RH)  connector  E-04  in  good

condition?

YES:

 Go to Step 4.

NO:

 Repair or replace the damaged component(s). Refer to

GROUP 00E, Harness Connector Inspection P.00E-2.

STEP 4. Front door speaker (RH) check.

(1)

Remove the front door speaker (RH). Refer to P.54B-163.

54B-32

AUDIO AND NAVIGATION SYSTEM

DIAGNOSIS