Mitsubishi Outlander XL. Manual - part 1061

Inspection Procedure 2: During the conversation with the hands-free system, the
speaker’s voice cannot be heard by the other party.

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Hands Free Cellular Phone System Circuit

MICROPHONE 
UNIT

HANDS 
FREE 
MODULE

RADIO AND CD
CHANGER

AUDIO VISUAL 
NAVIGATION UNIT

<VEHICLES WITH 
  MITSUBISHI
  MULTI-COMMUNICATION 
  SYSTEM (MMCS)>

<VEHICLES WITHOUT 
  MITSUBISHI
  MULTI-COMMUNICATION 
  SYSTEM (MMCS)>

ACCESSORY

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HANDS-FREE CELLULAR PHONE SYSTEM

ZC6008760005

Connector: C-121

ZC6008790017

Connector: D-01

 

FUNCTION
During the conversation with the hands-free system,
the signal of speaker's voice is transmitted from the
microphone unit to the hands-free module. Then the
signal  is  transmitted  from  the  hands-free  module  to
the cellular phone.

TROUBLE JUDGMENT CONDITIONS
During the conversation with the hands-free system,
if the speaker's voice cannot be heard by the other

party, the hands-free module or microphone unit may
be defective.

TROUBLESHOOTING HINTS

｠

Malfunction of the hands-free module

｠

Malfunction of the microphone unit

｠

Damaged harness wires and connectors

DIAGNOSIS

Required Special Tools:

｠

MB991223: Harness Set

｠

MB992006: Extra Fine Probe

STEP 1. Check the cellular phone.
Check that the cellular phone can be used normally as a unit.

Q:Is it possible to use the cellular phone normally?

YES:

 Go to Step 2.

NO:

 Repair or replace the cellular phone.

STEP 2. Check hands-free module connector C-121 and
microphone unit connector D-01 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.

Q:Are hands-free module connector C-121 and microphone

unit connector D-01 in good condition?

YES:

 Go to Step 3.

NO:

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

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

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HANDS-FREE CELLULAR PHONE SYSTEM

STEP 3. Check the wiring harness between hands-free
module connector C-121 and microphone unit connector
D-01.

(1)

Disconnect  hands-free  module  connector  C-121  and
microphone  unit  connector  D-01,  and  check  the  wiring
harness.

NOTE: 

Also check intermediate connector C-36 for loose,

corroded, or damaged terminals, or terminals pushed back
in the connector. If intermediate connector C-36 is
damaged, repair or replace the connector as described in
GROUP 00E, Harness Connector Inspection P.00E-2.

(2)

Check  the  wiring  harness  between  hands-free  module
connector  C-121  (terminal  No.1)  and  microphone  unit
connector D-01 (terminal No.22)

(3)

Check  the  wiring  harness  between  hands-free  module
connector  C-121  (terminal  No.1)  and  microphone  unit
connector D-01 (terminal No.23)

(4)

Check  the  wiring  harness  between  hands-free  module
connector  C-121  (terminal  No.2)  and  microphone  unit
connector D-01 (terminal No.24)

Q:Is  the  wiring  harness  between  hands-free  module

connector C-121 and microphone unit connector D-01 in

good condition?

YES:

 Go to Step 4.

NO:

 The wiring harness may be damaged or the connector

(s) may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the wiring
harness as necessary.

STEP 4. Temporarily replace the microphone unit, and
check the trouble symptom.
Check that the normal conversation is possible with the hands-
free system.

Q:Is the normal conversation possible with the hands-free

system?

YES:

 Replace the microphone unit.

NO:

 Replace the hands-free module.

Inspection Procedure 3: During the conversation with the hands-free system, the voice
of other party cannot be heard.

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FUNCTION
During the conversation with the hands-free system,
the voice signal of other party is transmitted from the
cellular  phone  to  the  hands-free  module.  Then,  the
signal  is  transmitted  from  the  hands-free  module  to
the radio and CD changer <vehicles without MMCS>

or audio visual navigation unit <vehicles with MMCS>,
and then output from the speaker.

ACCESSORY

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HANDS-FREE CELLULAR PHONE SYSTEM

TROUBLE JUDGMENT CONDITIONS
During the conversation with the hands-free system,
if the voice of other party cannot be heard, the hands-
free module, or the radio and CD changer <vehicles
without  MMCS>  or  audio  visual  navigation  unit
<vehicles with MMCS> may be defective.

TROUBLESHOOTING HINTS

｠

Malfunction of the hands-free module

｠

Malfunction of the radio and CD changer <vehicles
without  MMCS>  or  audio  visual  navigation  unit
<vehicles with MMCS>

DIAGNOSIS

STEP 1. Check the cellular phone.
Check that the cellular phone can be used normally as a unit.

Q:Is it possible to use the cellular phone normally?

YES:

 Go to Step 2.

NO:

 Repair or replace the cellular phone.

STEP 2. Check the radio and CD changer <vehicles without
MMCS> or audio visual navigation unit <vehicles with
MMCS>.
Check that the sound of radio and CD changer <vehicles without
MMCS> or audio visual navigation unit <vehicles with MMCS>
is output normally from the speaker.

Q:Is the sound of radio and CD changer <vehicles without

MMCS>  or  audio  visual  navigation  unit  <vehicles  with

MMCS> output normally from the speaker?

YES:

 Replace the hands-free module.

NO:

 Diagnose the radio and CD changer <vehicles without

MMCS> or audio visual navigation unit <vehicles with
MMCS>. Refer to GROUP 54B, Radio and CD player -
Diagnosis P.54B-18<vehicles without MMCS> or MMCS -
Diagnosis P.54B-74<vehicles with MMCS>.

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HANDS-FREE CELLULAR PHONE SYSTEM