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.
M15410400021USA0000010000
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
54Ae-23
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.
54Ae-24
ACCESSORY
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.
M15410400028USA0000010000
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
54Ae-25
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>.
54Ae-26
ACCESSORY
HANDS-FREE CELLULAR PHONE SYSTEM
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