Mitsubishi Montero Sport (2004+). Manual — part 552
RADIO AND TAPE PLAYER
TSB Revision
CHASSIS ELECTRICAL
54-195
RADIO AND
CD PLAYER
REAR DOOR
SPEAKER
FRONT
DOOR
SPEAKER
FRONT SPEAKER
TWEETER
(LH)
FRONT
DOOR
SPEAKER
(RH)
(LH)
(LH)
TWEETER
(RH)
(RH)
AMPLIFIER
DIN CABLE
(LH)
(RH)
Speaker System Circuit <Vehicles with Amplifier>
RADIO AND TAPE PLAYER
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CHASSIS ELECTRICAL
54-196
.
CIRCUIT OPERATION
<Vehicles without amplifier>
The sound is heard from the speaker according to
audio signal output from the radio and CD player.
<Vehicles with amplifier>
The sound signals are sent from the radio and CD
player into the amplifier. After the signals are
amplified and filtered, the sound signals are sent
to the speaker.
.
AC003498
AC
CONNECTORS: C-12, C-20
C-12
C-20 (B)
AC003500
CONNECTORS: C-36, C-39, C-43
C-39
C-36 (B)
C-43
AD
AC003499
CONNECTORS: E-01, E-11
E-11
E-01
AB
AC003501
CONNECTORS: E-31, E-43
E-43
E-31
AB
AC003492
AD
CONNECTORS: F-03, F-13
FRONT
DOOR (LH)
F-03
F-13 (B)
AC003496
AC
CONNECTOR: F-10
REAR
DOOR
(LH)
F-10 (B)
AC003493
AC
CONNECTORS: F-16, F-25
F-16
F-25 (B)
AC003497AD
CONNECTOR: F-22
REAR
DOOR
(RH)
F-22 (B)
RADIO AND TAPE PLAYER
TSB Revision
CHASSIS ELECTRICAL
54-197
TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a faulty speaker circuit sys-
tem.
.
TROUBLESHOOTING HINTS
• Malfunction of the speaker
• Damaged harness wire or connector
• Malfunction of the radio and CD player
• Malfunction of the amplifier <vehicles with ampli-
fier>
• Malfunction of the DIN cable <vehicles with
amplifier>
.
DIAGNOSIS
STEP 1A. Check which speaker has no sound on the
vehicles without amplifier.
(1) Use the speaker test to determine which speaker does not
sound.
Q: Which speaker has no sound on the vehicles without
amplifier?
Front door speaker (LH) and/or tweeter (LH) : Go to Step
Front door speaker (RH) and /or tweeter (RH) : Go to
Step 7.
Rear door speaker (LH) : Go to Step 12.
Rear door speaker (RH) : Go to Step 17.
STEP 1B. Check which speaker has no sound on the
vehicles with amplifier.
(1) Use the speaker test to determine which speaker does not
sound.
Q: Which speaker has no sound on the vehicles with
amplifier?
Front speaker (LH) and /or tweeter (LH) : Go to Step 22
Front speaker (RH) and /or tweeter (RH) : Go to Step 27
Front door speaker (LH) : Go to Step 32.
Front door speaker (RH) : Go to Step 37.
Rear door speaker (LH) : Go to Step 42.
Rear door speaker (RH) : Go to Step 47.
STEP 2. Check the speaker.
(1) Remove the speaker.
(2) Check that the speaker generates noise when a five-volt
voltage is applied on the front door speaker terminal.
Q: Is the speaker generating noise?
YES : Go to Step 3.
NO : Replace the speaker. The speaker should sound.
ACX01868AB
5V
RADIO AND TAPE PLAYER
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CHASSIS ELECTRICAL
54-198
STEP 3. Check tweeter (LH) connector F-03 and/or front
door speaker (LH) connector F-13 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are harness connectors F-03 and F-13 in good
condition?
YES : Go to Step 4.
NO : Repair or replace them. Refer to GROUP 00E,
Harness Connector Inspection
. The front
door speaker (LH) and/or tweeter (LH) should sound.
STEP 4. Check the harness wires between radio and CD
player connector C-62 (terminal No.5 and 13) and tweeter
(LH) connector F-03 (terminal No.1 and 2) and/or front door
speaker (LH) connector F-13 (terminal No.1 and 2).
AC200782
2 1
2
1
CONNECTORS: F-03, F-13
F-03
F-13 (B)
AB
F-03
COMPONENT SIDE
F-13
COMPONENT SIDE
FRONT
DOOR (LH)
AC200783
1
7
2
8
10
11
5
13
6
14
12
4
9
3
CONNECTOR: C-62
COMPONENT SIDE
AB
C-62
AC200782
2 1
2
1
CONNECTORS: F-03, F-13
F-03
F-13 (B)
AB
F-03
COMPONENT SIDE
F-13
COMPONENT SIDE
FRONT
DOOR (LH)
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