Mitsubishi Galant (2004+). Manual — part 1483
RADIO WITH CD PLAYER
TSB Revision
CHASSIS ELECTRICAL
54A-175
STEP 19. Check the wiring harness between rear speaker
(RH) connector D-09 (terminals 1 and 2) and radio and CD
player connector C-111 (terminals 1 and 7).
NOTE: Also check intermediate connector C-13 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If intermediate connector C-13 is damaged, repair or
replace the connectors as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between rear speaker (RH)
connector D-09 (terminals 1 and 2) and radio and CD
player connector C-111 (terminals 1 and 7) in good
condition?
YES : Replace the radio and CD player. The rear speaker
(RH) should sound.
NO : Repair the wiring harness. The rear speaker (RH)
should sound.
AC305234
CONNECTORS: C-13, C-111
C-111
HARNESS SIDE
C-13
C-111
3
9
4
12
14
6
13
5
1110
8
2
7
1
AY
C-13
AC305268
AS
CONNECTOR: D-09
HARNESS SIDE
RADIO WITH CD PLAYER
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CHASSIS ELECTRICAL
54A-176
INSPECTION PROCEDURE 7: No Sound from One Speaker. <Vehicles with audio amplifier>
TWEETER
(RH)
FRONT DOOR
SPEAKER (RH)
FRONT DOOR
SPEAKER (LH)
TWEETER
(LH)
AUDIO AMPLIFIER
REAR
SPEAKER (LH)
REAR
SPEAKER (RH)
Speaker System Circuit <Vehicles with Audio Amplifier>
RADIO WITH CD PLAYER
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CHASSIS ELECTRICAL
54A-177
.
CIRCUIT OPERATION
The sound signals are sent from the audio amplifier.
After the signals are amplified and filtered, the sound
signals are sent to the speaker.
.
TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a faulty speaker circuit sys-
tem.
.
TROUBLESHOOTING HINTS
• Malfunction of the speaker.
• Damaged wiring harness or connector.
• Malfunction of the audio amplifier.
AC305233
C-12
C-13
C-108 (B)
C-113
CG
CONNECTORS: C-12, C-13, C-108, C-113
AC305231DA
CONNECTORS: C-26, C-28, C-130
C-26
C-28
C-130
AC305268
D-09
D-12
AT
CONNECTORS: D-09, D-12
AC305333
AM
CONNECTOR: E-02
AC305262
CONNECTOR: E-10
AP
RADIO WITH CD PLAYER
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CHASSIS ELECTRICAL
54A-178
DIAGNOSIS
STEP 1. Check which speaker has no sound on the
vehicles with audio amplifier.
Determine which speaker does not sound.
Q: Which speaker does not sound?
Tweeter (LH) : Go to Step 2.
Tweeter (RH) : Go to Step 5.
Front door speaker (LH) : Go to Step 8.
Front door speaker (RH) : Go to Step 11.
Rear speaker (LH) : Go to Step 14.
Rear speaker (RH) : Go to Step 17.
STEP 2. Check the tweeter (LH).
(1) Remove the tweeter (LH). Refer to
(2) Check that the tweeter (LH) generates noise when a
five-volt voltage is applied on the tweeter (LH) terminal.
Q: Is the tweeter (LH) generating noise?
YES : Go to Step 3.
NO : Replace the tweeter (LH). The tweeter (LH) should
sound.
STEP 3. Check tweeter (LH) connector C-130 and audio
amplifier connector C-113 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Q: Are harness connectors C-130 and C-113 in good
condition?
YES : Go to Step 4.
NO : Repair or replace the component(s). Refer to GROUP
00E, Harness Connector Inspection
. The
tweeter (LH) should sound.
ACX01868AB
5V
AC305233CC
CONNECTOR: C-113
HARNESS SIDE
AC305231CZ
CONNECTOR: C-130
HARNESS SIDE
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