Mitsubishi 380. Manual — part 912
RADIO WITH CD PLAYER
CHASSIS ELECTRICAL
54A-182
STEP 7. Check the wiring harness between radio and CD
player or radio, CD player and CD changer connector
C-111 (terminal 10) and ignition switch (ACC).
NOTE: Also check intermediate connector C-29 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If intermediate connector C-29 is damaged, repair or
replace the connector as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between radio and CD player or
radio, CD player and CD changer connector C-111
(terminal 10) and ignition switch (ACC) in good
condition?
YES : There is no action to be taken.
NO : Repair the wiring harness. If the power switch is
turned on, the radio and CD player or radio, CD player
and CD changer should operate normally.
STEP 8. Check the installation condition of the radio and
CD player or radio, CD player and CD changer.
NOTE: The radio and CD player or radio, CD player and CD
changer are grounded to the deck crossmember directly.
Q: Are the radio and CD player or radio, CD player and CD
changer installed correctly?
YES : Replace the radio and CD player or radio, CD player
and CD changer. If the power switch is turned on, the
radio and CD player or radio, CD player and CD
changer should operate normally.
NO : Install the radio and CD player or radio, CD player
and CD changer properly. If the power switch is
turned on, the radio and CD player or radio, CD player
and CD changer should operate normally.
54DB041A
HARNESS SIDE
3
9
4
12
14
6
13
5
1110
8
2
7
1
CONNECTOR: C-111
52DB014A
CONNECTOR: C-29
RADIO WITH CD PLAYER
CHASSIS ELECTRICAL
54A-183
INSPECTION PROCEDURE 2: When Remote Controlled Radio Power Switch is Turned "ON," no
Power is Available. But Radio, CD Player and CD Changer Power Switch is Available.
.
CIRCUIT OPERATION
• If the remote controlled radio switch is operated,
the output voltage will change. The radio, CD
player and CD changer operates according to the
change on the voltage. You can switch on the
audio unit, control the mode and volume by the
remote controlled radio switch (RH). You can
select a CD track and pre-set radio station, and
tune it by the remote controlled radio switch (LH).
NOTE: You can switch on the audio unit by the
remote controlled switch, but can not switch it off.
.
TECHNICAL DESCRIPTION (COMMENT)
If the system does not recognise the remote con-
trolled radio switches (RH), the clock spring or the
radio, CD player and CD changer may be defective.
.
TROUBLESHOOTING HINTS
• Refer to circuit diagrams GROUP-
• Refer to configuration diagrams GROUP-
• Malfunction of the remote controlled radio switch
(RH)
• Malfunction of the radio, CD player and CD
changer
• Malfunction of the clock spring
• Damaged wiring harness or connectors
16DB530A
HARNESS SIDE
CONNECTOR: C-117
21
22
23
24
25
26
27
28
29
30
16DB531A
C-301 (B)
C-303 (GR)
C-306
CONNECTORS: C-301, C-303, C-306, C-311
C-311 (B)
RADIO WITH CD PLAYER
CHASSIS ELECTRICAL
54A-184
DIAGNOSIS
Required Special Tool:
• MB991223: Harness set
STEP 1. Measure the voltage at remote controlled radio
switch power supply circuit at the clock spring connector
C-306.
(1) Disconnect the clock spring connector C-306.
(2) Turn the ignition switch to "ON" position.
(3) Measure the voltage between clock spring connector C-306
(radio, CD player and CD changer side) terminal 2 and
ground.
• The measured value should be approximately 5 volts.
Q: Is the measured voltage approximately 5 volts?
YES : Go to Step 4.
NO : Go to Step 2.
16DB532A
CONNECTOR: C-306
AC209365HW
CONNECTOR C-306
RADIO WITH CD PLAYER
CHASSIS ELECTRICAL
54A-185
STEP 2. Check radio, CD player and CD changer connector
C-117 and clock spring connector C-306 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Are radio, CD player and CD changer connector C-117
and clock spring connector C-306 in good condition?
YES : Go to Step 3.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. The remote controlled radio switch should
work normally.
STEP 3. Check the wiring harness between radio, CD
player and CD changer connector C-117 (terminal 30) and
clock spring connector C-306 (terminal 2).
Q: Is the wiring harness between radio, CD player and CD
changer connector C-117 (terminal 30) and clock spring
connector C-306 (terminal 2) in good condition?
YES : Go to Step 4.
NO : Repair the wiring harness. The remote controlled
radio switch should work normally.
16DB530A
HARNESS SIDE
CONNECTOR: C-117
21
22
23
24
25
26
27
28
29
30
16DB532A
CONNECTOR: C-306
16DB530A
HARNESS SIDE
CONNECTOR: C-117
21
22
23
24
25
26
27
28
29
30
16DB532A
CONNECTOR: C-306
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