Mitsubishi Montero (2004+). Manual — part 557
VIDEO ENTERTAINMENT SYSTEM (VES)
TSB Revision
CHASSIS ELECTRICAL
54A-197
.
CIRCUIT OPERATION
The video entertainment system is powered by the
ignition switch (ACC) and the battery.
.
TECHNICAL DESCRIPTION (COMMENT)
The ground circuit, the battery circuit, the ignition
switch (ACC) circuit is suspected to be open or
defective.
.
TROUBLESHOOTING HINTS
• Malfunction of the DVD player
• Malfunction of the video controller unit
• Malfunction of the rear display
• Damaged wiring harness and connectors
.
DIAGNOSIS
Required Special Tool:
• MB991223: Harness Set
STEP 1. Check the DVD player connector D-33 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is the DVD player connector D-33 in good condition?
YES : Go to Step 2.
NO : Repair or replace the component(s). Refer to GROUP
00E, Harness Connector Inspection
rear display works normally.
AC309207
AE
CONNECTORS: D-02, D-28, D-30
D-02
D-28
D-30
AC309207
AF
CONNECTORS: D-33, D-34, D-125, D-139
D-33
D-34
D-125
D-139
AC309217AB
CONNECTORS: D-208, D-221
JUNCTION BLOCK
(FRONT VIEW)
D-208
D-221
AC309223
F-33 (B)
F-32 (B)
F-34
F-35
F-37
AG
CONNECTORS: F-32, F-33, F-34, F-35, F-37
AC309207
AB
CONNECTOR: D-33
HARNESS SIDE
14
7
1
8
11
12
13
9
10
4
6 5
3 2
VIDEO ENTERTAINMENT SYSTEM (VES)
TSB Revision
CHASSIS ELECTRICAL
54A-198
STEP 2. Measure at DVD player connector D-33 in order to
power supply circuit to DVD player (ACC).
(1) Disconnect DVD player connector D-33, and measure at
the wiring harness side.
(2) Turn the ignition switch to "ACC" position.
(3) Measure the voltage between terminal 6 and ground.
• The voltage should measure approximately 12 volts
(battery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery
positive voltage)?
YES : Go to Step 4.
NO : Go to step 3.
STEP 3. Check the wiring harness between DVD player
connector D-33 (terminal 6) and ignition switch (ACC).
AC309207
AB
CONNECTOR: D-33
HARNESS SIDE
14
7
1
8
11
12
13
9
10
4
6 5
3 2
AC209365
14
7
1
8
11
12
13
9
10
4
6 5
3 2
CONNECTOR D-33
(HARNESS SIDE)
IZ
AC309207
AB
CONNECTOR: D-33
HARNESS SIDE
14
7
1
8
11
12
13
9
10
4
6 5
3 2
VIDEO ENTERTAINMENT SYSTEM (VES)
TSB Revision
CHASSIS ELECTRICAL
54A-199
NOTE: Also check joint connector (7) D-02, intermediate con-
nector D-28 and junction block D-221 and D-208 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If joint connector (7) D-02 or intermediate connector
D-28 or junction block D-221 and D-208 is damaged, repair or
replace. Refer to GROUP 00E, Harness Connector Inspection
.
Q: Is the wiring harness between DVD player connector
D-33 (terminal 6) and the ignition switch (ACC) in good
condition?
YES : Go to Step 4.
NO : Repair the wiring harness. The rear display works
normally.
AC309208
HARNESS SIDE
D-02
D-28
AB
CONNECTORS: D-02, D-28
D-02
D-28
AC309218
CONNECTORS: D-208, D-221
JUNCTION BLOCK
(FRONT VIEW)
D-221
D-208
HARNESS SIDE
D-208
D-221
HARNESS SIDE
AB
VIDEO ENTERTAINMENT SYSTEM (VES)
TSB Revision
CHASSIS ELECTRICAL
54A-200
STEP 4. Measure at DVD player connector D-33 in order to
power supply circuit to DVD player (battery power supply).
(1) Disconnect combination meter connector D-33, and
measure at the wiring harness side.
(2) Turn the ignition switch to "LOCK" (OFF) position.
(3) Measure the voltage between terminal 14 and ground.
• The voltage should measure approximately 12 volts
(battery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery
positive voltage)?
YES : Go to Step 6.
NO : Go to step 5.
STEP 5. Check the wiring harness between DVD player
connector D-33 (terminal 14) and fuse No.18.
AC309207
AB
CONNECTOR: D-33
HARNESS SIDE
14
7
1
8
11
12
13
9
10
4
6 5
3 2
AC209365
14
7
1
8
11
12
13
9
10
4
6 5
3 2
JA
CONNECTOR D-33
(HARENSS SIDE)
AC309207
AB
CONNECTOR: D-33
HARNESS SIDE
14
7
1
8
11
12
13
9
10
4
6 5
3 2
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