MITSUBISHI MONTERO 2000 Service Repair Manual

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R532880 D
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R532881 D
U-4 35-2

CHASSIS ELECTRICAL -Clock or Center Display54A-54
BEFORE REMOVING THE BATTERY
The Center display has a large amount of data unique to the vehicle in its memory. When the battery
cable is disconnected, that memory is affected as shown in the table below. Accordingly, it is necessary
to make sure that you take notes of important information before disconnecting the battery cable.
FunctionInput function/memoryWhen battery cable is disconnected
Clock set on displayCurrent timeRetains data for approx. 1 hour
Vehicle model setShort (3-door models)/long (5-door
models)Retains data for approx. 1 hour
Brightness set for displayPosition set on displayRetains data for approx. 1 hour
Unit set for trip computerkm or mile, L/100km or mpg or km/L
Average vehicle speed after resetRetains data for approx. 1 hour
Average vehicle speed on displayAverage vehicle speed after resetRetains data for approx. 1 hour
Average fuel consumption on displayAverage fuel consumption after resetRetains data for approx. 1 hour
Cruising range on displayCruising range, fuel economyRetains data for approx. 1 hour
Outside temperature on displayOutside temperature after the ignition
switch is turned to the OFF(LOCK)
position.Retains data for approx. 1 hour
* The outside temperature sensor
is located near the engine.
Therefore, incorrectly high
temperature may be displayed
when the battery cable is
reconnected within one hour.
DIAGNOSIS FUNCTION FOR CENTER DISPLAY
Center display has the following diagnosis function:
FunctionContents
Service functionThere are the following 4 diagnosis modes available
1. Check of vehicle informationThe vehicle, short (3-door models)/long (5-door models) set
2. Check of LCD segmentsThe LCD segments for display available to light on or not
3. Check of sensorsOutside temperature, voltage of fuel gauge unit, system voltage, fuel amount
remains, fuel economy calculated after supply of fuel
4. Check of units connected into
the center displayThe units connected on display
Voltage (%) on terminal for MUT-II
Vehicle speed signal sent by engine-ECU
Oscillating signal


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M
R532881 M
R532880 V
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35 -2
C K 4
35 -1
C K SH O RT 4
35 -1
C K LO NG

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R532880 P
etr o l- p ow ere d ve hic le s S
hort w heelb ase L
ong wheelb ase V
olt a ge of fu elg auge unit [V ]
+ 0.2 /- 0 .2 V 8
0 - 0
.3 7
0 - 0
.7 6
0 0
.4 0
.9 5
0 0
.8 1
.2 4
0 1
.2 1
.5 3
0 1
.6 1
.9 2
0 2
.0 2
.3 1
0 2
.5 2
.7 5 2
.8 2
.9 0 3
.0 3
.1 1
2.0 V 1
3.2 V 1
4.4 V F
uelg auge unit 1
.8 V 2
.0 V 2
.2 V

I
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O utp ut S
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v o lt a ge (V ) W
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c ir c u it S
hort
c ir c u it 1
-4 - - - - -
5 I
n put I
S O K H
i: Syste m
v o lt a ge
L o:0 -1 E
xis ts E
xis ts M
UT-II ca nnot be use d to ch eck th e
e ngin e-E C U. 6 - - - - -
7 I
n put/
O utp ut M
-D ATA
( A U DIO ) H
i: 4-5
L o:0 -1 E
xis ts E
xis ts A
udio dis p la y does not appear. Panel
s w it c h ca nnot be opera te d fo r audio unit .
N ig httim eillu m in atio n does nota ppear fo r
a udio unit . 8 I
n put/
O utp ut M
-C LO CK
( A U DIO ) H
i: 4-5
L o:0 -1 E
xis ts E
xis ts A
udio dis p la y does not appear. Panel
s w it c h ca nnot be opera te d fo r audio unit .
N ig httim eillu m in atio n does nota ppear fo r
a udio unit . 9 I
n put/
O utp ut M
-D ATA
( A /C ) H
i: 4-5
L o:0 -1 E
xis ts E
xis ts A
/C dis p la y does notappear.
O uts id e air te m pera tu re does not appear 1
0 I
n put/
O utp ut M
-C LO CK
( A U DIO ) H
i: 4-5
L o:0 -1 E
xis ts E
xis ts A
/C dis p la y does notappear.
O uts id e air te m pera tu re does not appear 1
1 -1 4 - - - - - -

CHASSIS ELECTRICAL -Clock or Center Display54A-60
Terminal
No.Input/
OutputSignal symbolTerminal
voltage (V)Wiring harness
problemTrouble symptom caused by wiring
harness problem
Open
circuitShort
circuit
15Input/
OutputKHi: System
voltage
Lo: 0-1ExistsExistsValues on trip information screen (average
vehicle speed, fuel consumption and
cruising distance) are abnormal. Commu-
nication is impossible between the
engine-ECU and the MUT-II.
16------
17Input/
OutputM-BUSY
(AUDIO)Hi: 4-5
Lo: 0-1ExistsExistsAudio display does not appear. Panel
switch cannot be operated for audio unit.
Nighttime illumination does not appear for
audio unit.
18-SHIELD-GND----
19Input/
OutputM-BUSY
(A/C)Hi: 4-5
Lo: 0-1ExistsExistsA/C display does not appear.
Outside air temperature does not appear
20-SHIELD-GND----
21, 22------
23InputEX-TEMPExistsExistsOutside air temperature does not appear.
24InputILL+Hi: System
voltageExists-Nighttime illumination does not appear for
audio units.
Lo: 0-1
-ExistsBlown multipurpose fuse.
25InputACC (ACCSystem volt-Exists-Screen display does not appear.
power supply)age
-ExistsBlown multipurpose fuse.
26Input+BSystem volt-Exists-Screen display does not appear.
age
-ExistsBlown multipurpose fuse.
27InputVSSHi: System
voltage
Lo: 0-1ExistsExistsAbnormal outside air temperature ap-
pears.
(only diesel-powered vehicles)
28-GND (earth)-Exists-Screen display does not appear.
29, 30------
31-GND-TEMPExistsExistsOutside air temperature does not appear.
32InputILL -ExistsExistsThe display screen can not be dimmed.
33InputFUEL GAUGE-ExistsAbnormal cruising distance appears.
34, 35------
36InputIG1Hi: System
voltageExists-Communication with engine-ECU is im-
possible. Abnormal driving data values
appear.
-ExistsCommunication with engine-ECU is im-
possible. Abnormal driving data values
appear. Blown multipurpose fuse.


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