2000 MITSUBISHI MONTERO Service Repair Manual

M
R532881 M
R532880 V
ehic le ty p e D
ie se l- p ow ere d ve hic le s P
etr o l- p ow ere d ve hic le s S
hort w heelb ase L
ong wheelb ase D
is p la y 4
35 -2
C K 4
35 -1
C K SH O RT 4
35 -1
C K LO NG

M
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
n put/
O utp ut S
ig nalsym bol T
e rm in al
v o lt a ge (V ) W
ir in g harn ess
p ro ble m T
ro uble sym pto m ca use d by wir in g
h arn ess pro ble m O
pen
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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CHASSIS ELECTRICAL -Clock or Center Display54A-61
INSPECTION CHART CLASSIFIED BY TROUBLE SYMPTOMS
Related unitTrouble SymptomInspection pro-
cedure No.Reference
page
Malfunction of center
display, related sen-No display appears after the ignition key is turned to the
ACC position.154A-62
sors, and wiring har-
nesses
Outside air temperature does not appear or abnormal
outside air temperature appears.254A-62
Abnormal vehicle speed is displayed on the service
mode.354A-63
Abnormal driving data are displayed:
D
Abnormal average fuel consumption (momentary
fuel consumption) and average vehicle speed
D
Abnormal cruising distance454A-64
Clock runs fast or slow.554A-64
The display screen is dim.654A-65
Air conditioning display does not apper.754A-66


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CHASSIS ELECTRICAL -Clock or Center Display54A-62
INSPECTION PROCEDURE 1
No display appears after the ignition key is turn to the ACC position.
OK
Measure voltages between D-03 display connector terminal (25),
(26) voltage and earth.
DIgnition switch: ACC
OK:System voltageNGRepair the fuse and wiring harness.
OK
Measure resistance between D-03 display connector terminal (28)
and earth.
OK:approx. 0
WNGRepair the wiring harness.
OK
Repair the center display unit.
Check the following connector: D-03NGRepair
INSPECTION PROCEDURE 2
Outside air temperature does not appear or abnormal outside air temperature appears.

Check the following connector: D-03NGRepair.
NO
Go to inspection procedure 3.
Check the wiring harness between the
Center Display and the outside air tem-
perature sensor.OKReplace the center display unit.OKEnd
NG
Replace the outside air temperature
sensor.NG
Check the wiring harness between the
center display unit and the outside air
temperature sensor, and replace if nec-
essary.
OK
Is a correct outside air temperature dis-
played in the servicemode?YESIs a correct vehicle speed displayed in
the servicemode?YESEnd (no abnormality).
NO

Select “Check of units connected into
the center display” on the service mode.
Does the symbol “AU” appear?NOGo to inspection procedure 7.
YES
Replace the center display unit.
YES
MUT-
IISelf-Diag code
Is A/C diagnosis code No.13 or 14 set?YESCheck the outside air temperature sen-
sor. (Refer to GROUP 55B.)
NO
Is a correct vehicle speed displayed in
the servicemode?NOGo to inspection procedure 3.
NOTE: It is necessary to drive for a while and get accurate temperature in display if you pass a area
in which temperature is much different. It might show high temperature on display in case it is high
around sensor due to high temperature of engine after battery is exchanged, or a display unit is reinstalled.


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