warning MITSUBISHI MONTERO 2000 Service Workshop Manual
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Page 1558 of 1839
SRS -Troubleshooting52B-6
TROUBLESHOOTING
The following items have been changed. The other items are the same as before.
INSPECTION CHART FOR DIAGNOSIS CODES
Code No.Diagnosis itemReference page
26*,27*, 66, 67Driver’s side pre-tensioner (squib) system52B-7
28*, 29*, 68, 69Front passenger’s side pre-tensioner (squib) system52B-8
56, 57Driver’s side pre-tensioner (squib ignition drive circuit) system52B-9
58, 59Front passenger’s side pre-tensioner (squib ignition drive circuit) system52B-9
NOTE
*: If the system returns to normal, the SRS warning lamp will go out, but the relevant diagnosis code
will be retained in memory.
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Page 1566 of 1839
SRS -Seat Belt Pre-tensioner Disposal Procedures52B-14
SEAT BELT PRE-TENSIONER DISPOSAL PROCEDURES
Before disposing of a vehicle which is equipped
with seat belts with pre-tensioner, or when disposing
of the seat belts with pre-tensioner themselves,the following procedures must be used to deploy
the pre-tensioners before disposal.
UNDEPLOYED SEAT BELT PRE-TENSIONER
DISPOSAL
Caution
1. If the vehicle is to be scrapped or otherwise disposed
of, operate the pre-tensioners inside the vehicle. If
the vehicle is still to be used and only the seat belt
pre-tensioner are to be disposed of, operate the
pre-tensioners outside the vehicle.
2. Since a large amount of smoke is produced when
the pre-tensioner is operated, avoid residential areas
whenever possible.
3. Since there is a loud noise when the pre-tensioners
are operated, avoid residential areas whenever
possible. If anyone is nearby, give warning of the
impending noise.
4. Suitable ear protection should be worn by personnel
performing these procedures or by people in the
immediate area.
DEPLOYMENT INSIDE THE VEHICLE
1. Move the vehicle to an isolated spot.
2. Disconnect the negative ( - ) and positive (+) battery cables
from the battery terminals, and then remove the battery
from the vehicle.
Caution
Wait at least 60 seconds after disconnecting the
battery cables before doing any further work.
(Refer to P.52B-4.)
3. Operate the pre-tensioner as specified in the service
procedures that follows.
(1) Remove the center pillar trim, lower.
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Page 1573 of 1839
54A-3
ON-VEHICLE SERVICE 46......................
Room Lamp Delay-off Time Adjustment
Procedure 46...............................
REAR COMBINATION LAMP 47...........
SPECIAL TOOLS 47...........................
TROUBLESHOOTING 47.......................
REAR COMBINATION LAMP 47................
HIGH-MOUNTED STOP LAMP 48.........
COLUMN SWITCH 48....................
SPECIAL TOOLS 48...........................
COLUMN SWITCH 48..........................
HAZARD WARNING LAMP SWITCH 50....
SPECIAL TOOLS 50...........................
HAZARD WARNING LAMP SWITCH 50.........
HORN 51................................
CIGARETTE LIGHTER 51.................
ACCESSORY SOCKET 51................
RHEOSTAT 52...........................
CLOCK OR CENTER DISPLAY 53........
TROUBLESHOOTING 53.......................
CLOCK OR CENTER DISPLAY 67..............
RADIO/TAPE PLAYER 68.................
TROUBLESHOOTING 68.......................
RADIO AND CD AUTO CHANGER 81..........
FRONT SPEAKERS 82...................
REAR SPEAKERS 82.....................
ANTENNA83 ............................DEFOGGER 86...........................
TROUBLESHOOTING
ON-VEHICLE SERVICE 86.....................
Printed Heater Check 86.....................
Defogger Relay Continuity Check 86...........
DEFOGGER SWITCH 87.......................
SMART WIRING SYSTEM (SWS)
Refer to GROUP 54B ....................
RADIATOR (RADIATOR FAN MOTOR)
Refer to GROUP 14 ......................
AUTOMATIC TRANSMISSION
Refer to GROUP 23 ......................
ANTI-LOCK BRAKE SYSTEM (ABS)
Refer to GROUP 35B ....................
DOOR HANDLE LATCH (DOOR LOCK)
Refer to GROUP 42 ......................
DOOR GLASS-REGULATOR (POWER
WINDOWS)
Refer to GROUP 42 ......................
KEYLESS ENTRY SYSTEM
Refer to GROUP 42 ......................
WINDSHIELD WIPER/WASHER
Refer to GROUP 51 ......................
REAR WIPER/WASHER
Refer to GROUP 51 ......................
SRS AIRBAG Refer to GROUP 52B......
HEATER Refer to GROUP 55.............
AIR CONDITIONER Refer to GROUP 55...
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Page 1599 of 1839
CHASSIS ELECTRICAL-Combination Meter54A-29
Inspection procedure 5
None of the meters and gauges operate.
Probable cause
If the indicators and warning lamps are normal, then the harness
from the power supply (IG1) to the combination meter is normal.D
Malfunction of printed circuit board
D
Malfunction of harness or connector
NGRepair NG
OK
Check the trouble symptoms.Repair
OK
Check the harness between the combination meter and body
earth.
Check the following connectors:D-27, D-233, D-218, D-01,
D-03
NG
Check the harness between fusible link No. 2 and the
combination meter.
Replace the combination meter case.
Inspection procedure 6
Vehicle speed sensor check
The vehicle speed sensor is used by the speedometer, engine-ECU and A/T-ECU.
NG
Check the harness between the vehicle speed sensor and
body earth, and repair if necessary.
RepairNG
OK
Check the trouble symptoms.NG
Check the harness between the vehicle speed sensor and
multipurpose fuse No. 13, and repair if necessary.
RepairNG
OK
Check the trouble symptoms.
Check the following connectors:D-213, E-115, C-09
(3)NG
(2)NG
Check the following connectors:C-09
NG
Check the harness between the vehicle speed sensor and the
combination meter, and repair if necessary.
RepairNG
OK
Check the trouble symptoms.
OK
Measure at vehicle speed sensor connector C-09.
DDisconnect the connector and measure at the harness
side.
(1) Voltage between terminal 3 and earth
OK:4.5 V or higher
(2) Continuity between terminal 2 and earth
OK:Continuity
(3) Voltage between terminal 1 and earth
OK:System voltage(1)NGCheck the following connectors:D-01, D-222, E-13, E-113,
C-09
Vehicle speed sensor check (Refer to P.54A-33.)NG
Replace
NOTE
If the trouble symptoms cannot be eliminated by the above checks, there is probably a short-circuit at
the vehicle speed sensor output side (harness, speedometer, engine-ECU or A/T-ECU), and so this should
be checked.
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Page 1679 of 1839
CHASSIS ELECTRICAL -RV MeterCHASSIS ELECTRICAL -RV MeterCHASSIS ELECTRICAL -RV Meter54A-18
Termi-Input/out-
t
Signal sym-
bl
Terminal
lt
Harness problemTrouble symptoms when there is a
hblnal No.
p
put
gy
bolvoltage
(V)Open
circuitshort-cir-
cuit
yp
harness problem
29 - 30––––––
31–EARTH
(TEMP)––––
32–ILL - (illumi-
nation lamp
adjustment
signal)–ExistsExistsUnable to adjust illumination lamp
33InputFUEL
GAUGE0-3ExistsExists–
34 - 36––––––
CHART CLASSIFIED BY TROUBLE SYMPTOMS
Related unitTrouble SymptomInspection
procedure
No.Refer-
ence
page
Malfunction of RV meterNo system operations can be carried out.154A-18
System voltage drop warning screen appears.254A-18
Ambient temperature does not display normally.354A-19
Compass does not display normally.454A-20
Altimeter does not display normally.554A-21
Air conditioner information does not display normally.654A-21
Audio information does not display normally.754A-22
INSPECTION PROCEDURES FOR EACH TROUBLE SYMPTOM
Inspection procedure 1
No system operations can be carried out.
NG
OK
Check the following connectors:
Check the trouble symptoms.NGReplace the RV meter.
Inspection procedure 2
System voltage abnormality screen appears.
NOEnd
OK YES
Replace the battery.
Replace the RV meter.
NG
Does the voltage abnormality screen appear immediately
after the ignition switch is turned to the ACC position?
Malfunction of RV meter voltage judgment circuitMeasure at RV meter connector D-39.
DConnector disconnected
DVoltage between terminal (25) and body earth
OK:System voltage
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Page 1688 of 1839
SWS -General InformationSWS -General Information54B-2
GENERAL INFORMATION
COMMUNICATION LINE
Data lines for multiplex communication are connected between the front-ECU, ETACS-ECU, column switch
assembly, sunroof motor assembly, center display, power window main switch, and power window motors
as illustrated below.
ETACS-ECUMUT-II
Column switch
assembly
Front-ECU
Power window
main switch
Power window motor
(front-right)
Center display*1
Sunroof motor
assembly*2Power window motor
(front-left)
Power window motor
(rear-right)
Power window motor
(rear-left)
NOTE
: Uni-directional communication line
: Bi-directional communication line
*
1: Vehicles with center display
*2: Vehicles with sunroof
OPERATION
BUZZER
Light Reminder Warning Buzzer Function
When the driver’s door is opened with lighting switch
in the ON (tail lamp switch or headlamp switch)
position and ignition switch in the LOCK (OFF) or
ACC position, the buzzer will sound continuously to
remind the driver that the lamps (tail lamps or
headlamps) are ON.
This function does not work if the lighting switched
off through the headlamp automatic shutdownfunction. In addition, the ignition key reminder
warning buzzer function has a priority over this
function.
Center Display Operation Annunciation
Function
On vehicles with center display, the buzzer (peeps)
sounds when the operation switch of the audio
and navigation system is pressed.
CENTRAL DOOR LOCKING SYSTEM
Central Door Locking System Operation
When the lock switch is turned ON after the unlock
switch on the driver’s door lock actuator switch
is OFF, the ETACS-ECU gives a lock output for
0.5 second. When the unlock switch is turned ON
after the lock switch on the driver’s door lock
actuator switch is OFF, the ETACS-ECU gives an
unlock output for 0.5 second.
When the front passenger’s door key or back door
key is operated, the ETACS-ECU gives a lock or
unlock output for 0.5 second.Forgotten Key Prevention Function
If, with the key reminder switch OFF and the driver’s
door switch ON, the driver’s door lock switch is
turned ON after the door unlock switch in the front
door lock actuator is turned OFF, the ETACS-ECU
waits 0.3 second then give an unlock relay output
for 0.5 second, there by preventing the doors from
being locked. This operation prevents the ignition
key from being locked inside the vehicle. This
function takes precedence over the central door
locking control function.
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Page 1691 of 1839
SWS -General InformationSWS -General Information54B-5
HEADLAMP WASHER
If the headlamp washer switch at the steering
column is placed in the ON position when the ignition
switch is in the ACC or ON position and theheadlamp switch is in the ON position, the headlamp
washer drive signal is turned ON for 0.5 second.
IGNITION KEY HOLE ILLUMINATION LAMP
When the ignition switch is turned to LOCK (OFF) or
ACC position with the driver’s door opened, the
ignition key hole illumination lamp is illuminated.
If the door is closed in that state, the lamp goes out
after 30 seconds. Vehicles with keyless entrysystem, it illuminates for 30 seconds after the
ignition key is removed. In either case the lamp goes
out when the ignition switch is turned to ON position.
HEADLAMP
Headlamp Automatic Shutdown Function
If the ignition switch is turned to LOCK (OFF) or
ACC position, when the headlamps are on, the
headlamps will be switched off in three minutes.
If the driver’s door is opened within that three-minute
period, the headlamps will be switched off
automatically. This prevents the battery from
discharged.
In addition, if the headlamps are turned on when
the ignition switch is at LOCK (OFF) or ACC position,
the headlamps will not be switched off.Headlamp Dimmer Switch Automatic Reset
Function
This function allows the dimmer switch to be reset
to the low-beam position whenever the headlamp
switch is turned ON.
Daytime Running Lamp (DRL) Function
If the ignition switch is turned to ON when the
headlamps and tail lamps are off, the headlamps
(low-beam) and tail lamps turn on.
FLASHER TIMER
Turn-signal Lamp
When the ignition switch is turned to ON position
and turn-signal lamp switch is placed in the ON
position for right or left turn signaling, the system
generates turn-signal lamp drive signals (flashing
signals).
The system also notifies of a blown turn-signal lamp
bulb by shortening the flashing intervals of the
corresponding indicator lamp.Hazard Warning Lamp
The system detects a change from ON to OFF
of the hazard lamp input signal and activates the
hazard lamps if they are not in operation or
deactivates the lamps if they are operating (reversal
of state between activation and deactivation).
FRONT FOG LAMP
If the front fog lamp switch is turned ON at the
condition that the headlamp or the tail lamp is turned
ON (including the illumination by the automatic
lighting function), the front fog lamp is turned ON.Whenever the tail lamps are turned on at the next
time, the front fog lamps will always be off regardless
of the switch positions. In addition, if the tail lamp
is switched off by the automatic lighting system,
the front fog lamp will also be switched off. However,
the front fog lamp will be illuminated when the tail
lamp is switched on.
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Page 1692 of 1839
SWS -General Information54B-6
REAR FOG LAMP
If the fog lamp switch is turned ON when the
headlamp or the front fog lamp is turned On, the
rear fog lamp is switched ON and OFF alternatively.If the headlamp and the front fog lamp are turned
OFF during lighting of the rear fog lamp, the rear
fog lamp is turned OFF at the same time.
ROOM LAMP
With the room lamp switch in the DOOR position,
the ETACS-ECU controls the room lamp operation
as follows:
DWhen a door is opened from outside or inside
[with the ignition switch turned to LOCK (OFF)
position]:
When a door is opened, the ETACS-ECU
causes the room lamp to be illuminated at the
100% intensity. When the door is closed, it
dims out the room lamp to 65% intensity and
approx. 30 seconds later, turns out the lamp
completely. During this period (timer controlled
period), the room lamp goes out if the ignition
switch is turned to ON position or the doors
are locked.
DWhen a door is opened or closed with the
ignition switch in the ON position:
The room lamp illuminates at 100% intensity
when a door is opened and turned out when
it is closed.
DWhen no door is opened and the ignition key
is removed:When the ignition key is removed with all the
doors closed, the room lamp is illuminated at
an intensity of 100% and turned out approx.
30 seconds later. During that time
(timer-controlled period), the room lamp goes
out if the ignition key is inserted and turned
to ON position or the door locking system is
activated.
DRoom lamp’s answerback operation in
response to door lock control by keyless entry
system:
To allow the driver to ascertain the result of
the door locking/unlocking control action by
the use of the keyless entry system, the
ETACS-ECU causes the room lamp to blink
twice when the doors are locked through the
system and to illuminate for approx. 15 seconds
when the doors are locked.
The room lamp’s answerback operation in
response to a keyless entry system control
action is accompanied by operation of the
hazard warning lamps.
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Page 1694 of 1839
SWS -Troubleshooting54B-8
TROUBLESHOOTING
STANDARD FLOW OF DIAGNOSTIC TROUBLESHOOTING
Refer to GROUP 00 – How to Use Troubleshooting/Inspection Service Points.
DIAGNOSTIC FUNCTION
DIAGNOSIS CODES CHECK
Use the MUT-II
to check a diagnosis code.
(Refer to GROUP 00 – How to Use Troubleshooting/Inspection Service Points.)
NOTE
Connect the MUT-II
to the 16-pin diagnosis connector (black).
INPUT SIGNAL CHECK
1. Use the MUT-II
to check a input signal.
(Refer to GROUP 00 – How to Use Troubleshooting/Inspection Service Points.)
2. In this condition, the following input switches can be checked.
3. If an abnormality is found during the input signal check, carry out troubleshooting while referring
to the Trouble Symptom Check page.
Input Signal Check Function
Input signalBuzzer operation condition
Ignition switch (ACC)Turned from LOCK(OFF) to ACC
Ignition switch (IG1)Turned from ACC to ON
Key reminder switch
(from inserted position)
Hazard warning lamp switchTurned from OFF to ON
Front fog lamp switch
Rear fog lamp switch
Back-up lamp switch
Inhibitor switch (reverse)
washer>Selector lever moved to R position
Rear wiper motor auto-stop signal
is sent before the rear wiper begins to operate)
Driver’s door switchDriver’s door opened from closed condition
Door switchesAll doors closed to any door opened
Front passenger’s or back door lock key cylinder switch
Driver’s door lock actuator switch
position to unlock position or vice versa
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Page 1699 of 1839
SWS -Troubleshooting54B-13
TROUBLE SYMPTOM CHART
Trouble symptomInspection
procedureReference
page
Communication with the MUT-IIis impossible.A-154B-17
BuzzerLight reminder warning buzzer function does not work
normally.B-154B-17
Center display operation annunciation function does not work
normally.B-254B-18
Central door lock-Central door locking system does not work normally.C-154B-18
ing system
Some doors does not lock or unlock.C-254B-19
Some functions of central locking system do not work.C-354B-19
Forgotten key prevention function does not work.C-454B-20
Power windowPower window does not work at all.D-154B-20
Power window main switch can not operate driver’s window.D-254B-21
Power window sub switch can not operate front passenger’s or
rear window.D-354B-22
Power window main switch can not operate front passenger’s
or rear window.D-454B-23
Power window timer function does not work normally.D-554B-23
When the glass is raised, it then lowers automatically.D-654B-24
The glass is not lowered when something is jammed in the
window.D-754B-24
When the glass is fully raised, it then lowers automatically.D-854B-24
Keyless entry sys-Keyless entry system does not operate.E-154B-24
tem
The room lamp and hazard warning lamps do not operate
through the answerback function.E-254B-25
The encrypted code cannot be registered.E-354B-25
SunroofSunroof does not work at all.F-154B-26
Sunroof timer function does not work normally.F-254B-27
Safety mechanism does not function.F-354B-27
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