2000 MITSUBISHI MONTERO lock

SWS -Troubleshooting54B-38
No
NG
OK
Replace the ETACS-
ECU.
NG
Check the defective input
circuit. (P.54B-15, De-
fects Found by Input Sig-
nal Check.)
NG
Repair
NG
Check the harness wire between ETACS-ECU and battery.
OK
NG
Repair
OK
Replace the ETACS-ECU.
NG
Check the harness wire between ETACS-ECU and turn-signal
lamps.NG
Repair
OK
Check trouble symptoms.
Check the following connectors:
D-224, D-213, D-210, D-218 , D-219 drive vehicles>
OK
Check trouble symptoms.
Check the following connectors:
D-224, D-223, D-27Measure at ETACS-ECU connector D-224.
DDisconnect connector and measure at J/B side.
DVoltage between terminal 11 and body earth.
OK:System voltage.
Is the hazard warninglamp operated normally?Ye sMUT-
IIinput signal check
DIgnition switch (IG1)
DTurn-signal lampswitch
NOTE
If only one of the turn-signal lamp does not flash, the harness wire between the lamp and ETACS-ECU
may be defective or the lamp bulb may be burned out. In this case, check the turn-signal lamp and
hazard warning lamp circuit.
Inspection Procedure L-2
Flasher timer: Hazard warning lamp do not flash when the
hazard warning lamp switch is turned on.Probable cause
The ETACS-ECU makes the turn-signal lamps flash, base on the input signals
from the hazard warninglampswitch.
If the turn-signal lamps do not flash normally, the hazard warninglampswitch
input circuit or the ETACS-ECU may be defective.DMalfunction of hazard warninglampswitch
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector.
OK
Replace the ETACS-ECU.
NoCheck the turn-signallampcircuit. (Refer to P.54B-37, Inspection
Procedure L-1.)
Ye s
NG
Check the ETACS-ECU battery circuit. (Refer to P.54B-53, Inspec-
tion Procedure Q-1.)
OK
NG
Check the hazard warninglampswitch input circuit. (Refer to
P.54B-43, Inspection Procedure P-4.)MUT-
IIinput signal check
DHazard warninglampswitch
Do all of the following functions operate when the ignition key
is at the LOCK (OFF) position?
DLight reminder warning function
DRoom lamp
Is the turn-signal lamp operated normally?


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SWS -Troubleshooting54B-41
Inspection Procedure O-1
Room lamp: Room lamp does not illuminate.Probable cause
If the room lampdoes not illuminate at all, the roomlamp bulb may be burned
out, or the power supply circuit or the ETACS-ECU may be defective.DMalfunction of room lamp
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
Ye s
NG
Repair
NG
No
NG
OK
Replace the room lamp.
NG
Repair
NG
Check the harness wire between roomlamp and fusiblelink (2).
OK
Replace the ETACS-
ECU.
NG
Repair
OK
Check trouble symptoms.
Check the following connectors:
F-07, D-29, D-207, D-223, D-27Measure at room lampconnector F-07.
DDisconnect connector and measure at harness side.
DVoltage between terminal 1 and body earth.
OK:System voltage
Check the harness wire between roomlamp and ETACS-ECU.
OK
Check trouble symptoms.
Check the following connectors:
F-07, D-29, D-207, D-224Does the roomlampturn on when the roomlampswitch is
set to the ON position?
Inspection Procedure O-2
Room lamp: Room lamp dimming function does not work
normally.Probable cause
The ETACS-ECU dims the roomlamp according to the inputsignals from the
following switches:
DIgnition switch (IG1)
DKey reminder switch
DDoor switches
DDriver’s door lock actuator switch
If the room lampdoes not bedimmed normally, the relevant input signalcircuit
or the ETACS-ECU may be defective.DMalfunction of key reminder switch
DMalfunction of driver’s door switch
DMalfunction of door switches
DMalfunction of driver’s door lock actuator switch
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
NGCheck the ETACS-ECU battery circuit. (Refer to P.54B-53, Inspec-
tion Procedure Q-1.)
OK
NG
Check the defective input circuit. (Refer to P.54B-15, Defects Found
by Input Signal Check.)
OK
Replace the ETACS-ECU.
MUT-
IIinput signal check
DIgnition switch (IG1)
DKey reminder switch
DDoor switches
DDriver’s door lock actuator switch
Do all of the following functions operate when the ignition key
is at the LOCK (OFF) position?
DLight reminder warning function
DCentral door locking system
DHazard warninglamp


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SWS -Troubleshooting54B-48
Inspection Procedure P-11
Front passenger’s or back door lock key cylinder switch
signal is not sent to the ETACS-ECU.Probable cause
The front passenger’s and back door lock key cylinder switch input signal is
used to operate the central door locking system. If the signal fails, central door
locking system will not work normally.DMalfunction of front passenger’s or back door lock
key cylinder switch
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
NG
Replace
OK
OK
Replace the ETACS-ECU.
OK
NG
NG
Repair
NG
RepairOK
NG
Check the harness wire between door lock key cylinder switch
and body earth.
NG
Check the harness wire between door lock key cylinder switch
and ETACS-ECU.NG
Repair
OK
Check trouble symptoms.
Check the following connectors:
Front passenger’s door: H-17, D-15, D-225
Back door: I-05, G-05, D-124, D-225
Check trouble symptoms.
Check the following connectors:
Front passenger’s door: H-17, D-15
Back door: I-05Measure at door lock key cylinder switch connector H-17 passenger’s door> or I-05 .
DDisconnect connector and measure at harness side
DContinuity between terminal 2 and body earth.
OK:Continuity
Check the door lock key cylinder switch. (Refer to GROUP 42
– Door or GROUP 42 - Back Door.)
Inspection Procedure P-12
Driver’s door lock actuator switch signal is not sent to the
ETACS-ECU.Probable cause
The driver’s door lock actuator switch is used to operate the following systems
or functions. If the signal fails, these systems or function will not work normally.
DCentral door locking system
DForgotten key prevention function
DKeyless entry systemDMalfunction of driver’s door lock actuator
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
OK
Replace the ETACS-ECU.
OK
NG
NG
Repair
NG
Repair
NG
Check the harness wire between driver’s door lock actuator and
body earth.
NG
Check the harness wire between driver’s door lock actuator and
ETACS-ECU.NG
Repair
OK
Check trouble symptoms.
OK
Check the following connectors:
H-03 , H-18 , D-25, D-225
OK
Check trouble symptoms.
Check the following connectors:
H-03 , H-18 , D-25Measure at door lock actuator connector H-03
or H-18 .
DDisconnect connector and measure at harness side
DContinuity between terminal 1 or 3

OK:Continuity
Check the door lock actuator switch. (Refer to GROUP 42 – Door
or Back Door.)NG
Replace


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SWS -Troubleshooting54B-49
Inspection Procedure P-13
Column switch:
D
Tail lamp switch signal is not sent to the ETACS-ECU.
D
Headlamp switch signal is not sent to the ETACS-ECU.
D
Dimmer switch signal is not sent to the ETACS-ECU.
D
Passing switch signal is not sent to the ETACS-ECU.
D
Turn-signal lamp switch signal is not sent to the
ETACS-ECU.
D
Headlamp washer switch is not sent to the ETACS-ECU.
Probable cause
The column switch (lighting switch) is used to operate the following systems or
functions. If the signal fails, these systems or function will not work normally.
DHeadlamp washer
DHeadlamp, tail lamp
DTurn-signal lamp
DFront fog lamp
DRear foglampDMalfunction of column switch
DMalfunction of ETACS-ECU
NG
Replace the ETACS-ECU.
Ye sCarry out troubleshooting while referring to the Diagnosis Code
Chart on P.54B-9.
Check trouble symptoms.
No
Replace the column switch (lighting switch).
OK
Replace the column switch (wiper and washer switch).
No
Check the column switch (lighting switch and switch body). (Refer
to GROUP 54A - Column Switch.)NG
Replace
Is a diagnosis code output when the ignition switch is at the
OFF (LOCK) position?


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SWS -Troubleshooting54B-50
Inspection Procedure P-14
Column switch:
D
Windshield mist wiper switch signal is not sent to the
ETACS-ECU.
D
Windshield intermittent wiper switch signal is not sent to
the ETACS-ECU.
D
Windshield low-speed wiper switch signal is not sent to the
ETACS-ECU.
D
Windshield high-speed wiper switch signal is not sent to
the ETACS-ECU.
D
Windshield washer switch is not sent to the ETACS-ECU.
D
Rear wiper switch is not sent to the ETACS-ECU.
D
Rear washer is not sent to the ETACS-ECU.
Probable cause
The column switch (wiper and washer switch) is used to operate the following
systems or functions. If the signal fails, these systems or function will not work
normally.
DWindshield wiper and washer
DRear wiper and washerDMalfunction of column switch
DMalfunction of ETACS-ECU
NG
Replace the ETACS-ECU.
Ye sCarry out troubleshooting while referring to the Diagnosis Code
Chart on P.54B-9.
Check trouble symptoms.
No
Replace the column switch (wiper and washer switch).
OK
Replace the column switch (lighting switch).
No
Check the column switch (wiper and washer switch and switch
body). (Refer to GROUP 51 - Windshield Wiper and Washer and
GROUP 54A - Column Switch.)NG
Replace
Is a diagnosis code output when the ignition switch is at the
OFF (LOCK) position?
Inspection Procedure P-15
Column switch: Windshield intermittent wiper interval
adjusting knob signal is not sent to the ETACS-ECU.Probable cause
If the windshield intermittent wiper interval adjusting knob is defective the
windshield intermittent wiper interval can not be adjusted.DMalfunction of column switch
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
OK
Replace the ETACS-ECU.
NG
Check the harness wire between column switch and ETACS-ECU.NG
Repair
OK
Check trouble symptoms.
OK
Check the following connectors:
D-203, D-226NG
Repair
Check the windshield intermittent wiper interval adjusting knob.
(Refer to GROUP 51 - Windshield Wiper and Washer.)NG
Replace


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SWS -Troubleshooting54B-53
Inspection Procedure P-19
Center display: Any switch signal is not sent to the
ETACS-ECU.Probable cause
The cause is probably a malfunction of the center display or the ETACS-ECU.DMalfunction of center display
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector.
Ye s
NG
Repair
NG
Replace the ETACS-ECU.
OK
Replace the center display.Check trouble symptoms.
NG
Check the harness wire between center display and ETACS-ECU.NG
Repair
OK
Check trouble symptoms.
Check the following connectors:
D-06, D-31, D-226
Is the center display operated normally?NoCarry out troubleshooting for the center display. (Refer to
GROUP 54A – Center Display.)
Inspection Procedure Q-1
Check the circuit (power supply line) from the battery to
the ETACS-ECU.Probable cause
If that power supply circuit is defective, the circuit flowing through the ignition
switch (IG1) will function as a back-up circuit. In this case, the following
functions will not work when the ignition switch is at LOCK (OFF) position.
DIgnition key reminder warning buzzer function
DCentral door lock ing system
DIgnition key hole illumination lamp
DHazard warninglamp
DRoom lampDMalfunction of ETACS-ECU
DMalfunction of harness wire or connector.
NG
NG
Repair
NG
Check the harness wire between ETACS-ECU and fusible link
(2).
OK
Replace the ETACS-ECU.
OK
Check trouble symptoms.
Check the following connectors:
D-224, D-223, D-27Measure at ETACS-ECU connector D-224.
DDisconnect connector and measure at J/B side.
DVoltage between terminal 6 and body earth.
OK:System voltage


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SWS -Troubleshooting54B-55
Terminal
No.Normal condition Checking requirements Check items
26Key reminder switch signal inputKey reminder switch: ON (Ignition key
removed)0V
27Hazard warning lamp switch signal
inputHazard warning lamp switch: ON0V
29Recognition line of daytime running
lamp (DRL) Always0V
31Data request signal outputAlways0 - 5 V (pulse
signal)
34Windshield intermittent wiper interval
adjusting knob signal inputIgnition switch: ACC,
Windshield intermittent wiper interval
adjusting knob: FAST®SLOW0®2.5 V
35Back-up lamp switch signal input
Ignition switch: ON,
Shift lever: RSystem voltage
Inhibitor switch (reverse) signal input
Ignition switch: ON,
Selector lever: RSystem voltage
36Ignition key hole illumination lamp
outputWhen ignition key hole illumination
lamp is lighted2 V or less
37Diagnosis code or input signal check
outputWhen diagnosis code is output0 - 12 V (pulse
signal)
When input signal check is output0, 12 V (When input
pulse signal is
changed)
40Rear fog lamp relay outputWhen rear fog lamp is lighted2 V or less
53Front passenger’s and back door lock
key cylinder switch (LOCK) signal inputFront passenger’s or back door lock key
cylinder switch: LOCK0V
54Front passenger’s and back door lock
key cylinder switch (UNLOCK) signal
inputFront passenger’s or back door lock
switch: UNLOCK0V
55Driver’s door lock actuator switch
(LOCK) signal inputDriver’s door lock actuator switch:
LOCK0V
56Driver’s door lock actuator switch
(UNLOCK) signal inputDriver’s door lock actuator switch:
UNLCOK0V


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SWS -On-vehicle Service54B-60
ON-VEHICLE SERVICE
ADJUSTMENT PROCEDURES OF SWS FUNCTION
Through special operation of input switches, it is possible to disable and enable the functions listed below.
Settings are retained even if the battery is disconnected.
DKeyless entry hazard answerback function
DInitialization of above mentioned functions
Configuration Mode Entry Conditions
1. Set each switch at the following condition.
DHazard warning lamp switch: OFF
DDiagnosis control: ON (MUT-II
connected or terminal 1 of diagnosis connector connected to earth)
DKey reminder switch: OFF (ignition key inserted)
DIgnition switch: LOCK (OFF)
DDriver’s door switch: OFF (driver’s door closed)
2. When the windshield washer switch is continuously turned ON for more than 10 seconds, the buzzer
integrated in the ETACS-ECU sounds once and the mode is switched to the configuration mode.
Configuration Mode Cancellation Conditions
The ETACS-ECU cancels the configuration mode when any of the conditions listed below is satisfied.
DDiagnosis control: OFF (MUT-II
disconnected or terminal 1 of diagnosis connector disconnected from
earth)
DKey reminder switch: ON (ignition key removed)
DIgnition switch: any position other than LOCK (OFF)
DDriver’s door switch: ON (driver’s door open)
DNo configuration performed within three minutes of entry to configuration mode (If configuration is
performed within first three minutes, monitoring continues for three minutes from that point.)
Configuration of Functions
FunctionConfiguration procedure
Keyless entry hazard
answerbackIf the transmitter’s LOCK switch is turned ON twice within two seconds, the lock answerback
function’s enabled/disabled status is inverted.
D
When function is enabled, buzzer sounds once (initial status).
D
When function is disabled, buzzer sounds twice.
If the transmitter’s UNLOCK switch is turned ON twice within two seconds, the unlock
answerback function’s enabled/disabled status is inverted.
D
When function is enabled, buzzer sounds once (initial status).
D
When function is disabled, buzzer sounds twice.
Initialization of above
mentioned functionsIf the windshield washer switch is turned ON for more than 20 seconds, the buzzer sounds
twice and all functions are initialized. (The configuration mode entry buzzer sounds after 10
seconds, but the switch must be kept ON for 20 seconds to achieve initialization.)
IF the windshield washer switch ins kept ON for more than 20 seconds without prior entry
of the configuration mode, the configuration mode is entered after 10 seconds and
initialization does not take place.


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