Mitsubishi Montero (2004+). Manual - part 691

 

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Mitsubishi Montero (2004+). Manual - part 691

 

 

SWS DIAGNOSIS

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-21

NOTE: The headlight automatic shutdown function 
works in approximately one second after the lighting 
monitor tone alarm starts sounding, and then the 
tone alarm ceases sounding.

• SUNROOF

• THEFT-ALARM

PULSE CHECK

M1549015100216

1. The input signals (signals other than SWS 

communication line signals), which are 
compatible with the SWS monitor by using the 
scan tool or voltmeter, can be confirmed by the 
Pulse Check. (Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points 

P.00-6

.)

2. Use the scan tool or voltmeter to check the 

following input signals.
NOTE: If a problem is found the Pulse Check, 
proceed to the Problems during Input Signal 
Check <Scan tool or voltmeter> (Refer to 

P.54B-500

).

Switches and their conditions, which are applicable 

for Pulse Check

KEY 
REMND.ALM

30

Ignition switch 
(IG1)

IG SW (IG1)

OFF

32

Front door switch

FRONT DOOR SW

ON

43

Tone alarm

BUZZER

ON

LGT 
MONI.ALM

00

Headlight switch

HEADLIGHT SW

Either is on

01

Tail light switch

TAILLIGHT SW

30

Ignition switch 
(IG1)

IG SW (IG1)

OFF

32

Front door switch

FRONT DOOR SW

ON

35

Headlight 
automatic 
shutdown function

H/L AUTO-CUT

OFF

43

Tone alarm

BUZZER

ON

OTHER 
ALARM

30

Ignition switch 
(IG1)

IG SW (IG1)

ON

43

Tone alarm

BUZZER

ON

ITEMS

ITEM 
NO.

INPUT SIGNAL

DISPLAY ON SCAN TOOL NORMAL CONDITION

ITEM

ITEM 
NO.

INPUT SIGNAL

DISPLAY ON SCAN TOOL NORMAL CONDITION

SUNROOF 
OPE.

30

Ignition switch 
(IG1)

IG SW (IG1)

ON

72

Response by the 
sunroof-ECU

S/R ECU ACK

INPUT CHECK (only 
momentarily when switch is 
operated)

ITEM

ITEM 
NO.

INPUT SIGNAL

DISPLAY ON SCAN TOOL NORMAL CONDITION

THEFT-ALARM 45

Theft-alarm 
headlight

THEFTALM. H/L

ON

70

Response by the 
front-ECU

FRONT ECU ACK

NORMAL ACK

SYMPTOM CHART

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-22

SYMPTOM CHART

M1549000800800

<ECU communication system>

<Function system>

INPUT SIGNAL

REQUIREMENT FOR SOUNDING 
TONE ALARM

Key reminder switch

When the inserted ignition key is pulled 
out

Hazard light switch

When the switch is turned from off to on

Seat belt which

When the seat belt is fastened

All door switches (excluding front door switch)

Either of the doors (excluding front door) 
is opened

Driver's, front passenger's or back door lock key cylinder switch When the key cylinder is locked or 

unlocked

Driver's, front passenger's, rear or back door lock actuator

When the driver's key cylinder or inside 
lock knob is unlocked or locked

Door lock switch (incorporated in the power window main 
switch)

When a door is locked or unlocked by a 
door lock switch

Hood switch

When the hood is opened

Keyless entry system transmitter

Switches

When the switch is turned from off to on

SYMPTOM

INSPECTION 
PROCEDURE

REFERENCE 
PAGE

Communication with the SWS monitor kit is not possible.

A-1

P.54B-27

Communication with the column switch (column-ECU) is not possible.

A-2

P.54B-35

Communication with the ETACS-ECU is not possible.

A-3

P.54B-42

Communication with the front-ECU is not possible.

A-4

P.54B-48

Communication with the sunroof motor assembly (sunroof-ECU) is not 
possible.

A-5

P.54B-56

Communication with the RV meter is not possible.

A-6

P.54B-69

SYSTEM

SYMPTOM

INSPECTION 
PROCEDURE

REFERENCE 
PAGE

Tone alarm

General description concerning the tone 
alarm function

P.54B-73

Ignition key reminder tone alarm function 
does not work normally.

B-1

P.54B-78

Light reminder tone alarm function does 
not work normally.

B-2

P.54B-81

Seat belt tone alarm function does not 
work normally.

B-3

P.54B-85

RV meter operating sound function does 
not work normally.

B-4

P.54B-88

SYMPTOM CHART

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-23

Central door locking 
system

General description concerning the central 
door locking system

P.54B-91

Central door locking system does not work. C-1

P.54B-95

Some doors do not lock or unlock.

C-2

P.54B-105

All the doors do not lock or unlock with just 
the door lock switch operation.

C-3

P.54B-133

All the doors do not lock or unlock by 
rotating the door lock key cylinder.

C-4

P.54B-135

All the doors do not lock or unlock with just 
the driver's inside lock knob operation.

C-5

P.54B-137

Forgotten key prevention function does not 
work normally.

C-6

P.54B-139

Power windows

General description concerning the power 
windows function

P.54B-143

Power windows do not work at all.

D-1

P.54B-147

The power window timer function does not 
work normally.

D-2

P.54B-159

Only the front power window (LH) does 
work normally by operating the power 
window main switch.

D-3

P.54B-162

Power windows do not work normally by 
operating the passenger's and rear power 
window switches.

D-4

P.54B-165

Passenger's and rear power windows do 
not work normally by operating the power 
window main switch.

D-5

P.54B-199

Keyless entry system

General description concerning keyless 
entry system

P.54B-201

Keyless entry system does not work.

E-1

P.54B-206

The turn-signal light and interior light 
answerback function of the keyless entry 
system does not work normally.

E-2

P.54B-208

Encrypted code cannot be registered.

E-3

P.54B-209

Sunroof

General description concerning the sunroof −

P.54B-211

Sunroof does not operate.

F-1

P.54B-213

Any of the sunroof switch positions is 
defective.

F-2

P.54B-222

Sunroof timer function does not work 
normally.

F-3

P.54B-224

Safety mechanism does not function.

F-4

P.54B-226

SYSTEM

SYMPTOM

INSPECTION 
PROCEDURE

REFERENCE 
PAGE

SYMPTOM CHART

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-24

Windshield wiper and 
washer

General description concerning the 
windshield wiper and washer function

P.54B-227

The windshield wipers do not work at all.

G-1

P.54B-231

The windshield wipers do not work when 
the windshield wiper switch is at "INT" or 
"MIST" position or the windshield washer 
switch is at "ON" position. However, the 
wipers work at low speed when the 
windshield wiper switch is at "LO" or "HI."

G-2

P.54B-240

The windshield wipers do not work 
normally.

G-3

P.54B-242

The windshield wipers do not stop at the 
specified park position.

G-4

P.54B-248

The windshield intermittent wiper interval is 
not changed by operating the windshield 
intermittent wiper interval adjusting knob or 
according to the vehicle speed.

G-5

P.54B-254

The windshield washer does not work.

G-6

P.54B-256

Rear wiper and washer

General description concerning the rear 
wiper and washer function

P.54B-262

Rear wiper does not work at all.

H-1

P.54B-265

Rear wiper does not stop at the 
predetermined park position.

H-2

P.54B-273

When the selector lever is moved to "R" 
position during the rear wiper operation, 
the rear wiper does not operate at the 
continuous mode.

H-3

P.54B-275

Rear washer does not work.

H-4

P.54B-277

Seat belt warning light

General description concerning the seat 
belt warning light function

P.54B-284

The seat belt warning light does not 
illuminate.

I-1

P.54B-286

SYSTEM

SYMPTOM

INSPECTION 
PROCEDURE

REFERENCE 
PAGE

 

 

 

 

 

 

 

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