Mitsubishi Lancer Evolution IX. Manual - part 188

TROUBLESHOOTING

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-11

DATA LIST CHECK

M1549015000480

1. Use the M.U.T.-II/III and the SWS monitor to 

check "DATA LIST." This "DATA LIST" check is 
applicable for signals, which are transmitted and 
received through the SWS communication line 
and the communication lines routed from one 
door to another. For the input signals which are 
not applicable for the SWS monitor check, refer 
to pulse check procedure 

P.54C-24

.

NOTE: If a problem is found in the "DATA LIST" 

check, refer to the Problems during Input Signal 
Check <Service data, function diagnosis or pulse 
check> (Refer to 

P.54C-24

).

2. The following input signals can be checked by 

using the M.U.T.-II/III and the SWS monitor.

DATA LIST REFERENCE TABLE
COLUMN SWITCH (COLUMN-ECU)

Item No. Check item

Display on 
M.U.T.-II/III

Check condition

Normal condition

00

Headlamp 
switch

HEADLAMP 
SW

Lighting switch: HEAD

ON

Lighting switch: Other than HEAD

OFF

01

Tail lamp 
switch

TAIL LAMP SW Lighting switch: TAIL

ON

Lighting switch: OFF

OFF

02

Dimmer 
switch

DIMMER SW

Dimmer switch: ON

ON

Dimmer switch: OFF

OFF

03

Passing lamp 
switch

PASSING SW

Passing lamp which: ON

ON

Passing lamp which: OFF

OFF

05

Windshield 
intermittent 
wiper switch

INT WIPER SW Wiper switch: INT

ON

Wiper switch: Other than INT

OFF

06

Windshield 
low-speed 
wiper switch

LO WIPER SW Wiper switch: LO

ON

Wiper switch: Other than LO

OFF

07

Windshield 
high-speed 
wiper switch

HI WIPER SW

Wiper switch: HI

ON

Wiper switch: Other than HI

OFF

08

Wind shield 
mist wiper 
switch

MIST WIPER 
SW

Wiper switch: Mist

ON

Wiper switch: Other than mist

OFF

09

Windshield 
washer 
switch

FRONT WASH. 
SW

Windshield washer switch: ON

ON

Windshield washer switch: OFF

OFF

10

Turn-signal 
lamp switch 
(RH)

TURN SIG. RH Turn-signal lamp switch: RH

ON

Turn-signal lamp switch: Other than RH

OFF

11

Turn-signal 
lamp switch 
(LH)

TURN SIG. LH Turn-signal lamp switch: LH

ON

Turn-signal lamp switch: Other than LH

OFF

15

With or 
without 
windshield 
intermittent 
wiper control

INT WIP KNOB Vehicles with intermittent wiper control

EQUIP

Vehicles without intermittent wiper control

NONE

TROUBLESHOOTING

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-12

ETACS-ECU

Item No. Check item

Display on 
M.U.T.-II/III

Check condition

Normal condition

30

Ignition 
switch (IG1)

IG SW(IG1)

Ignition switch: ON or START

ON

Ignition switch: LOCK (OFF) or ACC

OFF

31

Ignition 
switch (ACC)

IG SW(ACC)

Ignition switch: ACC or ON

ON

Ignition switch: LOCK (OFF) or START

OFF

32

Driver's door 
switch

DR DOOR SW Driver's door switch ON (The driver’s door 

is open).

ON

Driver's door switch OFF (The driver's door 
is closed).

OFF

33

Reception of 
power 
window 
switch

P/W SW 
ACCEPT

Ignition switch: ON or START

PERMIT

Ignition switch: from ON or START to LOCK 
(OFF) or ACC

from PERMIT to 
PROHIBIT (after 
approximately 30 
seconds)

35

Headlamp 
automatic 
shutdown 
function

HD AUTO-CUT 1. Lighting switch: Other than OFF

2. Ignition switch: from ON or START to 

LOCK (OFF) or ACC

3. Driver's door switch: ON (driver's door 

open)

OFF to ON (after 
approximately one 
second)

When requirements for the headlamp 
automatic shutdown are not satisfied

OFF

37

Windshield 
intermittent 
wiper interval

INT WIPE 
TIME

1. Ignition switch: ACC or ON
2. Operate the intermittent wiper control, 

and change the wiper interval

The M.U.T.-II/III 
displays 
intermittent wiper 
interval in 
response to the 
intermittent wiper 
control positions

41

Back-up 
lamp switch

INHIBITOR SW Back-up lamp switch: ON

ON

Back-up lamp switch: OFF

OFF

43

Buzzer

BUZZER

1. Ignition switch: LOCK (OFF)
2. Tail lamp or headlamp switch: ON
3. Driver's door switch: ON (driver's door 

open)

ON

When requirements for sounding each 
warning buzzer are not satisfied

OFF

TROUBLESHOOTING

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-13

FRONT-ECU

NOTE: For item number 70, the M.U.T.-II/III also displays "NG" under the "ECU Check" when it displays "NO 
ACK" under the front-ECU check.

POWER WINDOW MAIN SWITCH (POWER WINDOW MODULE)

NOTE: For item number 71, the M.U.T.-II/III also displays "NG" under the "ECU Check" when it displays "NO 
ACK" under the "P/W ECU ACK" check.

COMMUNICATION BETWEEN DOORS

Item No. Check item

Display on 
M.U.T.-II/III

Check condition

Normal condition

70

Response by 
the 
front-ECU

FRONT ECU 
ACK

Lighting switch: Other than OFF (excluding 
when high-beam is on) or the wiper switch 
is at position other than OFF

NORMAL ACK

• Ignition switch: ON or START

• Lighting switch: OFF

SLEEP ACK

• Lighting switch: HEAD

• Headlamps: at high beam

HI-BEAM ACK

−

NO ACK

Item No. Check item

Display on 
M.U.T.-II/III

Check condition

Normal condition

71

Response 
from power 
window 
module

P/W ECU ACK Ignition switch: ON or START

NORMAL ACK

1. Ignition switch: ON or START
2. Operate any switch of the power window 

main switch.

INPUT CHECK 
(only momentarily 
when switch is 
operated)

−

NO ACK

Item No. Check item

Display on 
M.U.T.-II/III

Check condition

Normal condition

C0

Front 
passenger's 
power 
window UP 
switch

PASS DOR UP Front passenger's power window switch: 

UP

ON

Front passenger's power window switch: 
Other than "UP"

OFF

C1

Front 
passenger's 
power 
window 
DOWN 
switch

PASS DOR 
DOWN

Front passenger's power window switch: 
DOWN

ON

Front passenger's power window switch: 
Other than "DOWN"

OFF

C2

Front 
passenger's 
power 
window 
AUTO switch

PASS DOR 
AUTO

Front passenger's power window switch: 
AUTO

ON

Front passenger's power window switch: 
Other than "AUTO"

OFF

TROUBLESHOOTING

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-14

NOTE: Service data of door communication will be sent from the power window main switch to the door com-
munication line. Therefore, the display will remain "OFF" unless the probe is inserted.

C4

Rear right 
power 
window UP 
switch

REAR RH UP

Rear right power window switch: UP

ON

Rear right power window switch: Other than 
"UP"

OFF

C5

Rear right 
power 
window 
DOWN 
switch

REAR RH 
DOWN

Rear right power window switch: DOWN

ON

Rear right power window switch: Other than 
"DOWN"

OFF

C6

Rear right 
power 
window 
AUTO switch

REAR RH 
AUTO

Rear right power window switch: AUTO

ON

Rear right power window switch: Other than 
"AUTO"

OFF

C8

Rear left 
power 
window UP 
switch

REAR LH UP

Rear left power window switch: UP

ON

Rear left power window switch: Other than 
"UP"

OFF

C9

Rear left 
power 
window 
DOWN 
switch

REAR LH 
DOWN

Rear left power window switch: DOWN

ON

Rear left power window switch: Other than 
"DOWN"

OFF

CA

Rear left 
power 
window 
AUTO switch

REAR LH 
AUTO

Rear left power window switch: AUTO

ON

Rear left power window switch: Other than 
"AUTO"

OFF

CB

Power 
window lock 
switch

P/W LOCK SW  Power window lock switch: ON

ON

Power window lock switch: OFF

OFF

CD

Multi-stop

MLT-MODE 
STOP

1. When multi-mode is working
2. Either function of keyless entry 

transmitter: ON

ON (only 
momentarily when 
switch is operated)

Other than the conditions above

OFF

CE

Reception of 
power 
window 
switch

P/W SW 
RECEPT

Ignition switch: ON or START

PERMIT

Ignition switch: from ON or START to LOCK 
(OFF) or ACC

from PERMIT to 
PROHIBIT (after 
approximately 30 
seconds)

CF

Ignition 
switch (IG1)

IG1

Ignition switch: ON or START

ON

Ignition switch: LOCK (OFF) or ACC

OFF

Item No. Check item

Display on 
M.U.T.-II/III

Check condition

Normal condition