Mitsubishi Evolution X. Manual - part 592

ON-VEHICLE SERVICE

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-275

ANTENNA COMMUNICATION TEST

M1429606400063

Refer to ID codes registration procedure 

P.42B-265

.

TPMS TRANSMITTER CHECK

M1429614500021

Refer to ID codes registration procedure 

P.42B-265

.

TPMS TRANSMITTER ID CHECK

M1429614600028

Refer to ID codes registration procedure 

P.42B-265

.

KEYLESS ENTRY SYSTEM CHECK

M1429611800034

Check the keyless entry system as described below. If it does 
not work, perform troubleshooting (Refer to 

P.42B-172

).

• Operate the keyless operation key to check that the doors 

can be locked and unlocked.

• Operate the keyless operation key to check that the 

answerback function works in response to door lock-
ing/unlocking.
NOTE: The hazard answerback setting can be changed 
using the customization function. Confirm which setting is 
activated before performing these checks (Refer to 

P.42B-276

).

INSPECTION OF KEYLESS ENTRY TIMER LOCK 
FUNCTION

M1429612200035

Attempt to unlock the doors by using the keyless operation key. 
If the doors is not locked within 30 seconds, carry out diagno-
sis. Note that the doors will not be locked if the ignition key is 
inserted within the 30-second period, one of the doors is 
opened (Refer to 

P.42B-172

).

NOTE: The operation time of the keyless entry timer lock func-
tion can be set using the customisation function. Confirm the 
operation time before performing the diagnosis (Refer to 

P.42B-276

).

ON-VEHICLE SERVICE

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-276

CUSTOMIZATION FUNCTION

M1429611600223

By operating the ETACS system or MMCS of scan 
tool MB991958, the following functions can be pro-
grammed. The programmed information is held even 
when the battery is disconnected.

Adjustment 
item (scan tool 
MB991958 
display)

Adjustment item

Adjusting contents 
(scan tool MB991958 
display)

Adjusting contents

Hazard answer 
back

Adjustment of the 
number of keyless 
hazard warning light 
answer back 
flashes

Lock:1, Unlock:2

LOCK: Flashes once, UNLOCK: Flashes 
twice (default)

Lock:1, Unlock:0

LOCK: Flashes once, UNLOCK: No flash

Lock:0, Unlock:2

LOCK: No flash, UNLOCK: Flash twice

Lock:2, Unlock:1

LOCK: Flash twice, UNLOCK: Flash once

Lock:2, Unlock:0

LOCK: Flash twice, UNLOCK: No flash

Lock:0, Unlock:1

LOCK: No flash, UNLOCK: Flash once

Lock:0, Unlock:0

No function

Dome light 
delay timer with 
door

Adjustment of 
interior light delay 
shutdown time

0 sec

0 second (no delay shutdown time)

7.5 sec

7.5 seconds

15 sec

15 seconds

30 sec

30 seconds (default)

60 sec

60 seconds

120 sec

120 seconds

180 sec

180 seconds

Door unlock 
mode

Door lock system

All doors unlock

All the doors are unlocked when the 
driver's side door is unlocked. 

Dr door unlock

Only the driver's side door is unlocked 
when the driver's side door is unlocked. 
(default)

Auto door 
unlock by P 
position

Auto door unlock by 
P position function 
<Vehicles with 
TC-SST>

Disable

No function (default)

Always enabled

Always with function

Duration of horn 
chirp

Horn sounding time 
during horn answer 
back

Short

0.01 second (default)

Long

0.02 second

ON-VEHICLE SERVICE

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-277

Horn chirp by 
keyless

Horn chirp by 
keyless entry 
system <vehicles 
without auto light>

Not sound horn

No horn answerback function

Lock any time

The horn sounds when the lock button of 
keyless entry transmitter is pressed once.

W lock any time

The horn sounds when the lock button of 
keyless entry transmitter is pressed twice. 
(default)

Horn chirp by 
keyless entry 
system <vehicles 
with auto light>

Not sound horn

No horn answerback function

Lock any time

The horn sounds when the lock button of 
keyless entry transmitter is pressed once.

Lock/auto ON

During daytime, while the lighting switch is 
in the AUTO position, the horn sounds 
once when the lock is pressed once.

W lock any time

The horn sounds when the lock button of 
keyless entry transmitter is pressed twice. 
(default)

Tone alarm 
answer back

Adjusts the tone 
alarm answer back 
function

Not sound tone alarm

No function

At keyless

Sounds when the keyless entry system is 
activated.

At F.A.S.T.

Sounds when KOS is activated (default).

At Both

Sounds when the keyless entry system or 
KOS is activated.

Timer lock timer Timer lock period 

adjustment

30 sec

30 seconds (default)

60 sec

60 seconds

120 sec

120 seconds

180 sec

180 seconds

Panic alarm 
switch

With/without panic 
alarm function

Disable

No function

Enable

With function (default)

F.A.S.T. key out 
of car

With/without KOS 
key exterior 
detection function

Enable

No function

Disable

With function (default)

F.A.S.T. feature KOS function 

adjustment

Both enable

All KOS functions are enabled (default).

DoorEntry enable

Only door entry function is enabled.

ENG strt enable

Only engine starting function is enabled.

Both disabled

All KOS functions are disabled.

F.A.S.T. unlock 
disable time

Adjusts the door 
unlock inhibition 
period after door 
lock is activated

0 sec

0 seconds

3 sec

3 seconds (default)

5 sec

5 seconds

Adjustment 
item (scan tool 
MB991958 
display)

Adjustment item

Adjusting contents 
(scan tool MB991958 
display)

Adjusting contents

KOS-ECU

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-278

KOS-ECU

REMOVAL AND INSTALLATION

M1429605900203

WARNING

When removing and installing the KOS-ECU, do not let it bump against the knee air bag mod-
ule.

CAUTION

If KOS-ECU is replaced, refer to ID code registration need judgment table

P.42B-12

 to complete the 

registration of each ID code.

AC607425

AB

1

5.0 ± 1.0 N·m
44 ± 9 in-lb

STEERING SHAFT

Removal 

 

1.

KOS-ECU