NOTE: In this manual, F.A.S.T.-key (Free-hand
Advanced Security Transmitter) is described as Key-
less Operation System (KOS). (KOS is indicated as
F.A.S.T. in the scan tool display.)
The keyless operation system (KOS) enables the
driver to unlock all the doors and the trunk lid by just
pulling the front door outside handle or operating the
trunk lid open switch, without taking the key out from
his/her pocket or bag when he/she is carrying a key-
less operation key that is registered to the vehicle's
KOS-ECU. (When the driver's front door outside han-
dle is operated, only the driver's door is unlocked.)
KOS also allows the driver to lock all the doors by
pressing the lock switch on the front door outside
handle (door entry function), and start the engine
without using the conventional mechanical key
(engine start function). Moreover, KOS incorporates
the keyless entry function with which, like the con-
ventional keyless entry system, a driver can perform
the remote operation (opening/closing of all the
doors, opening of the trunk lid, warning function to
warn a person who intends to damage the vehicle

)

by operating the lock/unlock button, trunk lid button,
and panic button on the keyless operation key. The
system also incorporates the immobilizer function
that prohibits the starting of engine by using an unau-
thorized key as well as the tire pressure monitoring
system (TPMS) that issues a warning to a driver by
illuminating or flashing the warning light if an abnor-
mality to the tire pressure or the system error is
detected. KOS has the following features:

• Each vehicle is provided with two keyless opera-

tion keys, and up to four keyless operation keys
can be equipped.

• The keyless operation key also incorporates an

indicator light that enables the driver to check if
the signal is transmitted correctly or if the battery
in the key is discharged. (Refer to

P.42B-13

• The keyless operation key incorporates an emer-

gency key to lock/unlock the front doors when the
battery in the keyless operation key is discharged
or the keyless operation system is not working
normally. Also by using it simultaneously with the
keyless operation key (insert the emergency key
into the keyless operation key in the inverted
direction), the engine can be started. (Refer to

P.42B-17

NOTE: If the immobilizer related system failure
occurs, the engine may not start.

• The driver can customize KOS; enabling the door

entry/engine start function, disabling the door
entry/engine start function, enabling the door
locking/unlocking function only, or enabling the
engine starting function only. (Refer to

P.42B-28

NOTE:

: Horn sounds, and headlights and taillights

flash.

GENERAL INFORMATION

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-3

CONSTRUCTION DIAGRAM

AC709242

AC506891

AC506892

AC611960

AC709237

ECM

Exterior transmitter
antenna assembly
(Driver's side)

Antenna and tone alarm assembly
<Exterior transmitter antenna
assembly (Trunk lid),
Outer tone alarm>

KOS-ECU

ETACS-ECU

Steering lock
(Push switch,
Steering lock unit)

IG knob cap

Lock switch and Unlock sensor

(Driver's side door, Passenger's side door)

Unlock sensor

Lock switch

Lock switch and
Unlock sensor
(Passenger's side door)

IG knob

Receiver
antenna module

Section A - A

Unlock
sensor

Front door
outside
handle

Door
assembly

Lock switch and
Unlock sensor
(Driver's side door)

Exterior transmitter
antenna assembly
(Passenger's side)

Interior transmitter
antenna assembly (Rear)

Interior transmitter
antenna assembly (Front)

TPMS transmitter
(Tire pressure sensor)

Trunk lid
opener switch

ASC-ECU

Reciever antenna assembly

Ignition switch

Front of vehicle

GENERAL INFORMATION

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-4

AC709248

SERVICE

REQUIRED

LOW

TIRE PRESSURE

Multi information display
(Built in combination meter)

TPMS
warning light

AC709246AB

Emergency key

Keyless operation key

Emergency key

Lock button

Unlock button

Indicator light

Trunk lid button

Panic button

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