Mitsubishi Outlander XL. Manual — part 1303
Parts name
Functional description
⦆
The lock switch on the keyless operation key is pressed from
inside the car.
⦆
The lock switch on the keyless operation key is pressed when
the door is ajar.
Receiver antenna module
Receives the operation signals from the lock/unlock switches
and panic alarm switch on the keyless operation key, and the air
pressure signal from the TPMS transmitter, and then converts
them into data and sends them to KOS-ECU.
TPMS transmitter
Measure tire pressure directly, then send radio frequency signal
to receiver antenna module.
Combination meter (Multi information
display, TPMS warning light)
Communicates with KOS-ECU via CAN. Receives the warning
request or warning information from KOS-ECU, flashes or
activates*2the warning indicator or warnig light. Warning symbol
and message is additionally displayed on the multi information
display
ETACS-ECU
Communicates with KOS-ECU via CAN. Send ignition switch
status. Receives the door lock/unlock request from KOS-ECU,
outputs the lock/unlock signal, and flashes the turn signal light
to inform the driver that the doors are locked/unlocked.
ECM
Communicates with KOS-ECU via CAN. Permits/inhibits the
engine starting and controls the engine operation. Send
atmospheric pressure data.
ABS or ASC-ECU
Communicates with KOS-ECU via CAN. Sends the vehicle
speed data.
NOTE:
*1: When registering the keyless operation
keys, KOS-ECU numbers each key (1 to 4) in the
order they are registered (initial priority). This
priority is renewed each time the doors are
locked/unlocked and the IG knob is pressed. For
example, when only keys 1 and 3 have responded to
the signal sent from KOS-ECU, the new priority of
the keys would be 1-3-2-4. When keys 3 and 4 have
responded, then the priority of the keys becomes
3-4-1-2.
NOTE:
*2: Illuminates for tire pressure warning.
Flashes for about 1 minute and then coutinuously
illuminated for TPMS malfunction warning.
42B-6
KEYLESS OPERATION SYSTEM (KOS)
GENERAL INFORMATION
System configuration
ZC600946
Door lock actuator
ETACS-ECU
Turn-signal light
Steering unit
Push switch
Steering lock unit
Unlock sensor and
lock switch
(driver's side door)
Unlock sensor and
lock switch
(passenger's side door)
Liftgate lock release
handle and lock switch
(liftgate)
Outer buzzer
Receiver antenna module
ECM
Combination meter
(Multi center display, TPMS warning light )
KOS-ECU
Lock switch
Unlock switch
Emergency key (incorporating a transponder)
Indicator light
Radio
frequency
signal
CAN-B
communi-
cation
Front
Rear:
Driver's side
Driver's side
Passenger's side
Liftgate
Rear:
Passenger's side
CAN-C comm-
unication
0001
Liftgate lock actuator
Keyless operation key
Exterior transmitter
antenna assembly
Interior transmitter
antenna assembly
Radio
frequency
signal
Radio
frequency
signal
Radio
frequency
signal
Front tire (LH)
Front tire (RH)
Rear tire (LH)
Rear tire (RH)
TPMS transmitter
CPU
Transmission
circuit
Antenna
Pressure
sensor
Acc.
sensor
Battery
ABS or ASC-ECU
Dome light,
Ignition key cylinder
illumination light
Horn
KEYLESS OPERATION SYSTEM (KOS)
42B-7
GENERAL INFORMATION
SYSTEM OPERATION
DOOR ENTRY FUNCTION
M24200100004USA0000010000
ZC600226
ZC600259
ZC600218
0000
Front door outside handle (driver's side)
Front door outside handle (passenger's side)
Liftgate lock
release handle
Keyless operation key
42B-8
KEYLESS OPERATION SYSTEM (KOS)
SYSTEM OPERATION
ZC600227
AC505247
AC505250
AC506192
AC505249
0000
B
A
View A
View B
Lock switch
Lock switch
License plate light
Unlock sensor
Liftgate lock
release handle
Liftgate lock release handle
Door outside handle (Driver’s side, front passenger’ side)
When a driver carrying a keyless operation key
presses a lock switch on the driver-side/front
passenger-side door outside handle or on the liftgate
lock release handle, unlock sensor on the door
outside handle, or liftgate lock release handle (switch)
(Refer to GROUP 42A, Door and Liftgate Lock P.
42A-12), the keyless operation key and KOS-ECU
communicate to certify* the keyless operation key.
When KOS-ECU certifies the registered keyless
operation key within 70 cm (28 inches) in radius from
these switches and sensors on outer side of the
vehicle, it requests ETACS-ECU to lock/unlock the
doors. (The key may not be certified even it is within
this range, when it is positioned too high or too low).
NOTE:
*: In the communication for certification
of the keyless operation key, KOS-ECU judges if
the keyless operation key ID (specified to keyless
operation key) contained in the response data from
the keyless operation key coincides with the ID
that has been stored in ECU by registration
operation. The keyless operation key sends the
response to KOS-ECU only when the KOS ID (specific
to KOS-ECU) contained in the received data
coincided with the stored ID. In the beginning of
the communication for certification, KOS-ECU
creates a encrypted code calculation factor in
random number, and sends it to the keyless
operation key together with the transmit data. The
keyless operation key calculates the code by using
the received factor, and sends the result to KOS-
ECU together with the response data. KOS-ECU
determines that the communication is established
only when the code calculation results of the both
parties coincided.
UNLOCKING OPERATION OF DOOR
ENTRY FUNCTION
The keyless operation key and KOS-ECU
communicate to certify the keyless operation key
when the unlock sensor on the driver-side/front
passenger-side door outside handle or the liftgate lock
release handle (switch) is turned ON. When KOS-
ECU certifies the registered keyless operation key on
the outer side of the vehicle, it requests ETACS-ECU
to unlock the doors.
KEYLESS OPERATION SYSTEM (KOS)
42B-9
SYSTEM OPERATION
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