Mitsubishi Outlander (2013+). Manual - part 188

SYSTEM OPERATION

KEYLESS OPERATION SYSTEM (KOS)

42B-20

NOTE: 

If the keyless operation key battery is discharged, the 
one-touch start system (power supply changeover, 
engine start/stop) becomes available when the key-
less operation key is inserted into the key slot 
located in the floor console. When inserting the key-
less operation key to the key slot, easy locking of the 
key can be performed by inserting the key from the 
emergency key side.

Power supply changeover control (Operation description)

ACB05584AB

Antenna receiving area

Interior transmitter antenna assembly (Rear)

Interior transmitter antenna assembly (Front)

ACB05527

Key slot

AB

Keyless operation key

Centre panel box

AC905170

Keyless
operation 
key

Engine switch

Selector lever
assembly

KOS-ECU

OSS-ECU

ETACS-ECU

Electric steering lock

Key slot

or

<3>

<2>

<2>

<4>

<5>

<6> <7>

<8>

<1> <7> <8>

AD

<8>

Keyless
operation 
key

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SYSTEM OPERATION

KEYLESS OPERATION SYSTEM (KOS)

42B-21

Electric steering lock locking/unlocking control (Operation description)

Flow of power supply changeover control

<1>

Under the power OFF status, operate the engine switch without depressing the brake pedal.

<2>

By the operation of engine switch, OSS-ECU sends KOS-ECU the certification request via CAN, 
and at the same time, supplies the electric steering lock unit power to the electric steering lock.

<3>

In accordance with the certification request from OSS-ECU, KOS-ECU performs the certification 
communication with the keyless operation key.

<4>

KOS-ECU sends the key certification result to OSS-ECU via CAN. OSS-ECU compares its 
certification result with the KOS-ECU certification result, and goes to <5> when the results agree 
with each other.

<5>

OSS-ECU performs the certification communication with the electric steering lock via LIN (local 
LIN). The electric steering lock compares the certification result with that of OSS-ECU, and 
unlocks the steering lock when the results agree with each other.

<6>

After the certification communication with the electric steering lock, OSS-ECU sends the ACC 
output to ETACS-ECU. Then, ETACS-ECU drives the internal ACC relay to turn the power to 
ACC.

<7>

With the power supply set to ACC, when the engine switch is operated again without depressing 
the brake pedal <CVT vehicle>, OSS-ECU sends the IG1 output. Then, the current is supplied to 
the IG1 relay in ETACS-ECU, thus driving the IG1 relay and turning the power ON. (At this time, 
OSS-ECU also communicates with engine-ECU to certify the engine start.)

<8>

With the power supply set to ON, when the engine switch is operated again without depressing 
the brake pedal, the power of the CVT vehicle is turned OFF when the selector lever is in the P 
position, or the power is turned to ACC when in other than the P position. When the vehicle 
speed information, which is received via CAN, cannot be received or when the vehicle speed is 3 
km/h or more, any standard engine switch operations will not be accepted. However, the power 

can be turned to ACC by the emergency stop operation

*

.

NOTE: 

*

: The emergency stop operation refers to the operation to press and hold the engine 

switch for 3 seconds or longer, or to repeatedly press the engine switch 3 times or more within 1 
second. After the emergency stop operation, OSS-ECU will not accept the engine switch 
operation for 2 seconds.

AC905172

KOS-ECU

OSS-ECU

<2> <4>

<3>

<1> <5>

AC

Electric steering lock

Flow of electric steering lock unlocking control

•

Lock status of electric steering lock

<1>

KOS-ECU outputs the actuator driving permission signal to the electric steering lock.

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SYSTEM OPERATION

KEYLESS OPERATION SYSTEM (KOS)

42B-22

<2>

By the operation of engine switch, OSS-ECU sends KOS-ECU the certification request via CAN, 
and at the same time, supplies the electric steering lock unit power to the electric steering lock.

•

Matching of certification results with KOS-ECU (Refer to Step <1> to <4> of power supply 
changeover control.)

<3>

OSS-ECU performs the certification communication with the electric steering lock via LIN (local 
LIN). The electric steering lock compares the certification result with that of OSS-ECU, and 
unlocks the electric steering lock by driving the internal actuator when the results agree with each 
other.

<4>

After the electric steering lock is unlocked, OSS-ECU stops the supplying of electric steering lock 
unit power to the electric steering lock. (Subsequently, OSS-ECU sends the ACC output to 
ETACS-ECU. Then, ETACS-ECU drives the internal ACC relay to turn the power to ACC.)

<5>

After the engine is started, KOS-ECU stops the actuator driving permission signal for the electric 
steering lock.

Flow of electric steering lock unlocking control

AC905174

KOS-ECU

OSS-ECU

<2> <3>

<2>

<1>

<2>

AB

ETACS-ECU

Electric steering lock

Flow of electric steering lock locking control

•

Unlock status of electric steering lock

<1>

KOS-ECU supplies the actuator driving power to the electric steering lock.

<2>

With the power supply set to OFF, OSS-ECU receives the door status change (excluding tailgate) 
from ETACS-ECU via CAN. Using the door status change from "Open to Close to Open" as a 

trigger

*

, OSS-ECU supplies the electric steering lock unit power to the electric steering lock, and 

then performs the certification communication via LIN (local LIN). The electric steering lock 
compares the certification result with that of OSS-ECU, and locks the steering lock by driving the 
internal actuator when the results agree with each other.

NOTE: 

*

: The trigger also includes the operation of lock/unlock button on keyless operation key 

as well as the door locking/unlocking by the operation of keyless operation switch.

<3>

After the electric steering lock is locked, OSS-ECU stops the supplying of electric steering lock 
unit power to the electric steering lock.

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SYSTEM OPERATION

KEYLESS OPERATION SYSTEM (KOS)

42B-23

Engine start control (Operation description.)

WARNINGS/ALARMS <Standard meter>

M2421009300426

KOS WARNING AND WARNING INDICATOR LIST

When the KOS fails or operates improperly, the 
KOS-ECU warns the driver of this by setting off the 
outer buzzer and by displaying the keyless operation 
warning by the indicator lamp in the combination 
meter.

AC905173

OSS-ECU

Engine switch

Brake pedal

ETACS-ECU

Engine-ECU

<2>

<2> <4>

<3>

<3>

<1>

<1>

AD

Flow of engine start control

<1>

With the power supply set to OFF, operate the engine switch while depressing the brake pedal.

•

Matching of certification results with KOS-ECU and electric steering lock (Refer to Step <2> to 
<5> of power supply changeover control.)

<2>

At the same time with the transmission of certification request to engine-ECU via CAN, OSS-ECU 
also sends the starter output to engine-ECU.

<3>

Engine-ECU supplies current to the starter relay to perform cranking. Also, engine-ECU 
compares its own certification result with the OSS-ECU certification result, and starts the engine 
when the results agree with each other. (If the certification results do not agree with each other, 
engine-ECU stops the supplying of current to the starter relay and injector. Also, OSS-ECU stops 
the starter output.)

<4>

After the engine start is complete, OSS-ECU stops the starter output.

Item

Indicator

State

Warning operation Warning cancellation 

condition (when any of 
the condition met)

Keyless 
operation key 
battery low 
voltage 
warning

The keyless operation 
key with low battery 
voltage is detected 
when the engine 
switch is pressed.

Warning indicator 
flashes for 30 
seconds.

• Power supply mode 

OFF is detected.

• 30 seconds have 

passed after the 
warning output started.

AC809615

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