2012 SSANGYONG KORANDO stop start

04-118712-03
(2) Passive LOCK
When the system searches for a smart key by the input from the outside door handle switch, the SKM
sends the passive LOCK signal to the BCM if all the doors are closed and a normal smart key is found
outside the vehicle.
Passive LOCK hardware control ▶
The SKM sends the door LOCK/UNLOCK signal to the BCM through the BCAN network when a
smart key is verified after the signal from the driver/passenger outside door handle switch is received
through the hardware.
The SKM sends the signal to the BCM and instrument cluster when the warning and indicator
display conditions are met. 1.
2.
Passive LOCK by outside door handle switch ▶
When the ignition status is OFF, ACC ON or IGN ON, the SKM performs the verification procedure if the
LOCK signal is received from the driver/passenger door handle switch.
When the outside door handle switch is operated, the SKM verifies if a smart key is outside the
vehicle using the corresponding exterior antenna.
The SKM sends the signal for [Passive LOCK command] to the BCM through the BCAN if a smart
key is identified as being outside the vehicle.
If no smart key is verified as being outside the vehicle, this process is stopped and restarted when the
next signal is received from the outside door handle switch.
When the driver's door is unlocked with the ignition status ACC ON, the SKM changes the ignition
status to OFF and sends the signal for [Passive LOCK command] to the BCM through the BCAN to
lock the door. The BCM ignores the signal if the ignition status is IGN ON.
The SKM recovers the deactivated smart key function inside the vehicle when it receives the theft
deterrent deactivation signal from the BCM through the BCAN communication. 1.
2.
3.
4.
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04-12
The system first identifies the last smart key used, and then identifies all the other registered smart
keys until a normal smart key is verified.
The system identifies the smart keys by using the outside door handle antenna on the door handle
switch which has sent the signal.
Smart key search input: The last door is opened and then closed. Outside door handle switch, Brake
switch, START switch (Tailgate open request) 1.
2.
3.Smart key search mode ▶Searching for other keys ▶
When the ignition status is IGN ON or ACC ON, the SKM starts to verify the smart key if any door is
opened and then closed. If one or more smart keys are verified as being in the vehicle, the smart key
verification procedure is stopped. If no verified smart key is identified as being in the vehicle, the SKM
sends the signal which identifies that there is no verified key inside the vehicle to the BCM and instrument
cluster through the BCAN (Smart key not identified warning).Interruption of door LOCK & Smart key function by outside door handle switch ▶
When the door LOCK signal is received from the driver/passenger door handle switch with the ignition
status OFF or ACC ON, the SKM identifies the verified smart key and sends the passive LOCK signal
to the BCM through the BCAN if the ignition is turned to OFF.
The SKM receives the theft deterrent mode information signal from the BCM through the BCAN.
If there is any verified smart key in the vehicle, the function of the verified smart key is interrupted. 1.
2.
3.

04-138712-03
(3) Passive UNLOCK
When the system searches for a smart key by the input from the outside door handle switch, the SKM
sends the passive UNLOCK signal to the BCM if all the doors are closed and a normal smart key is
found outside the vehicle.
Passive UNLOCK hardware control ▶
The SKM sends the door LOCK/UNLOCK signal to the BCM through the BCAN network when a
smart key is verified after the signal from the driver/passenger outside door handle switch is received
through the hardware. 1.
Passive UNLOCK by outside door handle switch ▶
When the ignition status is OFF, ACC ON or IGN ON, the SKM starts to verify the smart key if below
conditions are met.
When the driver or passenger door handle switch is operated, the SKM verifies if a smart key is outside
the vehicle using the corresponding antenna.
When the outside door handle switch is operated, the SKM verifies if a smart key is outside the
vehicle using the corresponding exterior antenna.
The SKM sends the signal for [Passive UNLOCK command] to the BCM through the BCAN if a
smart key is identified as being outside the vehicle.
If no smart key is identified as being outside the vehicle, this process is stopped and restarted when
the next signal is received from the outside door handle switch.
When the driver's door is locked with the ignition status ACC ON or IGN ON, the SKM sends the
signal for [Passive UNLOCK command] to the BCM through the BCAN to unlock the door without
changing the ignition status to OFF. 1.
2.
3.
4.
Smart key search mode ▶
The system first identifies the last smart key used, and then identifies all the other registered smart
keys until a normal smart key is verified.
The system identifies the smart keys by using the outside door handle antenna on the door handle
switch which has sent the signal.
Smart key search input: The last door is opened and then closed. Outside door handle switch, Brake
switch, START switch (Tailgate open request)
Exceptional mode
When operating the door handle switch, the system changes the smart key searching conditions in
vehicle inside and outside according to the theft deterrent mode.
- Searching sequence when disarmed by BCM: Inside > Outside
- which function is restricted when the BCM is in theft deterrent mode. 1.
2.
3.
4.

04-14
(4) Passive tailgate open
When a normal smart key is found by the signal from the tailgate open switch, the system sends the
tailgate open control signal to the BCM.
Passive tailgate open hardware input/output control ▶
The SKM receives the tailgate open switch signal from the BCM through the BCAN communication.
The SKM sends the tailgate open output signal to the BCM through the BCAN communication. 1.
2.
Tailgate open switch control ▶
Tailgate closed -> open
When the ignition status is OFF, ACC ON or IGN ON, the SKM starts to verify the smart key in the
tailgate open actuation area after receiving the tailgate open signal for [tailgate open request] from the
BCM through the BCAN.
The SKM sends the signal for [Passive tailgate open] to the BCM through the BCAN to open the
tailgate and deactivate the theft deterrent mode if a smart key is identified as being outside the vehicle.
If no smart key is identified as being outside the vehicle, this process is stopped and restarted when
the next tailgate open request signal is received. 1.
2.
Smart key search mode ▶
The system first identifies the last smart key used, and then identifies all the other registered smart
keys until a normal smart key is verified.
If the tailgate antenna identifies a normal smart key, the system searches for a smart key in inside
area of the tailgate and inside the vehicle.
The tailgate is opened only when a valid smart key is found within the tailgate antenna range, and the
tailgate is not operated by a smart key in inside area of the tailgate.
Smart key search input: The last door is opened and then closed. Outside door handle switch, Brake
switch, START switch (Tailgate open request) 1.
2.
3.
4. Tailgate open -> closed
When the tailgate is closed with all the other doors are closed, the SKM sends the signal for [smart
key inside the vehicle] through the BCAN if there is a verified smart key inside the vehicle.
When the tailgate is opened and then closed in theft deterrent mode, the signals for [external buzzer]
and [smart key detect warning] are sent for 10 sec. through the BCAN if there is a verified smart key
inside the vehicle. -

04-158712-03
(5) Puddle (approach) lamp control
Operating condition ▶
When the driver approaches the vehicle in theft deterrent mode (within 1 m), the SKM sends the
puddle lamp operation signal through the BCAN if a smart key is identified.
The SKM starts to search for a smart key 30 sec. after the vehicle has entered the theft deterrent
mode. -
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Continuous operation ▶
Reset conditions ▶
Standby mode operation ▶When a smart key is identified within 1 m from the vehicle in theft deterrent mode, the SKM sends the
puddle lamp operation signal (10 min. timer activated) through the BCAN. If a smart key is
continuously found within 10 min. the SKM sends the puddle lamp signal again for continuous
operation (up to 2 times within 10 min.)
The SKM starts to search for a smart key 30 sec. after sending the 1st puddle lamp operation signal.
If a smart key is found, the SKM sends the 2nd operation signal. -
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10 min. timer terminated
Re-entering theft deterrent mode after deactivation -
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Duration Function Time (s)
1st within 5 days Normal monitoring time 1.25
2nd within 5 to 14 days Increasing monitoring time 1.5
3rd 14 days or more Vehicle is stationary.
The SKM sends the signals for [AUTO approach], [REKES UNLOCK] and [Passive UNLOCK] through
the BCAN to control the puddle (approach) lamp by AUTO puddle (approach) lamp ON, REKES
UNLOCK and Passive entry UNLOCK.
Default setting is AUTO approach.
The AUTO approach function can be turned ON or OFF using a diagnostic device.AUTO puddle (approach) lamp ON ▶
REKES or Passive door LOCK/UNLOCKStop/Standby operation reset condition: ▶
The SKM sends the signals for [REKES UNLOCK] and [Passive UNLOCK] to control the puddle
(approach) lamp ON function by REKES UNLOCK and Passive entry UNLOCK in theft deterrent mode. Puddle (approach) lamp ON by REKES UNLOCK & Puddle (approach) lamp ON by Passive
entry UNLOCK ▶

04-198712-03
4) Smart Key Verification Time Control
(1) Pre-verification timer
When the operation signal from the START switch is received, the START & power control functions can
be performed without smart key verification.
(2) Immobilizer verification timer
The immobilizer verification status indicates that it is possible to respond to the request message sent
from the EMS to deactivate the immobilizer. The SKM verified a smart key and the engine can be
started.
The 30-second immobilizer verification time is started when:
the ignition status is changed to IGN by the START switch while the pre-verification timer is activated.
the ignition status is changed to IGN by the smart key verification while the pre-verification timer is
stopped; the SKM verified a smart key by the brake switch signal while the immobilizer verification
timer is stopped or the ignition status is IGN ON.
the SKM verified a smart key successfully if the immobilizer verification timer is stopped with IGN
ON/immobilizer verification /brake switch ON. -
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-
Condition SKM operation
- when door closed signal is input with - B+ or ACC ON
- when brake is applied with - B+ or ACC ON
- when START switch is operated with - B+
- when smart key is inserted into slot & brake switch is
operated or START switch is operated with - B+Once the vehicle interior verification
is completed, 30 sec. pre-verification
timer is started
when the ignition is turned OFF with IGN ON and engine
running 30 sec. pre-verification timer is
started without re-verification
Timer deactivation conditions: after 30 sec. has passed, IGN ON, Outside door handle switch ON,
entering theft deterrent mode when door condition is changed
IGN1 OFF
30 sec. has passed after immobilizer verification
Any door is opened and then closed when all doors are closed & smart key out
When the engine starts to run, the immobilizer verification status is determined, and the immobilizer will
not be deactivated until the ignition status is changed to IGN/ACC/OFF.
The immobilizer is not deactivated when the key out warning condition is met while the engine is
running. (when the RND is received by the EMS reset while the engine is running)
When attempting to start the engine without immobilizer verification, the system performs smart key
verification procedures, and sends the engine start request to EMS only when the verification result is
normal. -
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*
*
*Entry conditions ▶
Deactivation condition ▶

04-20
5) Start & Power Mode Control
The smart key system performs the smart key verification inside the vehicle to operate the
'Passive/Emergency start' and 'Power mode control'. It performs the following functions according to the
verification result.
Power mode control: Ignition status change
Immobilizer communication with EMS
Start request transmission to EMS -
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(1) Hardware interface
Replace the input shaft speed sensor with EMM or A/T and perform the TCU initialization and
coding work. ▶
Start button
- The SKM receives the signals from the START button and changes the ignition status or
stars/stops the engine.
Immobilizer holder antenna
- The SKM communicates with immobilizer antenna to verify the smart keys. 1.
2.
Output ▶
ACC relay
- The SKM operates the ACC relay.
IGN1 relay
- The SKM operates the IGN1 relay.
IGN2 relay
- The SKM operates the IGN2 relay.
START ready display
- The SKM operates the START ready display.
ACC status display
- The SKM operates the ACC status display.
ON status display
- The SKM operates the ON status display.
LF antenna
- The SKM controls the LF antenna outputs. 1.
2.
3.
4.
5.
6.
7.

04-218712-03
(2) Ignition status change
The ignition status is changed to OFF, ACC ON, IGN ON and engine cranking by one START/STOP
button.
The SKM cuts the power for IGN2 and ACC relays while the engine is cranking as cutting the electric
load is necessary.
The SKM monitors the brake pedal status through the hardware signals.
The ignition status change is available when the engine START/STOP button is pressed.
The SKM uses the EMS (engine condition) and ABS/ESP (FR vehicle speed) signals sent through the
P-CAN bus (High Speed CAN).
When the smart key battery is discharged and the driver inserts the smart key into the immobilizer slot
in emergency mode, the smart key verification is performed if the brake or START switch is pressed
before the ignition status is changed (ACC ON, IGN ON).
Ignition status change during driving 1.
2.
3.
4.
5.
6.
7.
When the engine START/STOP switch is pressed for 3 sec. or more at more than 3 km/h, the
ignition status is changed from IGN to ACC.
If the engine START/STOP switch is pressed again, the ignition status is changed from ACC to
IGN.
The 4 vehicle speeds are abnormal (CAN signal timeout, abnormal signal):
If the engine START/STOP switch is pressed for 3 sec., the ignition status is changed from IGN
to ACC. If the switch is pressed again, the ignition status is changed from ACC to OFF (DTC
set). -
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The SKM changes the ignition status as follows: 8.