03-26
4) Door Ajar Warning
While the BCM without SKM controls the warning lamp, the BCM with SKM controls the warning lamp
and sends the signal via the BCAN communication. But, this control is available only when any of doors
or tailgate, except engine hood, is open.
The instrument cluster controls the door ajar warning lamp according to the signal from the BCM.
(However, the BCM controls the door ajar warning lamp with the electric wire together with the BCAN
communication.)
Also, the instrument cluster controls the blinking function according to the vehicle speed.
(However, the BCM controls the door ajar warning lamp blinking with the electric wire together with
the BCAN communication.) 1.
2.
(*1) : Ajar: Driver, passenger, rear door or tailgate is open
Close: Driver, passenger, rear door and tailgate are closed
03-278710-01
5) Seat Belt
Seat belt warning ▶
When turning the ignition switch (IGN1) to ON from OFF position, the BCM sends the driver and front
passenger seat belt warning signals to the instrument cluster module through the CAN
communication, and the buzzer sounds for 0.6 seconds with the interval of 0.02 s ON and 1.38 s
OFF. If the driver/passenger seat belts are fastened, the buzzer does not sound but the warning lamp
blinks during the period. (the buzzer is controlled by BCM and the warning lamp is controlled by ICM)
For the passenger seat, however, the system detects if the passenger seat is empty or occupied and
operates the warning lamp only for the first time.
After that, the only seat belt reminder detects if the passenger seat is occupied.
For the driver seat, the seat belt reminder operates only when the seat belt is not fastened at the
vehicle speed of 25 km/h or higher.
The instrument cluster module controls the driver/passenger seat belt warning lamps by receiving the
driver/passenger seat belt warning lamp signals.
When turning the ignition switch (IGN1) to OFF position during the warning operation, the buzzer
stops and the warning lamp goes off.
If the driver/passenger seat belt is fastened during the warning operation, the buzzer stops but the
warning lamp blinks for the remaining time of the period.
If the driver/passenger seat belt signal changes to "unfastened" from "fastened" with IGN1 ON, the
driver/passenger seat belt warning lamp comes on and the buzzer sounds again for 0.6 seconds.
But, if the condition for seat belt reminder operation is met during the warning operation, the warning
operation stops and the seat belt reminder function is activated. 1.
2.
3.
4.
5.
03-28
Seat belt reminder ▶
Operating conditions for seat belt reminder are as follows: IGN ON, engine running (over 300 rpm),
vehicle speed of 25 km/h or higher, driver seat belt unfastened, passenger seat belt unfastened and
passenger seat occupied. In addition, if the seat belt reminder is activated at the speed of 25 km/h or
higher and the speed reduces to below 25 km/h within 5 minutes, the interior buzzer sound stops. The
buzzer sounds for 5 minutes again when the speed is 25 km/h or higher.
The seat belt reminder stops its operation when fastening the seat belt, but starts the operation again if
unfastening the seat belt.
If the seat belt reminder is initially operated due to unfastened driver seat belt, the buzzer sounds with
the interval of 0.02s ON/1.18s OFF, the instrument cluster sends the driver seat belt warning signal
(SBR) and the seat belt warning lamp stays on.
At this time, the buzzer sounds for 5 minutes.
If the seat belt reminder is operated due to unfastened passenger seat belt when the passenger seat
belt reminder sensor detects that the passenger seat is occupied, the instrument cluster sends the
driver seat belt warning signal and the seat belt warning lamp stays on.
For this case, the indicator shows each status of the driver and passenger seats but the indoor buzzer
is common to both seats.
If the simultaneous operating condition for the indoor buzzer is met, the driver seat has the priority.
If the driver seat belt is fastened, the same operation is also carried out in the passenger seat
automatically.
The buzzer and the warning lamp are operated according to the vehicle speed as below table during
the seat belt reminder operation. 1.
2.
3.
4.
5.
Seat belt reminder operation
<007700990090009600990090009b00a000470096008d00470089009c00a100a1008c0099004700960097008c00990088009b00900096009500610047007a0069007900470d7d00470072008c00a000470099008c009400900095008b008c00990047009e00
880099009500900095008e00470d7d0047007a009c00950099>oof warning ⇒ Tail lamp ON
<009e00880099009500900095008e00470d7d0047006f008800a100880099008b0047009e00880099009500900095008e0047008d00930088009a008f008c009900470d7d0047007b009c009900950047009a0090008e009500880093004700930088009400
970055> 6.
Buzzer Warning lamp
25 Km/h ~ 49 Km/h 0.02s ON / 1.18s OFF Keep ON
50 Km/h ~ 99 Km/h 0.02s ON / 0.98s OFF Keep ON
10 Km/h ~ 49 Km/h 0.02s ON / 0.78s OFF Keep ONFunction
Vehicle speed
Seat belt remind warning lamp (EU only)
This lamp comes on for 6 seconds after turning on the ignition switch. If the vehicle speed goes
over 10 km/h without fastened the seat belt, the inside buzzer sounds. -
04-6
2. INPUT/OUTPUT DIAGRAM
Major functions ▶
Passive LOCK/UNLOCK by outside door handle switch
Passive UNLOCK by tailgate open switch
Passive START by START switch
Engine ECU and High speed CAN communication
BCM, Instrument cluster and Low speed CAN communication
RF communication for REKES operation
Smart key system warning function
Smart key registration (up to 3 keys) 1.2.
3.4.
5.6.
7.8.
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.
-
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.
04-278712-03
8) SKM Warning Control
(1) Smart key not found warning (Key out warning)
If no verified smart key is identified as being in the vehicle with IGN ON or ACC ON, 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 found warning). This warning continues for up to 10 sec. until the
warning condition is deactivated.
The SKM stops the warning immediately after the warning condition is deactivated.
Initial condition:
Operation by driver
<006b009600960099009a006100470063006b009600960099009a004700960097008c00950047008c009f008a008c0097009b0047008b00990090009d008c0099004e009a0047008b00960096009900650047004d00470063007b008800900093008e008800
9b008c004700960097008c0095006502e70047006300680093>l doors closed> &
SKM operation -
-
-
The SKM starts to identify a smart key by using the interior antenna after confirming that all the
doors are closed through CAN communication.
If no smart key is found it sends the signal for [Smart key not found warning].
* No cyclic smart key searching after transmission
If a smart key is found, no operation is performed.
- Smart key not found warning deactivation conditions
If below conditions are met, the SKM sends the signal for [Smart key not found warning]
to deactivate the warning.
:
2.
3. Smart key not found warning with ACC ON ▶
Smart key not found warning with IGN/ENGINE ON ▶
Initial condition:
Operation by driver
<006b009600960099006100470063006b009600960099004700960097008c009500650047004d00470063007b008800900093008e0088009b008c004700960097008c00950065004702e7004700630068009300930047008b009600960099009a0047008a00
930096009a008c008b00650047004d00470063007b00880090>lgate closed>
SKM operation -
-
-
The SKM starts to identify a smart key by using the interior antenna if the [Smart key not found
warning] signal is not output.
a. If no smart key is found it sends the signal for [Smart key not found warning].
b. If a smart key is found, no operation is performed.
The SKM searches for a smart key inside the vehicle at 3 sec. intervals while the [Smart key not
found warning] signal is output.
a. If no smart key is found it sends the signal for [Smart key not found warning].
b. If a smart key is found it sends the signal for [Smart key not found warning
deactivation] signal to deactivate the key out warning. 1.
2.
04-28
Smart key not found warning deactivation conditions
If below conditions are met, the SKM sends the signal for [Smart key not found warning
deactivation] to deactivate the warning. -
A smart key is found while the smart not found warning signal is output.
2.
(2) Smart key detection warning
When a valid smart key sends the LOCK signal from outside of the vehicle or the outside door handle
switch is pressed with no smart key outside, the smart key detection warning signal is output, provided
that all the doors or the tailgate is closed with IGN OFF or ACC ON and a smart key is in the vehicle.
Smart key detection warning conditions ▶
When a valid smart key sends the LOCK signal from outside of the vehicle, the SKM sends the signals
for [external buzzer] and [smart key detection warning] to the BCM and instrument cluster through the
BCAN to inform the driver of the existence of a verified key inside the vehicle, provided that all the doors
or the tailgate is closed with IGN OFF or ACC ON and a smart key is in the vehicle.
Smart key inside vehicle warning 2.
If a smart key including immobilizer slot is identified as being in the vehicle after the outside door handle
switch is pressed, the SKM sends the signals for [external buzzer] and [smart key detection warning] to
the BCM and instrument cluster through the BCAN to inform the driver of the existence of a verified key
inside the vehicle.
These 2 warnings (external buzzer, smart key detection warning) continue for up to 10 sec. until the
warning conditions are deactivated under the above conditions.
The SKM stops these warnings immediately after the warning conditions are deactivated. -
Smart key detection warning deactivation conditions ▶Deactivation warning 1.
Function stop warning deactivation conditions 1.
When theft deterrent deactivated
The SKM sends the signals for [external buzzer] and [smart key detection warning
deactivation].
Smart key inside vehicle warning deactivation conditions
When the door is opened and then closed and no smart key is found, the SKM sends the
signals for [external buzzer] and [smart key detection warning deactivation]. -
-