SsangYong Korando III (2010 year). Manual — part 159
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2. IMMOBILIZER/REMOTE CONTROL KEY CODING
1) System Overview
While the communication between BCM/SKM and ECU is based on the CAN communication, the
communication between transponder and BCM/SKM is based on LF (Low frequency) and RF (Radio
frequency). When the ignition switch is turned to ON position, the BCM checks the verified transponder
according to the immobilizer verification procedure, if correct, allows the vehicle to start the engine. The
immobilizer indicator comes on during the communication and if the verification is carried out
successfully the indicator goes off.
If there is something wrong in the system, the indicator blinks.
2) System Layout
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8710-01
3) Operation of Immobilizer
When the ignition switch is turned to the ON position with REKES key, the BCM checks the crypto code
of the inserted key using the immobilizer antenna and sends whether the engine is startable or not to the
engine ECU through the CAN communication so that the engine can be started.
BCM
REKES key
Immobilizer antenna
ECU
CAN line
For the vehicle with the immobilizer, there can be a problem in starting the vehicle or the system error:
When two or more immobilizer keys come into contact with (each) other(s).
When the key is close to any device sending or receiving electromagnetic fields or waves other
than Ssangyong products.
When the key is close to any electronic or electric devices such as lighting equipment, security keys
or security cards.
When the key is close to a magnetic or metal object or a battery.
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4) Components of REKES Key
Battery cover
Side & main cover
Battery: CR2032
Transponder
Key plate
Remote control PCB
How to replace battery
▶
Remove the battery cover using a flat screwdriver to replace the battery.
How to replace transponder
▶
Remove battery cover and battery
Remove rubber cover and screw then remove key plate
Remove side cover and main cover
Replace transponder
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Do not drop or shock to the transponder in the key as it may be damaged.
With a damaged transponder, the engine cannot be started.
When you erase the code or register an extra key, please attend on the site.
In any cases, the immobilizer system can not be removed from the vehicle. If you attempt to
remove it and damage the system, starting will be impossible, so never attempt to remove, damage
or modify it.
The remote engine starter cannot be installed to the vehicle equipped with the immobilizer system.
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8712-03
1. SPECIFICATIONS
Item
Specification
Rated voltage
DC 12 V
Operating voltage
DC 6.0V ~ 16.0V
DC 6.0V ~ 18.0V(CAN)
Operation temperature
-30°C to +80°C
Modulation method
FSK
Dark current
5.5 mA + Auto A/P (12 mA)
Maximum humidity
95%
Range
10 m or more (OPEN SITE)
Voltage drop
1.0 V or less
Receive frequency
433.920±0.015 MHz(EU)
315,000±0.015 MHz(GER)
Bandwidth
15 KHz ± 2 KHz or less
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