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03-8
4. START FUNCTION
1) Immobilizer Function
The immobilizer system prevents the vehicle theft by allowing only the authorized key to start the
engine. The transponder inside the key communicates with the immobilizer installed in the key
box, and the system permits the engine to start after confirming the encrypted coding from the
engine ECU.
Transponder
(3)
Sends an encrypted signal to
unit as a response
For the vehicle with the immobilizer, there can be a problem in starting the vehicle or the
system error:
a.
When two or more immobilizer keys come into contact with (each) other(s).
b.
When the key is close to any device sending or receiving electromagnetic fields or waves
other than Ssangyong products.
c.
When the key is close to any electronic or electric devices such as lighting equipment,
security keys or security cards.
d.
When the key is close to a magnetic or metal object or a battery.
(2)
Immobilizer & rechargeable
unit sends encrypted code
to transponder
Immobilizer &
rechargeable unit
(4)
Randomly transmitted code is changed
to an encrypted signal in immobilizer &
rechargeable unit
(5)
System
compares
transponder and encrypted signal in
immobilizer & rechargeable unit
signal
from
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Table of Contents
Troubleshooting
