Section 05 ELECTRICA L SYSTEM
Subsection 05 (RADIO FREQUENCY DIGITALLY ENCODED SECU-
RITY SYSTEM (RF D.E.S.S.))
RADIO FREQUENCY DIGITALLY
ENCODED SECURITY SYSTEM (RF
D.E.S.S.)
GENERAL
SYSTEM DESCRIPTION
The following components are specially designed
for this system: ECM, D.E.S.S. key (inside tether
cord cap) and engine cut-off switch.
The D.E.S.S. key contains a magnet and a RFID
chip.
– The magnet closes the hall effect switch inside
the engine cut-off switch.
– The RFID chip contains a unique digital code. It
is the equivalent of the tooth-pattern cut on a
conventional ignition key.
The D.E.S.S. system allows the engine to start
only if a tether cord cap is installed on the engine
cut-off switch a nd the D.E.S.S. key is recognized
as valid by the ECM.
The D.E.S.S. key is quite flexible:
– Upto8D.E.S.S.keysmaybeprogrammedin
the ECM memory using the BRP diagnostic
system (BUDS2) The keys can also be erased
individually.
– The same D.E.S.S. key can be used on another
vehicle equipped with the D.E.S.S. system. It
only needs to be programmed for that vehicle.
D.E.S.S. Key Types
Three types of keys can be used:
– Normal key
– Learning key
To ease key type recognition, the tether cord float
comes in different colors.
KEY TYPE FLOAT COLOR
Normal Yellow or Black
Learning
Green
smr2015-008-001_a
1. D.E.S.S. Key
2. Tether cord float
Upon tether cord installation, the key type used
is momentarily displayed by the multifunction
gauge.
Learning keys provide a mode of operation
whereby engine power and speed is limited.
There are 5 speed settings available for the learn-
ing key mode. By default, the key modes are
preset to the speed setting (3). Refer to
INTELLI-
GENT THROTTLE CONTROL (iTC)
subsection.
NOTE: Changing key settings is only available
when the engine is not running.
D.E.S.S. Key Beeper Codes
BEEPER SIGNIFI
CATION
A 0.5 second
beep ev
ery
5 seconds
Indicates the D.E.S.S. is reading the
key.
2 short beeps
Indica
tes the D.E.S.S. recognizes
the key.
A 1 seco
nd
beep every
5 seconds
Indicates the D.E.S.S. does not
recognize the key.
NOTE:
Other beeps not related to D.E.S.S. can
be hea
rd. Refer to
DIAGNOSTIC AND FAULT
CODE
S
.
219100893-026 135
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