PEUGEOT ACI -100 Workshop Manual
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ACI 100
Anti theft with
transponder
GB
WORKSHOP DOCUMENTATION
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CONTENTS
INTRODUCTION
page ..........................................................................................................................2
DESCRIPTION OF THE SYSTEM
page ..........................................................................................................................3
- Operating principle
- Memorisation of the system
PROCEDURE FOR MEMORISING THE KEYS
page ..........................................................................................................................4
- Checking memorisation
- Erasing the keys from memory
SPECIFIC INSTRUCTIONS
page ..........................................................................................................................5
- 1. Loss or destruction of the master key
- 2. Loss or destruction of one black key
- 3. Remplacing the key contact switch
- 4. Remplacing the ACI 100 unit
- Precautions for use
F AUL T FINDING ON THE ACI 100 IGNITION SYSTEM
page ..........................................................................................................................6
- Principle of fault finding
- Que faire en cas de panne
DIAGNOSTIC LED TRANSPONDEUR
page ..........................................................................................................................7
- Lighting up of the LED without the ignition key
- Lighting up of the LED when turning on ignition with the Master key
- Lighting up of the LED when turning on ignition with a black key
F AULT FINDING T ABLE
page...........................................................................................................................8
CHECKING THE IMMOBILISER UNIT
page...........................................................................................................................9
BLOCK DIAGRAM
page.........................................................................................................................10
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INTRODUCTION
r This new anti-theft ignition with integrated code through recognition
of a transponder is of variable mapping type.
r This new unit has the same appearance for all vehicles.
r The advance curve depends on the type of vehicle in which the system
is installed:
- 50 cc - 100 cc - 2 stroke
- 125 cc - 4 stroke
r A label stuck to the unit is to inform us of this advance curve and
enables us to check that ACI 100 unit is suitable for that vehicle.
r This ignition system works without a specific ignition coil in the flywheel
magneto or the alternator . It is powered by a continuous or rectified current:
- Either by the battery
- Or by the battery charge output of the rectifier regulator
r The new ACI 100 ignition unit facilitates the starting up of the vehicles
for it only needs a minimum voltage to work, lower than that needed for
other ignition systems.
r It is one of the elements that enables us to respect the future antipollution standards.
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DESCRIPTION OF THE SYSTEM
r The transponder electronic immobiliser is an anti-theft system which prevents starting the vehicle if
an electronic code is not supplied to the immobiliser unit.
r This electronic code is given by a transponder located in the body of the ignition key and does not
require any specific operation by the user.
r The system consists of:
- A transponder (integrated into the ignition key)
- An antenna (located around the key contact switch)
- An ACI 100 ignition unit
- An LED (located in the instrument panel), as a deterrent function and for diagnosis.
OPERATING PRINCIPLE
❐ The ACI 100 unit generates an electromagnetic field transmitted to the transponder via an antenna
situated around key contact switch. It receives the transponder code from the key and after recognising this
code authorises the ignition of the engine.
❐ When the system is on stand by (ignition off) a flashing warning light (LED) on the instrument panel
serves as a deterrent function. However, to minimise battery discharging, this warning light goes out after
48 hours whilst the electronic immobiliser system remains active.
Disconnection of the battery , even over a long period of time, does not deactivate the system.
LIGHTING OF THE LED during NORMAL use
Black ignition
one FLASH per second key light for 0.5 seconds then extinguished
MEMORISATION OF THE SYSTEM
❐ The two ignition keys delivered with the vehicles are memorised at the factory onto the ACI 100 unit
(
a red key, the master key , is used for programming and a black key).
❐ The procedure for memorising the keys enables the immobiliser unit to learn and to memorise the
transponder code of the different keys.
❐ The number of keys that can be memorised is:
- Minimum 2 (including Master key)
- Maximum 3 (including Master key)
❐ The master key (red key) is the first key used in the memorisation process. It becomes a specific key
as it enables the memorised black keys to be programmed or erased. It is impossible to deprogramme
this master key .
❐ After memorisation and as a security measure, the master key must be kept by the owner in a
safe place, and must not remain in the vehicle.
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