1997 RENAULT KANGOO key

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GENERAL OPERATION
INTRODUCTION

The Renault Immobiliser system uses either Infra Red or Radio Frequency for Plip key
operation and transponder key technology for key entry and starting. The Infra Red and
RF systems uses a rolling code system to ensure the vehicle system cannot be
breached.

Activation of the Immobiliser system is indicated by the LED indicator in the Instrument
cluster. If there is a fault in the system, an emergency access code can be used to dis-
able the system using the central door locking button or key and the LED to enter the
code.

On petrol vehicles the immobiliser is carried out by the Fuel Injection system and on Die-
sel systems it is carried out by the coded solenoid valve.

The immobiliser system automatically sets itself after 10 minutes if both doors are closed,
this can be 30 minutes in other countries. If the ignition is switched OFF and one of the
front doors is opened, then the immobiliser sets itself after 1 minute, in other countries it
can be 10 minutes.

To disarm the system the doors must be locked and unlocked using the plip key func-
tions. Only 2 plips can be operated on this system.

The immobiliser key system operates independently of the Plip system. When the key is
turned to the Ignition OFF position the immobiliser activates after 10 seconds. This sys-
tem used 2 special matched keys with coded transponders.

The system comprises of Receiver aerial around the ignition lock, a decoder unit located
under the dashboard, which sends the decoding signal to the Fuel Injection computer or
coded solenoid valve, and the RED warning light.

Key programming and Plip programming can be performed using the AD100 and if the
relevant security code for the vehicle is available.

The security code is normally displayed in the front of the service book, if not can only be
obtained from a Renault dealer.

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GENERAL OPERATION
Decoder Unit (BII)
This system is similar to many other immobilizer systems as it uses a transponder within
the head of the key to send its code to the immobilizer when interrogated via the immobi-
lizer ignition key barrel antenna. The code from the key is transferred to the Decoder Unit
which has the following functions:
• Decoding the key transponder signal, via the antenna coil
• Management of the engine immobilizer system by sending the received code to ei-
ther the EMS-ECM (Petrol engine) or the Coded Solenoid Valve (Fuel Cut-off valve
for diesel engines) to authorize the vehicle to be started
• Control of the immobilizer LED
• Central door locking functions (if fitted)
• Courtesy light control (part of central locking if fitted)

Multi Timer Unit (BMT)

The Multi Timer Unit has the same immobilizer function as the Decoder Unit above using
an ignition key with a transponder and an ignition key barrel antenna. The Multi Timer
Unit has the following functions (amongst others):
• Decoding the key transponder signal, via the antenna coil
• Management of the engine immobilizer system by sending the received code to ei-
ther the EMS-ECM (Petrol engine) or the Coded Solenoid Valve (Fuel Cut-off valve
for diesel engines) to authorize the vehicle to be started
• Control of the immobilizer LED
• Central door locking functions (if fitted)
• Courtesy light control (part of central locking if fitted)
Type 'I' Key Recognition Optional IR Rolling Code - Petrol/Diesel
This system can be used with or without an Infrared Remote Control, which would require
a separate control unit.
Type 'J' Coded Card instead of Key
This system is an immobilizer only, a separate system must be used to operate the cen-
tral locking, however, a Coded Card may contain a remote control transmitter for gaining
entry to the vehicle.

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GENERAL OPERATION
Coded Card
The coded card system was introduced for the latest Laguna models and eliminates the
use of 'ignition keys' and, optionally, 'door locking keys'. Instead of a key the driver has a
coded card that, optionally, unlocks the door and after insertion into a card reader, sets
self-retaining relays to supply the various systems/circuit in the vehicle (equivalent to the
ignition switch), deactivates the immobiliser to allow the vehicle to be started and unlocks
the electric steering lock. The code is a random rolling code to reduce the chances of
simulation.
The engine is started via an engine start/stop push switch, which when pushed will ener-
gize the starter. If pressed again the switch will stop the engine and removing the card
will break the retaining circuit to the main relay and the vehicle will shut down all systems
and circuits except any required to remain on, e.g. lighting circuits, hazard lights etc. The
following are the immobilizer functions:
• Decodes the signal from the card via the card reader
• Sends a signal to the electric steering column lock
• Communicates with the EMS-ECM
• Controls the immobilizer LED and the card reader light
• Communicates with the immobilizer
This system uses a multiplexing system to send data to peripheral devices, namely the
electric steering lock, diagnostic socket, EMS-ECM and the LED in the instrument pack.
All Systems

Each system has a visual indication of the immobilizer status but whether or not it has a
separate red LED to that of the EMS-ECM is dependent upon the system. If it shares and
LED with the EMS-ECM this will flash regularly when the immobilizer is active and is also
used to indicate acceptance of the security code numbers manually entered using the
door locking button. In general the following functions are indicated by the LED:
• Activation of the immobilizer
• Non recognition of the Coded Card or Coded Keys
• System fault
• Fault with the EMS-ECM immobilizer function
• Fault with the Electric Steering Lock (Coded Card only)
• Signal of entry into door locking remote control resynchronization mode (Decoder/
Multi Timer systems only)
• If a fault with the EMS-ECM immobilizer circuit occurs whilst the vehicle is in motion
the immobilizer LED will flash during deceleration and when at idle speed.

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GENERAL OPERATION
All systems have the same end function, immobilizing the vehicle until the correct code is
presented to the immobiliser unit.
Type 'A' Infrared Remote Control Fixed Code - Petrol
This system uses a combined immobiliser and central door locking control unit with a re-
mote infrared transmitter contained in the plastic keyhead. The transmitted code is fixed
and when received by the control unit receiver it will generate a door open signal and si-
multaneously pass the code to the EMS-ECM. The EMS-ECM compares the received
code against a stored code and if verified it will allow the engine to be started. This type is
for petrol only vehicles and will allow up to seven keys to be used.
Type 'B' Infrared Remote Control Fixed Code - Diesel
This system uses a combined immobiliser and central door locking control unit with a re-
mote infrared transmitter contained in the plastic keyhead. The transmitted code is fixed
and when received by the control unit receiver it will generate a door open signal and si-
multaneously pass the code to the Coded Solenoid Valve. The Coded Solenoid Valve
compares the received code against a stored code and if verified it will allow the fuel to
the engine. This type is for diesel only vehicles and will allow up to four keys to be used.
Type 'C' Infrared Remote Control Rolling Code - Petrol
This system uses a combined immobiliser and central door locking control unit with a re-
mote infrared transmitter contained in the plastic keyhead. The transmitted code is rolling
to reduce the chances of the code being captured and used to enter the vehicle. The
code when received by the control unit receiver it will generate a door open signal and
simultaneously pass the code to the EMS-ECM. The EMS-ECM compares the received
code against a stored code and if verified it will allow the fuel to the engine. This type is
for petrol only vehicles and will allow up to seven keys to be used.
Type 'D' Key Recognition - No Infrared Remote - Petrol
This system uses key recognition only with no remote control of entry. A transponder in
the keyhead reacts to a transmitted signal from a coil wrapped around the ignition key
barrel. If the transponder code is the same as the stored code the EMS-ECM receives a
signal to allow the engine to run. This type is for petrol only vehicles and will allow up to
seven keys to be used.

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GENERAL OPERATION
Type 'E' Infrared Remote Control Rolling Code - Diesel
This system uses a combined immobiliser and central door locking control unit with a re-
mote infrared transmitter contained in the plastic keyhead. The transmitted code is rolling
to reduce the chances of the code being captured and used to enter the vehicle. The
code when received by the control unit receiver it will generate a door open signal and
simultaneously pass the code to the Coded Solenoid Valve. The Coded Solenoid Valve
compares the received code against a stored code and if verified it will allow the fuel to
the engine. This type is for diesel only vehicles and will allow up to four seven keys to be
used dependent upon the type of shielding on the Coded Solenoid Valve.
Type 'F' Key Recognition - No Infrared Remote - Diesel
This system uses key recognition only with no remote control of entry. A transponder in
the keyhead reacts to a transmitted signal from a coil wrapped around the ignition key
barrel. If the transponder code is the same as the stored code the Coded Solenoid VAlve
receives a signal to allow the engine to run. This type is for diesel only vehicles and will
allow up to four or seven keys to be used depending upon the type of shielding on the
Coded Solenoid Valve.
Type 'G' Key Recognition + IR Rolling Code - 2 ECMs - Petrol/Diesel
This system has both Infrared Remote Control and Key Recognition but have a separate
control for each function. There is no interaction between the two controllers except thst
they share common 'K' & 'L' diagnostic lines to the DLC and the Electric Door Button has
an input to both to allow the code to be entered manually. This systems appears in both
petrol and diesel vehicles and up to seven keys can be used.
Type 'H' Key Recognition + IR Rolling Code - 2 ECMs - Petrol/Diesel
Types 'H' and 'G' are exactly similar in their functionality but Type 'H' has a single inte-
grated control unit.

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SPECIAL FUNCTIONS
KEY PROGRAMMING—ALL SYSTEMS

ECU IDENTIFICATION
FAULT CODES
SPECIAL FUNCTIONS


DIAGNOSTIC MENU
PRESS ENTER KEY



From the main DIAGNOSTIC MENU se-
lect SPECIAL FUNCTIONS.










Select PROGRAM KEYS.










To enter the security code use the follow-
ing procedure :-

Press Û
Üto elect Number & Letter

Press Ù To Erase the previous selection

Press 8 To ENTER selection.

Press 8 To Finish PIN selection.

NOTE : RENAULT MEGANE USES 8
DIGIT SECURITY CODE, OTHER VEHI-
CLES USE 12 DIGIT.
> PROGRAM KEYS




DIAGNOSTIC MENU
PRESS ENTER KEY

SWITCH IGNITION OFF

SECURITY CODE

_ _ _ _ _ _ _ _ _ _ _ _


SWITCH IGNITION ON

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SPECIAL FUNCTIONS
KEY PROGRAMMING






If only one key is required press the BACK
key.









Further keys can be added by pressing the EN-
TER key.






Follow on screen instructions and repeat for up
to 4 keys.



BACK TO EXIT

ENTER TO PROGRAMME
NEXT KEY

INSERT NEXT KEY

THEN PRESS ENTER


PROCEDURE COMPLETE