Originally posted by xf_xr6
how and where does the smartlock recieve the codes? As i said before, you don't even need the remote in my brothers car, in fact it could be in a different country, and it will still start with the key. Does the key contain the codes?
Originally posted by Xyphoid
The Smartlock Immobiliser Thingie is like having 2 distict and seperate modules.
1) You have the Remote Control, with Central locking and Boot Release.
2) Then you have the Immobiliser section.
Both of these work independantly, IE you Could unlock or Lock the Car Using the keypad, but that doesnt change the Immobiliser state. The Keypads Purely only Lock/Unlock the Doors, and Open the Boot.
Anyway, here is an Extract from the above doco that I posted a link to previously
ELECTRONIC IMMOBILISATION SYSTEM - SMARTLOCK (All Series)
The electronic immobilisation system is designed to protect the theft of the vehicle.
The BEM controls the smartlock functions, and the electronic lock assembly that contains an electronic device with stored security codes.
When the ignition switch is turned on, the BEM asks for 3 security codes from the electronic lock assembly.
If at least 2 of these 3 codes are correct, then BEM will enable the starter motor to operate.
The BEM also communicates with the EEC-V engine management system, which only allows the injectors to operate if the BEM recieves the correct security codes from the electronic lock assembly.
This prevents the motor from being started, if the starter motor is "Hot wired".
KEYLESS ENTRY SYSTEM (All Series)
The keyless entry system allows remote unlocking of the doors.
A small radio transmitter with a unique code is used to communicate with the BEM.
The SMARTLOCK module can be programmed to recognise up to 4 keypads.
ELECTRONIC IGNITION LOCK ASSEMBLY
The electronic ignition lock assembly contains a lock barrel, a shear shaft, an ignition switch with a vane, and an electronic circuit board.
The circuit board contains two infra red transmitters and receivers, and an E2PROM that holds the security codes.
When the key is turned, the vane on the ignition switch rotates and reflects one or both of the IR Transmitters.
This enables the electronic lock assembly to verify that the ignition switch is correctly fitted, and the position in which the key is in. When the key is turned to the On position, the electronic lock assembly transmits three codes from special memory locations to the BEM.
SMARTLOCK REMOTE KEYPADS/KEYFOBS
The keypad is a small radio transmitter that transmits to the BEM a unique code (for security) and a code to either lock/unlock the doors (and Tailgate for wagon), and to operate the Boot release.
Up to four keypads can be programmed on a single BEM.
The transmitter operates at 303.8Mhz, and uses a 12V dry Cell Battery that lasts approximately 1 year.
The transmitter has a range of about 10 Meters.
When the Transmitter is used, the BEM operates the Hazard Warning Lamps to indicate a successful operation. The BEM also turns on the interior lamps when the doors are unlocked.