I think all the intelligence is in the key cos it left the factory when they said "design a car that doesn't leak" :P
I think all the intelligence is in the key cos it left the factory when they said "design a car that doesn't leak" :P
The keys supplied from LR are just that, keys. The key fob, plip, has the necessary electronics installed to allow the mobilisation of the Puma. So if the AS10 is working fully and nothing has been disabled then you will need to have a key Fob in close proximity to the ignition barrel to allow the transmission of the mobilization code to allow the Puma to run. If this fob is not present then the AS10 will not send the mobilization signal to the EMS and the engine will shut down.
http://i1118.photobucket.com/albums/...mmobiliser.jpg
The passive immobiliser works by switching on the immobiliser after a set time once the key/fob is removed. It detects this by using the transceiver coil on the ignition barrel to detect the key/fob. If there is a problem with the passive immobiliser through a fault with the transceiver coil or fob then it will act as if the key is removed by initiating the immobiliser which will stop the engine by inhibiting the starter and fuel injector circuits. The pulsed feed from the 10AS module causes the magnetic field created by the transceiver coil to collapse and restore. The fluctuating magnetic field activates the fob (remote RF handset) to transmit a mobilization code to the 10AS module. The 10AS module receives the fob mobilization code via its antenna. This fob code is compared to a value in the 10AS memory. If the codes match, the 10AS module provides a mobilization signal to the instrument cluster. The instrument cluster acts as a gateway, converting the signal transmitted from the 10AS module into a signal that is recognizable by the ECM (AS10 Serial to Multiplex between the IC and EMS).
Another reason for spare Fobs not working as they should is that they have lost synch with the AS10 unit. The standard value within the AS10 for resynch is set to the value Two. Basically lock and unlock the Puma 2 times with the fob buttons. This will allow a basic resynch of the fob and AS10 unit. If this doesn't work try the it 4 times as this is a full resynch. What has been described by other members in combating a non start issue is basically a resynch by locking and unlocking the car a couple of times to get it to run. If that doesn't help and you have a diagnostic tool like the nanocom or MSV then just do a plip relearn of ALL fobs as this will resynch everything. There are other parameters which can affect the fob working like bad plip keycode allowance and the fobs battery being low.
http://i1118.photobucket.com/albums/...lipresynch.jpg
HTH Brian.
Quote:
Originally Posted by spudboy
No, it will not work as the TD5 and Puma use different protocols and the OBD plug is wired differently for the TD5 and Puma.
I may have mentioned earlier that LR were going to provide me with a new plip. When I took the vehicle in to get it all sync'd up, there was some problem, and it would not work with my old plip when they added in the new one. Then, neither plip would work.
After half an hour they gave up (set it back to just the old plip so I could go on holidays), and I have to take it in again in a couple of days. They want it for a few hours to work out why they can't re-code it as they expected. At least they are providing a loan car this time so I can still get around.