Originally Posted by rotarenvy

the immobiliser module is supposed to be separate from the PCM. my central locking works (coded keys) even though the PCM is dead. however the immobiliser needs to communicate on the can bus with the PCM and the keys wont do anything but open the doors. the modules can be reprogrammed to work with each other but there are some restrictions on what will work with what and I have no idea on how to tell apart from supplying the VIN to a MAZDA parts dealer. they probably can't tell you if there is a corresponding US version of the PCM either.

here is a list of the PCM modules sold in the US. my .au PCM code (N3ZK) is listed on it.

Originally Posted by Rotaman

ASH do you know if the PCM ID is stamped on the outside of the PCM itself?

Originally Posted by rotarenvy

it doesn't look like I'll be a guinea pig for the US to other market swap after all.

I got my PCM working by having a play with the Mazda service tool.

Originally Posted by ASH8

Australian and UK PCM's for Series 1's..

*N3L9-18-881A Aust, Brunei, 6 Speed Man
*N3Z5-18-881A to K Aust Auto
*N3Z6-18-881A to L Aust 6 speed Man

*N3Z3-18-881A to K UK 5 speed Man
*N3Z4-18-881A to K UK 6 speed Man

* Vehicle VIN Number Determines Correct PCM for your car.