So ive been using this post to repair thekeyless entry system on my 05 plate ep3 type r and i had the same problem as
Shoonk the alarm will program by turning the car on 4 times and press the fob to get into the programming mode but when i turn the car off get out and lock the car via the fob still the alarms not locking or dont anything at all.
So i replaced the keyless entry module but still the same thing!
So i got the service manual and was looking at the modules for the alarm, I saw theres a module to look for the key inserted into the ignition barrel, its easy to test unplug the module on the ignition column its got two wires in a 6 wire plug disconnect the plug and test the alarms function and bingo the alarms fully fuctional.
thanks for the info.
Below is a photo of the module that ive replaced
View attachment 11943