Newbie with some questions...

[sparkyman]

Hi all,

Acquired an 04 Roadster last week - couldn't resist it ! It's in need of some work & general TLC, so felt I could help get it back to it's former glory.

Electrics all function OK, with the exception of Central Locking.

If I use the Key Fob to lock the car, the doors locks cycle (lock/unlock)

However, if I sit in the car and use the dashboard lock button, the doors lock

I've joined Evilution and discovered the door locks have integrated sensors to give locked/unlocked signal (to SAM I guess ?), so I must assume both door locks are OK, as they lock when using the dash button ?

I'm now thinking maybe it's an issue with the 433Mhz system (Key receiver module ?)

I'm certain others here must have had exactly the same issue - any pointers as to the likely cause ?

Thanks

[tolsen]

Doors won't lock if one door is not latched. Perhaps there is some logic built into the internal lock button making most doors luck for security reasons. This is something I have not tested so could be wrong.

[10:45PM]

Just tried it with my rear hatch open on my 451 and the interior doesn't even respond although the remote will still attempt a lock/unlock cycle.

Suggest you check the fuel filler door lock is operating correctly and all other locks , although it may not prove conclusively the various switches within them are working fully when they're supposed to , but I'd still suspect a dodgy lock rather than the receiver module 1st.

[Evilution]

It's a single earth wire that fails internally, it's a new common issue on the Roadster. I had this on a Roadster I had back in 2010 and it took a solid 24 hours of continuity checking to work it out (along with a return power feed wire from the ECU to SAM that was causing a CAN bus issue). As you were kind enough to join my site, email me directly and I'll talk you through the fix.

[tolsen]

That is what I call good service.

[sparkyman]

Hi Tolsen & 10:45,

Many thanks for your input - I've now contacted Evilution to take him up on his offer of help - hopefully will have this locking issue fixed shortly.

Car seems to be running fine & has scrubbed up nicely... but 15" Spinline wheels are badly corroded

I have a few other issues that I hope you can help me with over the coming months - I will post a new topic now on the second problem I've noticed....

Regards

[sparkyman]

FIXED

BIG thanks to Evilution for the fix !

Doubt if I would have ever found the issue myself .....