PDA

View Full Version : Cruise cotrol limited to 70mph???

michael parker
16-04-05, 16:16
Hi, just joined the club, this is my cherry popping post!
I bought my 93 tt j-spec about 4 weeks ago through a jap importer in hemel hempstead, they do all the uk conversions etc... I spend a fair bit of time on the motorway and my cruise seems to only work up to 70 mph?? i know you shouldn't be driving over this speed but hey im only human, just wondered if they're limited as standard in japan, and if you can get it removed.
Cheers :innocent:
Bobbeh
16-04-05, 16:22
You should be able to cruise way over 70. I do ;)
michael parker
16-04-05, 16:26
It wont let me set the speed to engage the cruise at 70+mph, i.e. press cruise on and set at 90mph, nothing happens! well annoying:-)
Bobbeh
16-04-05, 16:38
Sounds like its not set up correctly, maybe something they didnt bother looking at or missed during the SVA.

You get to speed, turn it on, tap the controller down, and its set.
Fifty
16-04-05, 16:55
:D
Hi Michael, welcome

do a search for cruise m8 theres a lot of interesting stuff, including diagrams for wiring up if it was missed during conversaion; seems to be common.

50
michael parker
16-04-05, 16:56
It works fine below 70mph, so bit confused?????
Jake
16-04-05, 16:57
You need to fit a decent quality speed converter, like the Thor one or do this mod :
http://www.mkivsupra.net/vbb/attachment.php?attachmentid=1995
michael parker
16-04-05, 17:15
I,ve gotta converter fitted cause it reads in mph and odo goes up in miles, if it's a cheapy one, (which knowing what dealers are like to make a few extra quid) would that limit the cruise to 70 mph, i first thought it was maybe rectricted on the ecu????
Jake
16-04-05, 17:19
I bet your converter isn't wired to the cruise control though. Just do the mod in the pic I posted above and all will be well.
michael parker
16-04-05, 20:58
I'll give it a whirl, or try!!!! Cheers. :thanks:
Vaughany
16-04-05, 23:23
Had the exact same problem on mine, cheap conversion I'm afraid. Pete Betts (Thor) fitted his speedo conversion and everything works fine now (Active Spoiler, Cruise)

Give Thor a bell, believe me cruise control at 70+ is so much better.
SimonB
16-04-05, 23:28
I,ve gotta converter fitted cause it reads in mph and odo goes up in miles, if it's a cheapy one, (which knowing what dealers are like to make a few extra quid) would that limit the cruise to 70 mph, i first thought it was maybe rectricted on the ecu????

It probably means your power steering is wrong too - it will think you're going slower than you are and give too much assistance. Get a Thor speed convertor and it will sort it.
michael parker
17-04-05, 00:00
will look into the thor, cheers peeps!! :respekt:
Soop Dogg
17-04-05, 09:03
As everyone says, it's the converted speed signal that is mssing at the cruise control ECU.

The limit on this is 110kph, so when it gets the converted signal, your new cruise limit should be around 110mph.
Tom`s Supra
17-04-05, 16:43
where is the cruise control ECU??
michael parker
17-04-05, 16:47
Not too sure, tinkered about with previous cars, though dont fancy messing with this baby.
hopefully gonna get this job done at slow dogs, along with cambelt and service, cheers for all the help evry1!!

Im sure some1 will point you in the right direction as to the location of the "cc" ecu. :innocent: