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-   -   Cruise Control not working (https://www.rx7club.com/3rd-generation-specific-1993-2002-16/cruise-control-not-working-802011/)

FD3S2005 11-22-08 01:31 AM

Cruise Control not working
 
Well it works sometimes, most of the time i have to play with it.. the light from the button is on and when i press the cruise button the light under the tac turns on like its working but yet it wont go... i mess around with the buttons and shift down and up and sometimes it works. any ideas?

Sgtblue 11-22-08 05:10 AM

Check the switches on your brake and clutch pedals.

MOBEONER 11-22-08 07:57 AM

i took mine right out.do you really need it?

Sgtblue 11-22-08 10:04 AM


Originally Posted by mobeoner (Post 8741709)
i took mine right out.do you really need it?

I added it to my R1. Did I need it? No....but I wanted it.
Did you really need to take yours out? ;)

rx7playa 11-22-08 10:09 AM

Mine never works, I have been wondering about this for awhile myself. The green light comes on and that is it. Anyone with some further insight?

MOBEONER 11-22-08 10:35 AM

well i didn't realy thought that i will ever use it since i don't plan on ever driveing long distances with my FD so i took it off.plus it gives a lil more room.

dinosaur 11-22-08 11:34 AM


Originally Posted by FD3S2005 (Post 8741507)
Well it works sometimes, most of the time i have to play with it.. the light from the button is on and when i press the cruise button the light under the tac turns on like its working but yet it wont go... i mess around with the buttons and shift down and up and sometimes it works. any ideas?

Same here, and I'll add a symptom. When mine is working, and i press on the gas to add speed (as in passing), when I lift off the gas it is as if the cruise has been turned off, and it does not go back to the set speed. Fool around with it for a mile or two and it will "catch" and hold speed. If I press the "set/decel" switch on the steering wheel to lower the set speed, it will stop working too. :scratch:

Sgtblue 11-22-08 02:29 PM

I've never had issues with mine, but first suspect would be the clutch safety switch and/or the brake pedal switch.
Dinosaur, check the cable tension from your actuator to the TB. My only other thought on yours is maybe an issue with the cruise module. Rare I would think, but it's located behind the kick-panel on the driver's side....easy enough to get to. Maybe Mobeoner or someone else who removed theirs would want to send you one cheap to try? IIRC the module is white, about 1.5 inches square with ~20 pin connector.

dinosaur 11-22-08 07:35 PM

Thanks. I may know where I can borrow one, I'll try and get it and post back.
I thought , maybe the switch on the steering wheel was fubar.

mrgne 09-09-10 02:26 AM

Sorry to bring it back from the dead, just thought I would post my findings.

My cruise control issues were the same: cruise light would come on but the car wouldn't hold its speed. So I ran the self diagnostics detailed in the service highlights; everything came back okay. Next I popped the hood and looked at the cruise actuator. Remove the plastic cover. Look at the cruise actuator cable and realize its not connected; stupid. Put it all together and then tested it. Functioning cruise control Yay!

Next day, Cruisy-no-worky. So I go through it all over again self diagnostics, check the actuator, beat the steering wheel in desperation, etc. Time for a new tack, I remove the cruise actuator drill out the plastic 'rivets', hook up a 12v power supply to watch the thing in action.

First I suspected the clutch was worn down, it wasn't; then I thought maybe it was those two switch like things, ah fuck it I don't wanna get my multi-meter. Lets see what happens when I run 12 volts through it. 'Click', the solenoid works. 12 volts to the motor; nothing. Reverse the polarity and it works, reverse the polarity again and it works again, in reverse. Whatever. Messed with it some more and everything seemed hunky dory. Reassembled the actuator with that universal adhesive silicone. Installed the actuator again; again the cruise works.

Once the Hamster put the cigarette out and got back into the wheel it occurred to me that maybe what was causing the problem was that the cruise actuator gears were getting jammed-up on themselves ( 4 reduction gears made 17years ago out of plastic ) and the way to unjam them was to reverse the direction of the motor, which conveniently enough is what the cruise control module does whenever the indicated speed is above the set cruise speed.

The next time it happened I checked this out and indeed it does work. I accelerate beyond the set cruise speed for about 10 seconds and then coast it back down and everything is just peachy, until the next time I want cruise. Its not a fix but a workaround.

So that is where I am at currently, I suppose my next step will be to lube the gears and see if that helps prevent the problem in the first place, maybe this weekend, then again...


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