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#4811128 - 07/11/18 09:57 AM 2006 Mazda 3 Cruise control not engaging
thoard Offline

Registered: 07/10/18
Posts: 2
Loc: USA
My Cruise control will not engage after I drive for about 5 minutes. It works when I first start out. I make a few stops and then try to engage the cruise and it won't work. I suspect it has something to do with something heating up, like a switch. Any thoughts?

#4811134 - 07/11/18 10:01 AM Re: 2006 Mazda 3 Cruise control not engaging [Re: thoard]
Artem Offline

Registered: 10/30/10
Posts: 5140
Loc: Florida
I mean, sounds like you diagnosed the issue yourself. Lol.

My 2001 Celica GTS cruise works only during the day. Once the lights are on, cruise control won't engage. Go figure.
2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart. (thanks Advance Auto Parts for the awesome deal)

#4811135 - 07/11/18 10:01 AM Re: 2006 Mazda 3 Cruise control not engaging [Re: thoard]
Eddie Offline

Registered: 12/07/03
Posts: 9658
Loc: Florida, Cape Coral
The cruse control disengages after you hit the brakes. It is possible that the switch or ? is not releasing after you put the brakes on. Ed
CX5 Touring 2.5L :-)

#4811193 - 07/11/18 11:02 AM Re: 2006 Mazda 3 Cruise control not engaging [Re: thoard]
zrxkawboy Offline

Registered: 11/30/04
Posts: 1770
Loc: SD
Agree with Eddie: it's probably your brake light switch.
"Think of all the Ford owners who will someday want an automobile." John Dodge

#4811226 - 07/11/18 11:44 AM Re: 2006 Mazda 3 Cruise control not engaging [Re: thoard]
CARJ Offline

Registered: 01/31/10
Posts: 102
Loc: Olathe, KS
Vehicle speed sensor could also be the reason it doesn't engage.
2004 Toyota 4Runner | 175k | Redline 5w-30
2012 VW Passat | 82k | Castrol Professional 5w-40

#4811853 - 07/11/18 10:26 PM Re: 2006 Mazda 3 Cruise control not engaging [Re: thoard]
thoard Offline

Registered: 07/10/18
Posts: 2
Loc: USA
Thank you for your responses...

I changed the Brake Light Switch, does the same as before. Took the negative battery cable off for over 30 minutes, no change. Hooked up a code reader, no faults listed. I think it has something to do with heating up a switch, maybe the cruise control main box, or something like that.

The Cruise Control on/off light always comes on when I push the button. After the car sits for about an hour, the cruise control works normal. When you push the set button the cruise engage light will come on just like it should. It will engage and disengage several times over the next 5 to 10 minutes, then that's it, it will not work again until the car sits again for awhile. That is why I think it is heat related. Remarks are welcome...