cruise control TS on a 94 Q

[mludy]

This has probably been addressed, but my lack of time to search for answers forces me to call out(a link to previous thread should be sufficient)

For some reason my cruise control doesnt cruise my car.......all the lights turn on, but when I let off the gas the car slows down, any thoughts?

[MinisterofDOOM]

Since there are so many things potentially involved, simplest diagnostic route is to go to a dealer and have them plug in a consult.

But there are a few things you can check before that:

Check fuses.

Try swapping the CC relay for A/C relay. I doubt the relay is to blame if both lights ("on" on the button and "engaged" on the dash) are illuminating, but it's worth a try. If A/C still works and blows cold after switching the relays, you know the relay is not to blame.

If you are indeed getting the "engaged" light, I'd suspect the actuator. If you're not getting the "engaged" light, you might have a faulty brake switch (causing the car to think you're hitting the brake, forcing cruise to disengage).

On third gen ('89-94) Maximas, there was a common issue with the cruise control circuitry which could be repaired by mending damaged solder points ('90s Nissan and their crappy solder again). I wonder if the Q is subject to the same weakness?

Wes mentioned that he once "fixed" his cruise control by unplugging the battery for a bit.

Is the cruise control throttle linkage intact?

And of course, you can check out the diagnostic procedures in the EL section of the FSM (starting on page 219)

[mludy]

usually when i try it both lights come on, but a couple times the light in dash will blink, dont kow if that helps at all

[MinisterofDOOM]

The blinking does help. It narrows the potential causes. Blinking dash light means one of the following is bad: Brake switch, steering switch, control unit, or the cable actuator or its pump. Pages 245-238 of the FSM section I linked above have diagnostic procedures for checking all of those components...and you don't need a consult, just a multimeter, so you can do it in your driveway. Page 224 has a cross-reference list for symptoms and helpful procedures and the pages on which to find them, too.

[mludy]

what exactly is a multi meter?

[MinisterofDOOM]

Digital multimeter (DMM). Just a digital combination electronic meter used for things like measuring voltages. With the FSM and a multimeter, you can easily do a lot of diagnostics yourself by simply measuring output voltages of sensors at harness connections.You can find cheap ones (which aren't as accurate but get the job done) at Harbor Freight for a few dollars. Or you can get a much better one in the $20-$40. I have a few of them, and they're tremendously useful.

[BadQ45t]

It is Greek for "you need to take your car to a mechanic" seriously, someone with a consult thing they plug into your car computer and the mechanic will probably know is a few minutes what needs to be fixed.

[Infinitiguy19]

I am really suprised no one has mentioned this: RTFSM

http://Nicoclub.com/FSM.

Or take it to the dealer to have it checked out.