Worn Brake pad light but 1996 Q45'S doesnt have a brake sensor wire

[bigdog76]

I have a 1996 Infinity Q45 which does not have a brake sensor for this year 1996 i checked with Joe at Infinity Scottsdale. My speedometer and power steering went out intermidaley and i replaced the speedometer with a used i found at a wreck yard. The speedometer and power steering problem is solved but i have this Worn Brake Pads Light that will not go off. It probley came from the previous owners car and was stored in the memory when the car was sent to the junk yard.

My question is how do i clear a Worn Brake Pad light when my year Q45 does not have a brake sensor wire at all to cut and complete the circuit with. Please anyone help???

[goody90q45]

You didn't do what I did and remove both driver's side wheels looking for the sensors, did you? They are on the front and rear passenger side only. Do a search, this has come up many times. There was a lengthy discussion on sensors just a week or two ago.

[bigdog76]

From what Joe told me at Infinity Scottsdale there is no brake sensors on the 1996 Infinity Q45 at all.

Hello," The 1996 Q45 does not have a brake sensor at all. If the brake light is on there is more than likely another issue with your vehicle. I have attached a JPEG of the brake system none-the-less.-Joe Tesensky"The self-proclaimed King of Q45 parts."Infiniti of Scottsdale1.888.216.5328<<G50brakesystem.jpg>> I pulled off the passenger front and rear tires all i see is two lines coming into the brake one is the brake fluid line and the other is the ABS wire i was told.

Just to check i took off the driver side and it is the exact same two lines coming into the brakes.

So where do i go from here. Since i have a older model speedometer cluster from a previous Q45 how do i get this Worn Brake Pad off my screen

There should be a way to clear this problem just like they clear the check engine lights right???

[Q451990]

OK... I did some checking since we talked about this by email. The diagnostic display is looking for ground on the brake sensor circuit. When it doesn't "see" ground - it turns on the "Brake Pads Worn" message. What you need to do to get rid of the message is make sure the diagnostic display sees ground. You'll need to remove the cluster and somehow connect pin 17 in the diagram to a metal portion of the chassis. A screw going into metal somewhere should be fine.

If you're lucky, Nissan left the brown/yellow stripe wire in the plug that goes into that connector. If it's there it will make your job a lot easier.

Of course I'm working out of a service manual - not real world experience on this. So - if something goes up in smoke, don't blame me



_________

Second idea. You mentioned that you replaced your cluster because of intermittant p/s and speedometer issues. I've always heard that replacing the speed sensor cures this - not that it's an issue with the cluster. How long has this new cluster cured the problem?

It might also be easier to swap the diagnostic portion of the clusters with each other - assuming you still have your old cluster. That way your diagnostic display would be set up to work with your car that is missing the brake pad sensors.

Good luck!

Heath

[bigdog76]

Well everyone on the forum always points to the speed sensor as the problem with the power steering and speedometer failure however i spent $$$$ replacing the sensor and that did not cure the problem. A week after i replaced the speed sensor i replaced the speedometer cluster and puff wa la the problem has been solved now for 4 days no problems at all.

Now iam left with this dam worn brake pads light the old one seems to be a good ideal if that is possiable on taking the whole system screen out of iti see your diagram i will take a look and see what the old cluster looks like at #17 and go from there.

[bigdog76]

Q451990 you are a genius the #17 had no wire so i plugged a wire into that spot on the harness and then grounded it out on a blot that was on my dash and puff wa la the problem is solved great resolve. I dont have the factory book like you have but this should be well noted to completing the circuit and also another option to taking off the tires on the passenger side to short it out.

[bigdog76]

P.S. Q451990 I just forgot to tell you replacing the Dianostic portion did not work the worn brake light just should up on that aswell since the circuit is not complete. So to all you out there dont try it.Grounding out the circuit is the only way #17 on the Diagnostic Information display control unit ***PLUG***

Thanks Alot Q451990 without the advise i would have been investing more money in that book you have.

[Q451990]

I'm glad to hear it worked! I knew there was some reason I downloaded all of those service manuals during my one day subscription!

Heath

[chuy38]

what if any difference between a Q45t and a Q45 regular.

[Q451990]

In terms of the warnings in the info cluster? Nothing to my knowledge... Might be worth downloading the FSM at http://www.phatg20.net to be sure.

Heath