Diagnosis help needed: connection between horn, steering controls for radio and nav?
#1
Racer
Thread Starter
Diagnosis help needed: connection between horn, steering controls for radio and nav?
My steering wheel controls for radio and nav (but not phone) stopped working. At the same time, the horn stopped working.
The weirdest thing is that every now and then, the horn will work again, and when it does, the steering wheel controls for radio and nav will also work. But mostly it doesn't work.
So there must be something in common between the horn, and steering wheel controls for radio/nav (but not phone)?
Any guesses?
The weirdest thing is that every now and then, the horn will work again, and when it does, the steering wheel controls for radio and nav will also work. But mostly it doesn't work.
So there must be something in common between the horn, and steering wheel controls for radio/nav (but not phone)?
Any guesses?
#5
My steering wheel controls for radio and nav (but not phone) stopped working. At the same time, the horn stopped working.
The weirdest thing is that every now and then, the horn will work again, and when it does, the steering wheel controls for radio and nav will also work. But mostly it doesn't work.
So there must be something in common between the horn, and steering wheel controls for radio/nav (but not phone)?
Any guesses?
The weirdest thing is that every now and then, the horn will work again, and when it does, the steering wheel controls for radio and nav will also work. But mostly it doesn't work.
So there must be something in common between the horn, and steering wheel controls for radio/nav (but not phone)?
Any guesses?
Oh...I'm gonna get blamed for this one, I know it.
It sure does sound like something as simple as a loose connector under/inside the steering column.
#6
Moderator
Sounds like a loose ground wire in the wiring harness in the steering column....
ANY MESSING AROUND in the COLUMN requires disconnecting the negative battery terminal or risk deploying the air bag and serious injury. There are specific ways to handle the horn/SRS assembly use extreme caution OR DON'T TOUCH IT.
ANY MESSING AROUND in the COLUMN requires disconnecting the negative battery terminal or risk deploying the air bag and serious injury. There are specific ways to handle the horn/SRS assembly use extreme caution OR DON'T TOUCH IT.
#7
Driver School Candidate
Join Date: Feb 2012
Location: CA
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VAIS ipod
this is happening to me after I messed with my VAIS ipod! Do you have any info on that?
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#8
OK i knew I wasn't the only one my Ac was working fine and my horns were working fine. A month after installing my Vias now i notice my horns or volume control on steering wheels won't work and now my AC light is blinking when the ac is on. Anybody got any solutions.
#10
#11
Did your AC blinking light came on at the same time? For some reason my horn problem and ac blinking light came on around the same time. I was thinking it was the relay fuse because the AC Compress fuse is right next to the Horn fuse. But i checked the fuse with multimeter and 12v battery and they seem to be good.
#12
Did your AC blinking light came on at the same time? For some reason my horn problem and ac blinking light came on around the same time. I was thinking it was the relay fuse because the AC Compress fuse is right next to the Horn fuse. But i checked the fuse with multimeter and 12v battery and they seem to be good.
https://www.clublexus.com/forums/sc-...am-2002-a.html
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postman56 (12-18-17)
#13
Driver School Candidate
Join Date: Mar 2014
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Any information regarding replacing the spiral cable on a lx 470 would be greatly appreciated, my horn quit working and I've checked the fuse, tested the horn by jumping and I can not find the horn relay. 2003 LX 470.
#14
Your posting in the wrong forum. There is some info in this thread but its for sc430
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LexGS
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