11-14-2003, 09:04 AM
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#1
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Age: 48
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Radio Stopped working.
I have an 03' 4Runner. While driving to work today, my radio just stopped working. I didn't touch it or anything. It just suddently stopped working. There's power and I can change stations, but there's no sound coming out. I put in a CD and I can see the tracks playing, but there's not sound. When I move the volume control, I don't see the volume settings changing at all. Anyone know what the problem can be?
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11-14-2003, 11:09 AM
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#2
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![Wolver][ne's Avatar](https://www.toyota-4runner.org/customavatars/avatar595_1.gif) |
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sounds like the internal amp in the head unit blew or a fuse for the system may be flakey
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11-26-2003, 10:16 AM
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#3
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Run The Diagnostics
Diagnostic Mode is:
1) Turn Ignition to ACC
2) Press Preset 1 and 6 while hitting DISC 3 Times
3) Use the SEEK TRACK Buttons to step through
4) When done hit DISC 2 Times and trun off ignition
See what it tells you. If you do not get "numbers" and the word "good" on the diagnostics it maybe the head unit.
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11-26-2003, 11:53 AM
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#4
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Super Moderator
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Re: Run The Diagnostics
Quote:
Originally posted by jmans
Diagnostic Mode is:
1) Turn Ignition to ACC
2) Press Preset 1 and 6 while hitting DISC 3 Times
3) Use the SEEK TRACK Buttons to step through
4) When done hit DISC 2 Times and trun off ignition
See what it tells you. If you do not get "numbers" and the word "good" on the diagnostics it maybe the head unit.
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OK, gotta ask -- how on earth did you know this??? 
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12-15-2003, 11:33 AM
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#5
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Join Date: Sep 2003
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My radio/CD stopped working too this morning. It was playing normally, then nothing. I have a 04 LTD w/ Nav. I'm not sure if I can do the diagnostic procedures. Prob going to take it in to dealership.
T4RLTD03, did you find the cause of your radio failure?
Thanks!
theman1971
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12-15-2003, 05:20 PM
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#6
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jmans what other tricks do you know. I agree with jharris, how do you know this?
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12-17-2003, 05:29 PM
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#7
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Quote:
Originally posted by theman1971
My radio/CD stopped working too this morning. It was playing normally, then nothing. I have a 04 LTD w/ Nav. I'm not sure if I can do the diagnostic procedures. Prob going to take it in to dealership.
T4RLTD03, did you find the cause of your radio failure?
Thanks!
theman1971
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Update: Radio suddenly started working again later in the day while on the way to the dealership. Dealership couldn't find anything wrong with radio....
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12-17-2003, 07:31 PM
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#8
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Quote:
Originally posted by theman1971
Update: Radio suddenly started working again later in the day while on the way to the dealership. Dealership couldn't find anything wrong with radio....
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Of course -- these things are programmed to make you look foolish to the dealer!! 
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12-23-2003, 02:46 PM
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#9
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I have a 2003 Sport w/JBL 10 speakers and 2 weeks ago my sysem dd the same thing! I turned ignition off/on and it has been fine since.
Yesterday, while approaching a major bridge (lots of traffic) I geared down to 3rd -- every day i do this -- yesterday, once on the bridge and accellerating, it would not go into 4th or 5th even though the box was in 'D'. I stopped, turned off ignition and restarted and it's been fine since.
I think there is a serious bug in this computer! Dealer hasn't heard of either incident in the past. A needle in the hay stack.
Chris
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12-24-2003, 03:53 PM
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#10
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Yesterday I found that I was unable to adjust the volume level from either the radio controls or the steering wheel buttons. Once I got to my destination I turned the ignition off and back on.. Works fine now...
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01-07-2004, 03:39 PM
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#11
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So far, this has occured 3 times. End of Nov/03, Dec 31/03, Jan 5/04.
It seems related to trying to reset the way the doors automatically lock when the gear is changed. By default, when I take it out of Park (P), the doors lock. The manual says to press the power lock for 5 seconds to change to having the doors unlock when putting into Park. It seems that the radio freezing occurs when I try and change the way the doors lock.
Can anyone who had this radio freezing problem advise if they tried messed with the door locks?
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01-07-2004, 07:24 PM
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#12
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This afternoon, I tried out my theory about holding down the power lock button for 5 seconds (press on driver lock button, pressing towards rear of vehicle) and the radio did lock up again! I was in a bit of a hurry, but I don't think I had the ignition turned to ACC.
I've written to my dealer to see what they can do about this.
It will be interesting if others, who also had locked radio controls, would try this theory and report back.
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01-14-2004, 11:29 PM
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#13
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This happened to the radio in my 03 as well. No sound in tape, cd, or radio mode...but the dials worked. It hasn't happened since.
Anyone else notice backgound noise (similiar to the break up noise produced when a radio channel signal is to weak and the radio receiver isn't "locking" or tuning in) in their AM/FM radio?
I have the JBL single CD...I believe there is a TSB on radio noise...just want to check if anyone else has noticed this.
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01-15-2004, 04:16 PM
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#14
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me2
i had the same problem...i just turned the ignition on and off and it was fine....mine stayed stuck on volume #22, and wouldnt go any higher but i stil couldnt hear anything....this has happened to me twice now, but i didnt think it was worthy to post...i see now it is a common problem!
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01-16-2004, 08:46 PM
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#15
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My dealer figures the radio needs replacement and has ordered a new one. I explained that, in my opinion, this was not going to help as there shouldn't be any link between the power locks and the radio. Yet when trying to reconfigure the power locks (PER THE OWNERS MANUAL), the radio acts up.
I'll post back when I know more... today the moon roof started acting up. It now longer allows a one-touch press of the button to open/close it.
This is beginning to sound like either a major f'd up computer system OR one heck of a lemon!
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