Gen 3 Prius (Audio/Electronics) :: Yellow Triangle Shows Up When Start The Car
Mar 24, 2012
I tried installing a backup camera today. big mistake. When I start the car the yellow triangle shows up. and warning says check hybrid system. I try and put the car in reverse and I hear a snap, it slips to neutral and a warning appears that says put into P position. The only wire I tapped into was the red reverse light camera. I even tried undoing the install and I get the same messages.
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Just got my 06 Prius. The screen shows that Audio Off. The radio doesn't want to turn on. What could be the issue. 06 Prius with nav, Bluetooth, JBL etc. Everything else seem to work except the radio. Fuse perhaps?
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On 2 occasions in the last week or so my GPS screen says "loading" on power up. It says not to turn power off as a status bar moves across screen. Never happened in the year Ive owned it, until now. A lot of personal settings get reset, including the time zone?
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Whenever I start my car the default screen is the map, whether I am using nav or not. Is there a setting somewhere where I can make the audio the default screen?
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My MFD now only shows the Toyota Logo, whatever I do. Also, I cannot play music. The trick with pressing (hold) INFO and headlights three times does not bring up a diagnostic screen. My theory is that the MFD is waiting for some signal over the network before showing the usual screen (and it never gets that signal). Some years ago, I had a third party fit a new audio tuner and player (non-Toyota), and that worked more or less fine for years.
They had to leave the old faulty Toyota audio in the circuit to make it all work, and they said to leave the graphic equaliser on even settings, and then forget it. The old Toyota audio CD changer had failed, but the rest was OK. My 'guess' is that they had to leave the old audio device connected because it terminates the AVC-LAN with a 60 ohm resistor. Maybe that connection came off, and now the LAN signals are not good, and the MFD is locked up 'always waiting' for the signal from an ECU.
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I just rescued a 2005 base from the baking florida sun, sat for an unknown amount of time,paint shot,steering wheel cover falling apart both easy to fix so I was wondering if there is a plastic replacement screen for the MFD and where to get it....
Jump started the car,did some stop and go's to get the main battery to show a charge added some fresh gas then drove it 82 miles home..saying 52.2 MPG battery fully charged so I think its worth fixing the cosmetics.
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Gen III, 2010 Prius III ... There is a flashing yellow triangle, dashboard lights up, but won't start. The dome lights won't turn off, in any position.
Drove it last night and drive it regularly, daily. I came out to the driver side door being not fully closed. What's going on?
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Driving my 2008 with 189,000 miles on the congested "freeway" the ominous red triangle and the yellow exclamation next to it just lit up. A quick scan of the OBD showed no error codes and good auxiliary battery, engine coolant Temps etc. And good gas mileage, engine vacuum. I had replaced the spark plugs with new iridium two months ago. When I stopped and checked the hybrid converter had good levels and turbulent flow. The oil had been changed a week ago and checked again at lunchtime. Now only the red triangle shows.
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I have an Android phone paired to the bluetooth and I love being able to listen to audio apps on the car stereo. However, it has a most annoying habit. The most common app I listen to through BT is Audible recorded books. I also have Pandora and the stock music player on my phone. Generally, before I shut down, I press the pause button on the audio screen and turn off the audio power switch. When I restart the car and the BT audio, while it will usually start with the app I was last listening to (i.e., Audible), it very often decides it is going to play something from the music player. I don't understand why it makes this decision because it isn't because I have been listening to the music player since turning off the car!
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I have a 2008 Prius. I noticed that a large red triangle displayed briefly on the left when I started my car the other day. I know all the other smaller icons light up briefly but I don't remember the large red triangle lighting up. It and all the other icons go off after a second or two. Then the next time I started the car there was no red triangle. Then maybe the 3rd time I started the car, the large red triangle did again appear briefly. I took my car to my Toyota dealership but the tech said that is normal and means a door must be open, but that cannot be correct. I make sure all doors are closed and the "Open door" icon is not showing. I have already been through the water coolant inverter pump disaster so I admit I am a little paranoid about any funny things showing on my dash.
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Working on a 2010 with 156k miles that threw a P0A80 on two separate occasions. Once before the 12v battery was changed, then the day after the 12v change. Decided to change the HV traction battery today with one from a wrecked 2014 with 56k miles.
After changing the HV batt I started getting the yellow triangle with no code associated with in. I would clear the code and drive the car a few minutes and then the triangle "check hybrid system" would appear.
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The thread title says it all. I followed the instructions and watched the video. Did I unplug something by accident?
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2012 Prius Five. Dealer installed remote start using the stock key fob. This is the one where you push the twice button twice then press it and hold it for three seconds. The emergency lights flash while in remote start but the car shuts down when a door is opened.
A few problems I'm having is that first off the range stinks. I'm used to a chrysler remote start that I could turn on from the far end of my house and I'd hear the car beep twice to know it was turning on. Plus you can hear the V8 start. The Prius makes no noise so my only confirmation is to look out the window and make sure the flashers are flashing. Any way to have the horn beep to confirm? speaking of which, does this car have a horn?
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Sometimes I just leave my iPod plugged in to the usb port when I turn off and leave the car. When I come back, the music won't start playing until I unplug it and plug it back in.. Is this a problem? Or am I just not supposed to leave it plugged in? It seems like a hassle to have to take it out every single time I leave the vehicle...
Also, is the sound quality a little choppy for anyone else using USB connection w/ an iPod? I'm using a 3rd gen iPod touch, and I'm pretty sure its software is up to date. Bluetooth sounds amazing, but I like using USB because I can see the song title/playlists and all that good stuff.
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My car (2006 Prius with 250k miles) was operating normally all day today. Still getting very good mileage around 52 mpg on average. Then abruptly, the big red triangle and few other yellow warning lights (check engine, VSC, and an indicator with exclamation mark in the middle) showed up while the car was moving around 20 mph.
Now, the car does not have much power and it was very difficult to speed up or going uphill. Turned the engine off and then back on. The symptoms still persist. The battery indicator was at only 1 bar. Let the engine run for a while and the battery indicator went to 3 or 4 bars. Turned the car off and then back on, the battery indicator went back to 1 bar immediately. Also the battery fan was running at high speed, even through I have just started driving for about 5 minutes.
Will do the following tomorrow:
(1) check 12v battery,
(2) use Torque SW to see if HV battery has proper values, and
(3) read diagnostic codes.
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Last month my red triangle would pop up along with the yellow head light symbol. Most times it would be for a few seconds, other times it would stay on for a few minutes. Today I rotated my tires and I thought I would check out leveling sensor while the tires were off.
I took my left rear tire off and this is what I saw when the sensor was removed.
So everything looked normal to me. Looks can be deceiving. I've seen pictures on here of leveling sensors where the guts are completely rotted out. That's what I was thinking I was going to see. Here is a picture of the bolt side of the sensor:
Again, it looked normal to me. If you don't know what you're looking for, especially if parts aren't mangled, it can look normal. So I took the four screws off of the sensor and this is what I saw:
The inside of the sensor was in pristine condition! The springs are shiny gold and there was only a small amount of dust inside the sensor. I started to think about how the sensor works and I figured out that the sensor must move in some way. Hmmm. But there was no bracket on it to turn the sensor.
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I have a used 2009 Gen II with 117k miles. While taking a trip and climbing a high hill on the five, a yellow triangle came on the monitor with the word problem. Now I was going slow up the hill 55mph. I never experienced it with any other car. The battery went to purple and heater did not work.
After pressing the problem triangle it would turn to a thermometer signal. So i assume that the car is over heating. I make i to Los Angeles but then i hear a hum after shutting off the car. It's the pump running much louder.
I fill the radiator with correct fluid from the dealer and I'm thinking that the monitor warning came on only because of the fluid level. No warnings from then on.
So I buy a mini VCI and it has p0128 logged. So I'm thinking that the thermostat doesn't work. However I hear fluid moving from time to time. One day before a trip in the cool morning (around 55 degrees), I open the radiator cap to make sure it's full. It shoots up like a fountain, there was pressure/air in it.
So How do I address the p0128 problem and the no heater problem?
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How do I turn off that Severe Weather alert when I start the vehicle? I remember reading the trick somewhere ... But cannot locate it now.
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I am going to remove LED headlights & do a full HID retro.
Only problem is that the car has a system check & throws a flashing yellow triangle. How to trick the system?
There are 6 wires on the LED headlight harness.
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I've read some similar posts but I havent found one with the same problem.
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Twice this week I have received the Yellow Triangle alarm with the message Key Battery Low. This is the first time I have seen this alarm since I bought the car in August 2009.
I changed the battery the first time after 3 years based on recommendations from the forum. This time the batteries lasted just over 2 years.
I tested the batteries on both Key Fobs and they were both in the 2.9V range. The new batteries tested at 3.3V which is their rating. So ~2.9V must be the low alarm setpoint.
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