Prius (2004-09) :: Not Starting - Status Between OFF And IG-ON Mode
Jun 8, 2015
This morning when I sit in my prius, engaged brake and pressed ON, I was surprised that the car was not starting. In fact in was in a status between OFF and IG-ON mode. The cabin lights were on, so as the head lights. The dash was lighted, but weird: the fuel indicator shown empty, though it was filled two days ago and the central screen was not lighted, so it was not the IG-ON mode in which the central screen should be lighted.
I cannot switch from the P mode, and I don't remember whether I saw the "ready" on the dash. I turned the system OFF and repeated the procedure but it was on the same situation. I was a bit panic, looking at the manual and after few minuets I decided to try again. And surprisingly it backed to normal. I drove it all the way to work and didn't notice anything wrong.
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My AC always defaults to Recirculation mode the first time I use it after starting the car even though Auto mode is off.
Can I change this to default to fresh air mode?
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Today I went to the national car test (passed. but), when the car has been returned to me by the employee of national car test center I noticed one bar on the SOC. This happened for the first time.
Additional notes:
1) recently (about 4 weeks ago) I had to temporarily replace for second hand (20 bucks) 12v small auxiliary battery.
2) recently (withing last four weeks) I noticed high temperature in the boot compartment, I tried to investigate and the ducting leading from the HV battery was really hot, which means that my battery was really hot too.
I tried to explain this to myself that this might be due to HV operating at higher levels due to unknown state of the replaced 12v small aux battery (second hand product).
3) Today I noticed that technician at the test center used some spring assisted bar to press the brake on the car while he tested the car, I recon that maybe he have had powered off the car while doing so, is it possible that this might have contributed to the dropped SOC ?- it's just my guess.
I'm thinking to replace 12v aux battery to brand new battery and then test the operation of the fan and whether the temperature still rise. - is it good idea? Or should I just seek for the testing tool to determine the status of each of the modules?
If so, which testing device can handle this task? I heard from this forum about ELM obd bluetooth adapter. I use android device, would this be okay or should I look for another device perhaps scangauge?
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Just got a 2008. The Hybrid Battery Status indicator on the display is usually yellow. it will sometimes switch to blue. I assumed that yellow was the correct color but after reading some posts here it seems that they should be blue.
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My 2007 Prius has been with me for 3 months now. I am really happy with its performance, especially its fuel consumption rate.
I would like to check the state of the hybrid battery and maintenance it if necessary. How could I get this done?
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The sound emanates approximately from the area of the coolant storage tank (driver's side, behind the front bumper), though I doubt the tank or its pump is the problem. It sounds only when the car is in 'ready' status. I also think it is not one of the relays in the nearby fusebox. There water-pump drive belt is not on that side, so I don't think it's the water pump or its idler pulley. I have posted a ten-second sound recording on YouTube, greatly amplified. (Ignore the video portion.)
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When I start my car in HV mode (not enough juice to drive in EV mode), I've noticed this noise sounding like the motor is starting. The noise lasts about 15 seconds and quiets down. When the noise is ongoing, the EV and ECO sign on the instrument panel would only show a silhouette (it doesn't light up to show the EV or ECO). Once it quiets down, the "EV" sign lights up.
I dont think this has to do with warming up the car because it's 85F outside where it's parked.
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On the Gen III Prius, is the Battery indicator that is displayed on the HSI an actual 0-100% charge indication of the battery?
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I am getting a blinking red indicator on the status screen whenever the power is off (locked or unlocked), with a symbol of a padlock over a car.
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I have a 2004 prius that sat for 2 years, I just replace a cell, worked on the HV battery and made sure it was balanced. I got the battery back in and I can't get it to go into Ready mode, I can get it to ignition on and charge the battery and into acc. I've checked several components to see if they were causing the issue.
- 12v battery is good
- brake light switch seems to be good as the lights come on when the brake pedal is pressed (but ready mode does not)
- I've checked a number of fuses
- used and obd2 adapter with torque and it is not coming up with any codes
-Edit-
- 12v battery was replaced last spring and has been maintained
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I own a 2008 Prius. Yesterday, for the first time, the car would not go into On mode. Here are the steps I followed:
1. Confirm the car is in park.
2. Press the brake pedal.
3. Press the Power switch.
The amber light on the Power switch came on for a minute and then turned off. The instrumental panel remained dark.
The green light on the Park button came on. The audio and touch screen worked, as well as the power windows and power door locks. And, I was able to drive the car in reverse and to drive forward. I only drove a few feet back and forth on our driveway.
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Very very odd thing happened. Driving up from Houston to Colorado yesterday. Snow tires mounted in preparation for the snow in NM and CO. Around 300 mi into the trip, the CEL (check engine light) came on. I was on cruise control, I did not notice the lack of power. Checking the battery, it was in the purple. I first opened the gas cap and screwed it back in. I figured the change in elevation or temperature may have had something to do with the CEL. Nothing. Gas tank was a quarter full.
At Lubbock, I pulled over and filled up. I played with the rubber gasket on the gas cap but decided it was going to be more trouble than I was prepared to deal with, without any tools. CEL stayed on for another 30minutes or so while I navigated through the city, covering another 20 miles or so. After a pitstop to pick up OJ, I started the car and the CEL was off.
Here are the variables:
Elevation delta - +3000 ft
Temp delta - -10F
The only thing I can think of is that the hybrid battery is getting long in the tooth (2008 MY, 103k mi), the wind in the high plains chewed through the battery power, and the long length of being in low charge got the ECU to confuse itself into thinking that the hybrid battery has bad cells, which it probably has a few weak cells.
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My 2005 Prius won't go into READY mode. This has been happening for many times now almost a month. Up until today if I let it sit there for a while (sometimes a couple of hours) it would work eventually, however, starting today it just does not want to go into READY mode. One thing that I have noticed is that when I press the brake pedal the brake lights do not turn on. I have been suggested that it could be the Stop Light Switch that causes it, and one way to check was to perform the following procedure:
(1) Push the P position switch.
(2) Parking brake pedal is depressed.
(3) Turn the power switch from off to on (ACC)
(4) Brake pedal is depressed.
(5) Press and hold the power switch for 15 seconds or more.
According to Vincent if this starts the car then it is the Stop Light Switch but I was not able to start my car even with this procedure (may be I am doing it wrong.
Note: I have checked the 12V battery and it is not the problem.
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I just recently bought a 2007 priuswith 77k miles and really love it and just 3 days ago installed the EV switch (manual button, not the coastal one) because of my plans to get it to plug in in the near future, and it worked very nice until today. No matter what i do and when i press it, it just keeps saying "Cannot change to ev mode now" doesn't matter if i push it before the ICE warmup or after. its in the range where it should be working like plenty of battery, not pushing the accelerator at any time, under 34mph, and not while the ICE is running....it was in the mid 80's today which is cooler than last 2 days. I'm just not sure what to do anymore...I do have a check engine light on for 02 sensor but it has been on since I bought the car.
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I've had my 2009 Prius II for about a year now and I have NEVER been able to turn on the accessory mode. I followed the manual and put the smart key in the slot and pushed the power button while keeping my foot off of the brake pedal but I get NO RESPONSE. I tried holding the power button down, pushing it just once, and pushing it repeatedly. I've successfully engaged accessory mode on a similar interface before (on a hybrid Highlander) with no problem.
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We got this 2007 used in June and I love it but recently I have been reading the manual and noticed the power on mode. I have tried numerous times and different ways to put it on with no luck. It powers up for ignition with no issue but I can't just listen to the radio or reset the tire pressure because it can only go into ignition mode.
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I measured battery on my 2007 Prius by MDF, it's only 11.9V, charging is about 14V. When I turn on ACC mode, and Radio is on, I think it shut down the radio after about 15minutes; I cannot put the car in ready mode after it shut down. I have to jump it in order to put in ready mode. Is it my turn to replace this auxiliary battery?
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I have noticed that when driving in EV mode when the car switches over to HV mode the Eco icon always lights up! Of course you can select Eco, or Power mode manually, but when it does this automatically, after the EV battery charge is used up, it keeps showing the Eco icon being lite not HV.
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I own a 2007 Prius with almost 125K miles. I've had AC issues with this car since I bought it with 97K miles, and there's one thing that I just realized. I have a sneaking suspicion that the fresh air/recirculate mode is not quite working right. I have a feeling my car might be stuck in fresh air mode, or if not stuck, that the baffle is not closing all the way when I place it in Recirculate mode. Is this an easy thing for me to check, or does it involve taking apart the dash or something more involved?
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I have a problem I can't figure out. 06 Prius with 105k.
Current codes: P3000, P3020, C1259, C1310, C1378
Car will run and drive but is in limp mode
HV battery fan is at full blast, but charge does not fluctuate
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Hard to put it all in a title. I have 149K miles on our 2009. The warranty expires in 1000 miles. I've noticed recently that I can no longer engage the ev mode with the ev mod. I always get a "cannot change into eve mode" message on the MFD. It used to be that I could do it before the engine started or after all warm up cycles were complete.
Now, when first powering on, ev mode won't engage before engine start and there is no MFD message. After warm up is complete, the message appears on the MFD whenever I try to change to EV mode.
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