Prius (2004-09) :: 2008 Does Not Always Engage EV Mode When Battery Is Green
Mar 19, 2015
I have noticed that my 2008 Prius does not always engage EV mode (after I push the EV button) when the battery is green (nearly fully charged) and speed is well below 45 km/hr. Message displayed is "switching to EV mode is invalid now". So it seems there are factors at play other than the speed and the level of traction battery charge.
What these are? Is battery temperature monitored? Will the operation of the air conditioner affect it? Most times it doesn't but I wonder if under certain circumstances it might.
I use it at times if I am going up a slow speed incline, often from a standing start, knowing that there will be plenty of opportunity to recharge shortly after.
Weather here is pretty warm- around 30C maximum during the day.
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When battery is low (purple bars IN DISPLAY) EV mode is not allowed, obviously; but WHY is it not allowed when the battery is full or nearly full (green bars on display) ?
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I tried to turn on my car this morning, but the "Ready" sign didn't go on. The whole display is black. "Check Engine" sign blinked briefly. Battery display shows the battery is "green". Everything else works - cd/radio/bluetooth, etc. As I tried to start it, the screen showed that the engine briefly charged the Prius battery, then it was all quite. I tried to wait and restart a few times, but still the display was all black and no "ready" sign. I WAS able to still move the car, but I didn't chance to drive it out of the garage. I just had it serviced (oil/fluid change). Small battery was replaced in July.
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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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The green light comes on but the cruise control does not engage. It did work one time the other day but usually doesn't. What should I check?
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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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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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About to hit 130,000 in 20 miles. For the past 10-15k miles, I have been consistently getting under 40 MPG, about 36/37. Only can I get 40+ for a whole tank when I do mostly highway driving. Before, my tanks would average 42-48 mpg.
My battery is also doing some funky things, sometimes when I turn the car on for the first time on a new day, my battery will go from green or blue (the blue right before it hits green) and will literally drop to one or two slivers of red in 15 seconds. I took it in when it first started doing that and they did a software flash or update, something along those lines.
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So our car has performed flawlessly since 2005/135K miles. Still getting 55 mpg in the display in the summer, 45 mpg in the winter. Only issue is traction battery SOC quickly goes to full green when coasting downhill, and 1 or 2 purple bars when climbing. In Colorado, this happens a lot. Within a mile or so coasting downhill the SOC is full green. Question is: should I replace the traction battery? Is there any harm to continuing to experience this behavior? When full green, I realize I am using friction braking over regen braking, have actually felt the crossover from regen to the pads, as the SOC goes full green.
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I've got a 2010 Prius w/ NAV. Yesterday morning, my Prius would not start. When I pressed on the brake, the green "Ready" button would not light up. When I pressed the start button, the NAV screen came on as did some of the dash lights, but the car engine itself was not on. When I hit the start button again, I had a yellow triangle on the left side of my screen that continued to blink.
From reviewing the forum, I believe that the issue is the 12V aux battery. I was able to get my car into maintenance mode, and the 12V battery was reading 8.6V; however, this was after my car had sat in the garage for 10 or so hours. However, by going into maintenance mode, I was again able to get my car to start. This morning, I drove my car to work (about a 15-20 minute drive). After I got to the office, I turned the car off and got back into maintenance mode. This time, it was reading 11.6V on the battery.
Am I correct that this is most likely an issue w/ the 12V battery going bad on me? I purchased my Prius in July 2010, and I have never changed the battery. It sounds like the "typical" lifespan for the battery is right around 4 years, so this seems to make sense.
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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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I am pretty new to Toyota Prius. Today I went to test drive a jap import 2nd Gen 1.5 Prius with 50k miles. What I found weird with the car was that, on the startup the petrol engine also started and it was on for the duration I was driving. I then turned on the EV mode and the petrol engine turned off but looking at the battery capacity on the screen, the battery drained pretty quickly possibly (2-3 minutes) and the petrol engine kicked in. Is this normal for 2nd gen prius cars ?
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Have a 2014 Prius III. Was getting 50-60 mpg until i took it in for the 5k mile service. Immediately afterwards the mpg dropped to 43-50 mpg. It seems when the car is cold, it will start in EV mode for a few seconds and then the engine will kick in and it will not enter EV mode for the first few miles even with the battery 80% charged, driving under 20 mph, a/c off and keeping the Hybrid system indicator in what should be the EV range.
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Maintenance Mode is useful for running the engine continuously without it shutting off, such as when you do a coolant drain and fill and want to purge air out of the cooling system. This thread was created to clarify the procedure for engaging Maintenance Mode on the G3 Prius after attempting to do it according to the Prius service manual and finding that the manual does not clearly describe or include all the required steps.
Perform the follows steps in less than 60 seconds to engage Maintenance Mode for the G3 Prius.
Begin with the car and all accessories turned off.
Set the parking brake.
With the car in Park, and your foot off the brake pedal, turn the Power Switch "On" by pressing it twice.
With the car in Park, and your foot off the brake pedal, fully depress the accelerator twice.
Step on the brake pedal and use the shift lever to shift from Park to Neutral.
With the car in Neutral, and your foot off the brake pedal, fully depress the accelerator twice.
Step on the brake pedal and press the Park switch/button to shift from Neutral to Park.
With the car in Park, and your foot off the brake pedal, fully depress the accelerator twice.
Check that "Maintenance Mode" is displayed in the multi-information display.
Step on the brake pedal and then press the Power Switch to start the engine.
Important: DO NOT drive the car in maintenance mode to avoid damage to the transaxle.
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Just recently I"ve noticed my Pri-v is taking longer, and not as often switching to EV. All these observations are after the car has been fully warmed up and driven for several miles with a sufficient battery charge. Previously it would always switch to EV at 43mph when letting off the accelerator.......and I could keep it going usually till about 45.... A quick let of the accelerator would almost always accomplish this. Recently it has not been consistent...a few times not even shutting off when the car is stopped. The car has about 88,000 on the odometer. I've always noticed when it does go from ICE to EV, the transition is not a smooth too. That I"m guessing is the transmission fluid?
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RX450h. Just purchased used 2010 model and today with first hot weather discovered climate control not really working well in eco mode. After long search found the button which switched ECO mode off in multi information display BUT the green ECO word still kept displaying on Hybrid system Indicator. So now I am confused, do I still have ECO mode on or not? And how can i get that green ECO message of my hybrid meter?
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I noticed a 1'x2' square in the bottom passenger side corner of the radiator covered in green oily gunk. Ive had the 2008 for about 1000 miles (has 58k) so Im assuming its been there for a while. Seems like its impeding airflow. Its very green.
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I can park the car with a full charge showing (all green)
leave the car parked for 4 days and when it starts it shows one bar below full green.
put the car in D and go to the corner about 1/4 mile, maybe less and its down to one purple bar then starts to recharge . AC/RADIO ECT ARE OFF
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I own a 2008 Prius with 87k on it. The factory hybrid warranty was good through 11/15 and on 1/22/16 the dash lit up along with the MFD screen. After research I thought it was an inverter pump. I got the call from Toyota that it was throwing a P80 code meaning it is the hybrid battery. The dealership told me that it would run 3200.00 for a new replacement. I called the service manager and had him send in a goodwill exception since we service our 7 other toyotas with them.
Toyota corporate responded they would cover the battery under goodwill but I would have to pay the labor cost of 450.00. I spoke to the service manger and the dealership is covering half of that which I'm only liable for 225.00. I'm not out 3200.00 but after doing more research the typical battery last 60-80k. Some are luckier to get over 150k. For those Prius owners approaching those miles beware that you might need a battery replacement. This will be the last hybrid I will ever own.
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My 2008 Prius battery stays blue all the time and my MPG went 43 from 51MPG. Two days ago I drove almost 600 miles but battery sign didn't go to green. I dont know if is there any problem with my car? NO CIL.
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I am currently driving my dad's 2008 Prius because of other vehicle problems. When my daughter got out of the car last night, she did not get the door closed all the way. It sat that way all night in a VERY cold garage. Now it will not start and the malfunction indicator lamp, which looks like a check engine light to me, is very faintly flashing. I figured the battery was discharged and attempted to jump it per the manual's instructions. It still will not start and the lamp is still flashing. I can hear clicking under the hood, as well.
Do I just need to leave it hooked up to the jump vehicle longer? OR, is this a "dealership necessary" issue? I would have to tow it to a dealership, since it cannot be started, which creates a whole new set of problems. ( The car is parked in my garage and would be very difficult to get it towed.) What I may be doing incorrectly?
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