Prius (2004-09) :: Irregular Behaviour Of The Car - System Malfunction
Nov 8, 2014
Problem and background: for PRIUS 2004 Gen 2 , 157000 km, not getting READY to drive.
1.Warning signals on Power ON, red triangle, yellow color engine, brake, ABS, skidding. Also the PARKING BRAKE RED signal (by the side of seat belt warning signal), does not disappear even if I release the foot brake.
2. Gear can move to N and parking P only, can't move to Drive D or Reverse R. No READY symbol,
3. I left the car in that location in open for a month, during heavy rain. But after coming back , the car had no issue and I was driving for 4 days before this issue started.
what I have tried:
1.Have removed the 12 Volt battery terminals and connected back, just to see if the errors disappear. No change. But did not check the battery voltage or suspect it . disconnected and connected the HV service plug.(orange color lever behind rear passenger seat).
2. Have been switching ON and off the car for 1 full day, First day the local Toyota service (non-prius), came to connect to OBD late evening, he switched on the interior lights and left doors open, within 10-15 minutes the lights started dimming. Before he could pull the information, all shutdown and 12V battery down. his measurement at battery without removing any terminal showed 3.6V.
3. The second day took the battery out and charged at local battery service guy for 6 hrs, he say's charged at 3A, the indicator showed green, that means fully charged, his measurement with no load 12V. After connecting to the car myself, checked the voltage at display by putting to diagnostic mode, showed 12 volts (only with display on) with headlight on and pressing brake drops to 11.6volt. IS THAT OK?
4. The third day got the new battery and replaced, showed the same voltage 12/11.6v, but I can't be 100% sure if that is a brand new battery, the box was open, and since the car didn't start, the battery sales person has taken back the new battery in the same box. I connected back the old battery, it was holding the same voltage. SHOULD I still SUSPECT BATTERY?
5. I can make the READY indication blink twice, if I press hard the brake pedal and hold the POWER button few seconds, during this time I can hear CLICKING NOISE behind at HV BATTERY SERVICE PLUG grip? does that say something?
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So my wife's MPG has gone down from mid- to high-40s to barely 40. We've taken it to the dealer and they run a check and said there was nothing wrong, adding that if there was something wrong with the battery I'd get a warning light, anyway.
So, took her car to get some gas for it and coffee for me, Battery meters was about 75% full when I took off. About a half mile later I noticed it had dropped to 40 percent. At that point I filled it up.
When I started it up, I noticed it was now in the purple range. It stayed that way until I got home (after stopping for coffee, too).
Total trip is only about 1.5 miles.
This has been a fairly typical scenario lately, but this was certainly more extreme.
So I think there is something wrong with the way the batteries are charged or the batteries themselves. Toyota disagrees .
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The customer was driving, then he said the triangle of the death and check engine light came on. Then, he kept driving for a little while and then all the sudden everything went dark and he coasted to the shoulder. The car hasn't had the inverter coolant pump recall done, so I am leaning towards that. The car's dome lights come on, the key can unlock and lock the car, but if you slide the key in and press the power button, nothing happens. What on earth would cause that?
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I took it to Advance Auto and their scanner reads C1310 'Malfunction in HV system'.
I actually replaced the entire HV battery again with the battery from my friend's car, and the 12V battery too, but no luck. Same error.
If i disconnect the 12v battery for a while, it will clear the code and the car runs fine for about 20 miles and then dash lights come on again.
Car runs perfectly, over 50mpg even with the dash lit up. What that code is?
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I am in Toronto and its cold, but not THAT cold yet. So I am doubtful its temperature related. I checked the fluids and they all seem to be sufficient (engine oil, radiator fluid, power steering fluid). I didn't notice any leaks under the vehicle either.
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