Question about 2001 Toyota Prius

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Prius series 1 (1998) warning sign

My Prius has recently been showing the warning sign (triangle with !) on the panel. The energy recovery system seemed to not be working correctly for a day and since seems OK. I can't get rid of the warning sign. I have tried disconnecting the 12 volt battery and reconnecting, but without result.
Any suggestions before I approach the (very expensive) local Toyota agent.
Peter W

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  • Anonymous Nov 12, 2008

    having a similar problem to the last person warning light coming on the dash board - it's a triangle with an ! in the middle - with some loss of power. Does any one know what this might be and if there is any info on the web that can assist with understanding what the symbols mean? Any help would be appreciated.

  • brosdee Nov 26, 2008

    I have just recently bought a Prius the 1999 model, and it has the triangle and ! warning signal, also it has another signal with ! in the middle of a car image when the car starts, can someone tell me what is going please. does it have anything to do with the hybrid system, or its mechanics? can it be fixed, also can someone tell me how to fix a CD player on the prius as mine came with the good old cassette player.
    thanks

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Hi tanera

can you please share the UK CONTACT!!!!!

Abdul

Posted on Jun 24, 2010

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The warning symbols indicate that the computer has detected a problem with the Hybrid System, probably the main battery. Take the car to a dealer so that they can read the diagnostic codes from the computer and determine the cause of the problem.

Posted on Jan 04, 2009

Hi As far as I know there is no way of changing the language to English. My Prius has a mixture of Japanese and English. I have not found this a problem in understanding what is going on. I have been generally delighted with my Prius although the problem above has needed a change of HV battery. It took a little time to find someone with the know how to do this at a reasonable price but I can give a UK contact if anyone wants it. Car is going like a dream. Enjoy tanera

Posted on Oct 18, 2008

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Hi I have bought Toyota Prius 1998. The car has been imported from Japan. It's got Japanes languege on Multi Information Display.

Do you know how I can install English Lang?

I believe the is no option to change the languege on Multi Information Display.

Thanks

Posted on Oct 16, 2008

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You will need to have this light reset with a scan tool, it is stored in a non-volatile (stays in memory with or without battery voltage) memory. Have the dealer check the cause, better than a tow bill.

Posted on Sep 02, 2008

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Red triangle with exclamatory sign in the middle came while starting my 2001 Toyota Prius Hybrid car


Orange triangle sign is called master warning light. When this happens get your car be scanned with the help of diagnostic computer to get to know the problem in any of the systems.

Feb 16, 2015 | 2001 Toyota Prius

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Prius 2005 triangle indication


The Triangle indication:
Description: MASTER WARNING LIGHT.
The battery ECU has a self-diagnosis system. If the computer, High Voltage (HV) battery system or the components are not working properly, the ECU carries out a diagnosis to detect the malfunction, and illuminates the master warning light in the combination meter together with the HV system warning indicator on the multi information display.
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The master warning light illuminates when the HV battery system fails and it blinks when in inspection mode.

Apr 17, 2014 | 2006 Toyota Prius

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I have toyota prius 2008 suddenly start showing little red triangle and green car display on the battery diagram gone red from green please any body knows about it..


I had the same problem, Check the inverter coolant pump.
Most probably , the pump must be not working.
How to check the coolant pump?
Closer to the inverter , there is clear plastic bottle filled with red colour solution.
Now open the lid while on start and check whether the water is moving.
If the water is not moving , then definitly the solution is to replace the coolant water pump.
I hope you can correct it.
good luck.
Trishan Sri Lanka.

Feb 14, 2013 | 2008 Toyota Prius

1 Answer

What does it mean warning light TRIANGLE WITH SNOW on TOYOTA PRIUS 20 dashboard


Hello,
There is absolutely nothing wrong with your car. It's actually keeping you safe! If the outside ambient temperature is +37F or lower, your car knows this and gives a warning for possible black ice conditions. Lots of people wonder the same thing, next time it shows the warning, note the outside temp to see if it's below +37F.

I hope this info helps!
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Sep 21, 2012 | 2006 Toyota Prius

2 Answers

I mailed yesterday about the problem with ouy hibrid prius. The problem is there is a warning light and a triangle sign appear. The problem is that we dont understand what is this sign for, and also the...


The triangle with an exclaimation mark in the middle is the Master Warning Light . I havn't had time to check out exactly what it is but is is covered in the service reminders part of the owners manual. Google " 2005 prius warning lights . In the first result , you will find a link to toyotapartsandservice.com where you will find owners manual's etc. ( in english )

Jan 06, 2009 | 2001 Toyota Prius

1 Answer

A warning light appear with my hibrid prius


I have same engine problem. Triangle signal pop up after I try to start my Prius with a still wet air filter to the car . The engine just run for less than 30 sec. and stopped with the triangle signe pop up. I think this sign will pop up whenever the engine detect certain major function failure. For my case, it was due to retricted air supply to the engine. I have tried Lovebytes suggestion and the triangle sign disappeared with a dry clean filter. My Prius is running good now. This warnig sign may have other implications. Once you try this method and sign still come on. You need to have your car check by garage.
Bellow attach is the answer from Lovebites

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I had the same problem. I unplugged the relays from the fuse/relay box under the bonnet. (Top left side) and replaced them. The problem disappeared. (2001 Prius 109,000 miles)

Jan 05, 2009 | 2001 Toyota Prius

2 Answers

Toyota 2001 prius hybrid- warning signs


your owners manual should show all of the symbols and what they mean.I tried to get one to look at it but no luck...they should be in the manual though

Dec 15, 2008 | 2001 Toyota Prius

2 Answers

What does it mean when a waning sign comes up with a picture of a car & an explaination mark? and also a triangle with an explaination mark, both at the same time??


The Prius has electric power steering. The "PS" in a rectangle means that the computer has detected a problem there. The red triangle with an explanation mark means that the computer has detected a problem with the Hybrid System. Usually it is accompanied by red symbol of an automobile. In any case you should take the car to a dealer who can read the diagnostic codes from the computer and determine the cause of the problem.

Dec 15, 2008 | 2001 Toyota Prius

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