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That is because your Prius uses a safe, but very slow charging system called "Constant Voltage" An external charger can be used as long as it is...
No! Charging the 12v Prius battery should be limited to less than 3 amps. Get a Battery Minder and leave it attached and plugged-in for long...
Modern analog FM receivers use a Phase Locked Loop Stereo demodulator (My patented approach circa 1971) which is capable of about 20-40 dB stereo...
You left out a critical part of the check sequence. Add a load while NOT in "READY" mode (e.g. accessories, headlights) and see how far the...
We have 3 cars in our family: 1997 Subaru - almost 15 years and 240,000 miles. It is recently costing about $1,000 in mechanical repairs each...
You get the minus sign if you connect the multimeter backwards. JeffD
Did you make certain that all of your modules were at the same voltage. They need to be all the same or the ECU will complain with a code. JeffD
So the 12v battery is bad as all of the others have said. Replace it! JeffD - Originator of the Prius 12v battery test procedure
The Gen1 battery has a shorter expected life than the Gen2 battery since the modules were improved at the transition (and again improved for the...
No, the Gen1 battery has 38 modules and the Gen2 Battery has only 28 modules (and lower voltage). You can replace the modules in a Gen1 battery...
Unless you are a DIY, have a Toyota dealer change out the Transmission fluid (Toyota type WS ATF), It should cost about $100. JeffD
I wouldn't be sure that Toyota is selling Gen1 replacement HV batteries with Gen2 or Gen3 modules. At least we know that ReInVolt is using the...
My dealer charges me $100 for the ATF Drain and Refill. JeffD
That's quite an accomplishment. My 2004 Prius at 213,000 miles still has more life in the original brake pads/shoes. JeffD
Not much meaning as the cables "auto-adjust" polarity. Their only problem may be that the clamps may be too big to attach to the jump point under...
It is straight forward, It is just a bit awkward to get at it in it's little cubbyhole. I put mine in without following any directions (watching...
Stop at Autozone and have them read the codes. Report the results here and one of us will interpret the codes properly (Autozone's interpretation...
My 2004 has 213,000 miles and just a few problems to date: Steering column - there was a recall on this, but mine needed replacement some time...
Normal Prius 12v Readings: Ready Mode - about 14v if noticeably higher, the charging system thinks that the battery is mostly discharged...
Human nature and limited resources. Read one of my favorite short stories "The Dwindling Sphere" by Hawkins circa 1940 (on my web site) THE...
