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Hybrid Vehicles Toyota Camry Hybrid Toyota Camry Hybrid Maintenance & Repair Toyota Camry Hybrid Battery Pack Questions
96 messages, Last post on Dec 15, 2008 at 3:44 PM
You are in the Toyota Camry Hybrid Maintenance & Repair Forum. Your Host is pf_flyer
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Replying to: magelan (Sep 18, 2006 8:35 am) |
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Replying to: magelan (Sep 18, 2006 8:35 am) We're a bit confused. The only "key" that the Camry Hybrid has is a little bitty stick of metal that's used to open the driver's door and/or trunk in the event the SmartKey fob fails. There is no physical keyhole or key-socket inside the car anywhere. No physical key is used to start the car or to turn it off, just the Power button. Thus many Camry Hybrid drivers DO stick the car "key" (i.e., the SmartKey fob) into their pocket to drive. I keep mine in my purse and never have to take it out. |
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Replying to: magelan (Sep 18, 2006 8:35 am) I started to ask the same question. Now that you've answered it I still don't know what you're saying Oh, come on! I would not stick the car key into my pocket to drive! Uhh, that's where I keep mine when I'm driving.
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Replying to: wvgasguy (Sep 18, 2006 4:35 pm) I also keep the keys in my pocket when I drive. |
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It happened to me too, today : Left the car at a parking lot, the parking attendant told me he knew how to handle a hybrid. I was back within 2 hours, to find the traction battery almost depleted. I guess the attendant pushed the POWER button before shifting into PARK. From now on, I will keep printed instructions in the glove box, to put them on the instrument lens when I leave the car, and I will also make sure the radio is ON (it stays ON if you push the POWER button before shifting to PARK). |
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Replying to: magelan (Sep 17, 2006 10:29 am)
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Replying to: gillesmtl (Sep 21, 2006 7:02 pm)
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Replying to: regal1945 (Sep 24, 2006 2:49 pm)
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Replying to: magelan (Oct 07, 2006 5:32 am) |
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Replying to: droid13 (Sep 08, 2006 8:57 pm) 1. The high voltage Totem pole Up/Down converter which raises the HV battery pack voltage to the main HV bus up to 650v max. from its low of 244volts while accelerating ( something to do with maintaining volts/Hz)with MG2. And then while decelerating must lower the HV bus voltage to the HV battery pack voltage to enable it to absorb the recaptured energy. And then there must be this other converter that gillesmtl was referring to earlier. 2. A bidirectional converter which allows power to be exchanged between the 12 volt accessory battery and the HV battery pack. This must be about the schematic I saw on the ANL goverment site which shows how the galvanic seperation for the two battery systems is attained. Until now I didn't know which car this was intended for. I'm pretty sure the Gen 1 Prius does not have this. Anyway for those interested they use two H-bridges connected via a high frequency step up transformer. Obviously only one bridge can be enabled at any one time. So the sequence must be that during boosting of a discharged 12volt system, the low voltage H-bridge must turn on thus charging the HV pack which in turn precharges the HV bus enabling MG1 and it's inverter to start the engine. Though it does sound dumb that any drain on the 12volt will cause a domino effect to the loss of the HV battery as well. This is a repeat of the old adage "computers are dumber than people but smarter than programmers" ! And then you have to hit the START switch to shutdown properly. Now who else in their right mind would expect you to do a thing like that. Alright, who else besides Bill Gates then ? T2 |
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