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Join The Toyota Alphard & Vellfire Club

Our community has been built by enthusiasts, for enthusiasts, and proudly run by Alphard owners' for over 7 years. As an independent, non-official club, everything you’ll find here, advice, support, and opinions, comes directly from members with genuine Alphard & Vellfire ownership experience. By being a member you can gain access to active community forums, videos, news, events and more...

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Latest Alphard / Vellfire posts

  1. Hi, the power feed comes from the hybrid computer, the inverter decides when the pump should run, which is anything above 5 C water temp. The hybrid computer is behind the engine ECU which is behind the glove box hdam0430.pdf
  2. Best i got for you i'm afraid. You might need to run through google translate. hisat015.pdf hisat016.pdf
  3. I have a problem with the hybrid water coolant pump and it seems there is a dodgy wire or connection as only 2v arrives at the water pump. This causes the vehicle to overheat. Can someone share the wiring diagram?
  4. ABS

    george kydd posted a topic in Technical Data
    Hi does any one have a wiring diagram for ABS on a 2003 3ltr.Regards G.Kydd.
  5. From what I've read (ie no experience myself) the 10 series inverters tend to die because the IGBTs inside overheat and tend to cook themselves, which can be made worse by failing coolant pumps or lack of coolant changes. I'm not familiar enough with the codes to confirm if that's the case for yours. You can find videos of burnt out Prius inverter IGBTs to see what happens. I think the IGBTs inside are in theory replaceable, but Toyota no longer has them so you'd need to get some from a scrapped inverter. Or maybe there are alternatives that can be used (awkward, as they need to be in thermal contact with the cooling plate). I would look around locally for any hybrid specialists: if you have eg Prius taxis then they should exist, but you need someone with more electrical skill than just swapping modules.
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