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Steering wheel controls return different value when headlights on. PHV Gen1

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by April Staines, Apr 10, 2022.

  1. April Staines

    April Staines New Member

    Joined:
    Mar 23, 2022
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    Location:
    Australia
    Vehicle:
    2014 Prius Plug-in
    Model:
    N/A
    We have a G-class 2014 Plugin Prius PHV. It was recently imported into Australia from Japan. It came with every feature inc leather trim and SatNav but the SatNav and radio do not work in Australia so we replaced it with a Sony xav-ax5500 head unit with Android Auto. The installer had some trouble hooking it up and said that non of the wiring looms where standard, anyway he got it all to work but we now have an issue where the mapping from the buttons on the streering wheel to the headunit change when the lights are on or off. They are consistent, but you can either map them with the lights on or off and not both. So it means we drive with the parkers if we want to use the steering wheel controls.

    Has anyone else experienced this issue?

    I have heard that there may be a way to change settings on the CAN BUS via dip switches to bring the two into alignment? Any ideas?
     
    #1 April Staines, Apr 10, 2022
  2. vvillovv

    vvillovv Senior Member

    Joined:
    Mar 19, 2013
    3,911
    1,338
    1
    Location:
    NY
    Vehicle:
    2017 Prius Prime
    Model:
    Prime Plus
    Sorry, I have a standard US model, but I've just recently read the G-sport is customized to the max with racing accessories. Which is probably why there were issues installing the new sony head unit.

    Here's a reference to one of the available G sport suspension mods here at priuschat.
    Project: Angry Panda | Page 8 | PriusChat

    And a couple of links to help you understand what is different about the G-sport.
    https://en.wikipedia.org/wiki/Toyota_Gazoo_Racing
    https://www.careka.lk/vehicle/toyota-prius-gsports
     
    #2 vvillovv, Apr 10, 2022
  3. QuantumFireball

    QuantumFireball Active Member

    Joined:
    Mar 22, 2016
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    Location:
    Ireland
    Vehicle:
    2012 Prius Plug-in
    I assume they mean the "G" which is the standard high trim level in Japan, not the GR Sports "G's", which was not offered on the Prius PHV.
     
    #3 QuantumFireball, Apr 12, 2022
    vvillovv likes this.
  4. vvillovv

    vvillovv Senior Member

    Joined:
    Mar 19, 2013
    3,911
    1,338
    1
    Location:
    NY
    Vehicle:
    2017 Prius Prime
    Model:
    Prime Plus
    here's a link to a
    2014 Toyota Prius PHV G | Coventry Cars

    at a glance for reference and hints for more info on your models trim level
    2014 Toyota Prius PHV G
    location is NZ
    Rare PHV model with 8 SRS airbags, cruise and stability control, heated front seats, heated steering wheel, partial leather trim

    Not a lot of info about what is different in the trim level, but should be a good start at narrowing down what all is diff with your Prius.
     
    #4 vvillovv, Apr 12, 2022
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