I read the Side mirrors with signal lights? and Auto-folding mirrors and turn indicators part numbers thread which got me wondering if it is possible to add the PVM with OEM parts. Anyone have any insights into if this is possible, what the difficulty level of doing this would be and what it might cost? Thanks!
I am not sure, it does use another camera in the back. In all honesty it is not as great as it sounds and even though I have it I almost never use it. It is like sitting too close to the TV and the shifting focus to a tv screen and the road start to give a headache. Also as cars come on on your sides, the video is distorted so you keep thinking someone is going to ram into you. The positive is if you have stuff in the car obstructing the rear, it allows total bypass. For me, the real draw of the package was the 360 camera.
PVM=360 You're describing the digital rearview mirror option. I really don't think PVM is something you can add after the fact. A camera in each mirror, I think an extra camera in the grille and hatch(that's also used by the DRM), maybe one or two other cameras or sensors. And then all the different wiring harnesses for the cameras. So much wiring. And then to reprogram the car to accept all the PVM parts and activate all the modes. I'm not saying it's impossible, just that I wouldn't want to try.
ooops yes you are right. Yeah there are cameras coming out the wazoo on that system edit: AND there is an extra button next to the steering wheel to activate the system when you are at 8mph or less, as well as change the angle. It does not just come on when the prox sensors detect something.
Given the PVM includes the advanced parking option, would it not need an processing unit or something like that? I imagine the whole system like some extra package added by a supplier - not some hw already fully integrate in the standard system... the only reuse seem to be the existing USS edit: just wild guesswork though
I've only dug into part of the system during my side mirror adventures, but I think it would be practically impossible to add PVM to a car that doesn't have it. And I mean that literally. I suspect it's theoretically possible, but the cost and difficulty would be so high as to make it impractical. As much as the parts($$$$), it's the wiring. There are so many wiring harnesses you'd have to replace or alter to add PVM. Replacing them would be expensive because Toyota OEM parts are so costly, altering them correctly would be so difficult because of their locations and how they're routed, and altering them incorrectly is just a recipe for your vehicle ending up in an episode of "Just Rolled In - Customer States". And then there's the software issue. Even if you manage to add/replace all the parts, will the car's software be able to "see" it? And if not, is there any way to change that? And even if there is, would a person even be able to find a Toyota dealership willing to dig into TechStream to do it? I get a headache just thinking about all the hurdles.
I spent a considerable amount of time looking into this and decided against trying to proceed. Here are some of the details of what I found. Cameras-you would need to add 3 cameras one on each side mirror and one in the front. The front camera costs $147.39 Side Mirrors-Likely have to replace the both side mirrors to accommodate cameras. If I understand Hammersmith correctly it sounds like you are better of replacing whole mirror assembly than rebuilding the mirrors to add some components like cameras. If I am understanding this toyota parts site it looks like it costs $777.86 for one side mirror including cameras ECU- part number 86792-47460 cost about $650 and gets mounted under the passenger front seat. Activation by Techstream- requires Mongoose OBD cable to PC range from $540 to $700 on amazon plus a subscription to TIS which cost $70 for 2 days Tools for crimping terminals to wires to connect harnesses- Rennsteig Crimp Die Set + Rennsteig Crimp System Tool about $450 From looking at techstream europe it looks like the wiring from the side mirrors would be pretty easy to access. For the front camera you would have to run a wire from the Toyota emblem through the firewall to the cabin. Assuming I have the parts right without adding wiring connectors that would either have to be added or changed and the new wire the cost assuming you don't have either the OBD cable or the wire terminal tools is about $3500. After driving my Prius for several months I have come to the conclusion that the panoramic view monitor would likely not add all that much benefit considering the small size of the Prius.
I'm wondering if it would be possible to install an aftermarket 360-degree-view system and tie it into the factory screen. Basically, have the aftermarket system use the video wiring that is currently used by the rearview camera (hoping it's just analog composite video, not something digital). Those systems can be had for around 200 USD, give or take, and come with a box that ties all four cameras together and creates a virtual surround view that is output via composite analog video signals to a monitor. One caveat: Would rear cross-traffic alerts still work (i.e. is that using the camera or other sensors for detection)?
Pretty sure it is digital. Spent some time looking into the cameras and video signals that the cameras on the Prius utilize. From the wiring diagrams I picked up on 2 key specifications GVIF and LVDS. The first GVIF is an acronym Gigabit Video Interface which is a standard for transmitting video signals developed by Sony and the second LVDS is an acronym for Low Voltage Differential Signal the method GVIF utilizes for transmitting the video. There are after market panoramic view monitors available like this one from Tadi Brothers. If I remember correctly the Tadi Brothers uses an analog video signal. As far as being able to use an aftermarket panoramic view monitor on the built in monitor I think this would be very unlikely or very difficult to do. I am thinking about the software on the current system. There is no option for selecting an external video input. In addition if I am understanding the manual- guides on Toyota-tech.eu you would need to have a connection to techstream to change some of these settings related to the main screen and the various components and ECUs it is connected to.
@otatrant Thanks for those details. The reason I thought it may be analog is because the quality of the rearview camera in my 2023 Prius Prime is pretty bad -- looks very much just SD quality. Hence I thought (almost hoped) it was analog and a good approach to tying in an aftermarket 360 degree system into the factory screen.
