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Technical requirements to install Intelligent Parking Assist ( IPA )

Discussion in 'Gen II Prius Technical Discussion' started by mandrei83, Jun 24, 2009.

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  1. mandrei83

    mandrei83 Member

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    Hello,

    I want to ask someone advised, which are the technical requirements to install the IPA system on my car? I have an Prius Executive (EU version) with full navigation, voice commands and JBL audio system - I've told you what I have, in order to make an idea/comparison with the model from US.

    I need also to procure a rear camera and I'm wondering if Prius >2006 has as standard all the required cabling - the cables between MFD to rear camera (and I've opened a topic http://priuschat.com/forums/gen-ii-...-instal-original-toyota-rear-view-camera.html) and which components are needed to install IPA. Probably an ECU for IPA (which is his name?) and a motor on the steering wheel's axle. This has a connection with EPS (Electrical Power Steering) system?

    EPS and ECU for IPA are the same things?:confused:
    Also, if someone knows to respond to the other topics opened by me, I would appreciate!

    Andrei
  2. mandrei83

    mandrei83 Member

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    No one.. nothing? :confused:
  3. Tideland Prius

    Tideland Prius Moderator of the North Staff Member

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    Maybe no one knows? I sure don't. Have you taken a look at the electrical systems? Maybe that'll give you some hints.
  4. David Beale

    David Beale Senior Member

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    I don't know either but in my experience you won't find the wires in the car unless the option was installed at the factory. That's the way with Japanese cars.
  5. mandrei83

    mandrei83 Member

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    I'm not talking about the wires, but I want to know what components needs to be mounted on the car to have IPA on it. My car doesn't come neither with IPA and neither with rear view camera.

    I have few questions. I know for start that I'll need:
    -rear view camera - I've found it on eBay at some salvage/dismantling parks
    -an electrical motor, which to handle the rotation of the steering wheel (does exist already in non-IPA versions, or should be mounted separately?)
    -possible an ECU for this. Which ECU or computer calculates the trajectory of the car? I think that the MFD (main unit) doesn't have this functions inside and cannot do this calculations

    Does anyone have an idea about what it's required and how it's working this IPA?

    Unfortunately my Toyota dealer looked weird and me and they didn't know what to respond to me. Prius doesn't come in Romania neither with navigation, has only JBL audio system..

    Andrei
  6. TheForce

    TheForce Ron Paul 2012

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    I think you will need those parking sensors in the bumper. You really need to find a manual with the IPA stuff in it to find out what all it needs. I had a short subsctription to a french version of the TIS site when I was looking for part numbers for the IPA switch. I'll have to dig it up and give you the link. It was like $20 for 24h worth of access. The only issue was that they did not have a billing location for the US so I just put all my stuff down that I could and selected a location over there. They figured it out about two months later and wrote USA on the envolope. :)
  7. mandrei83

    mandrei83 Member

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    I would appreciate if you can find that link.. Anyway, it's not http://techinfo.toyota.com/ the site you are talking about? There is a subscription there, 15USD for 3 days..

    For the billing location to US, try to use www.bongous.com. You'll get an personal shopping assistant and they can forward any parcel wherever in Europe, if you buy from US. They can do even photos when before to forward your parcel. There is a live demo on their site, you can check yourself.. :)

    Hope that those informations helped you..
  8. TheForce

    TheForce Ron Paul 2012

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    The site was not a toyota.com site I dont think. When I get back home I will try to see if I book marked it. I know I had access to a backdoor for a few weeks on their site but they changed it and I could no longer get to it for free. I will also do some searching to see if I can find that link any sooner.
  9. mandrei83

    mandrei83 Member

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    OFF TOPIC: I recommend you to use Xmarks add-on if you use Firefox. You can have your Bookmarks wherever you'll go, and the synchronization is made manually or automatically, depends by your decision.

    This allows me to be more portable whenever I not use my home computer. The site is Xmarks | Bookmark-Powered Web Discovery, you can administrate your account online with drag&drop options.

    I'll wait for your links..:)
  10. TheForce

    TheForce Ron Paul 2012

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    No FF at work. :mad: I have to put up with IE 7 crashing 1-3 times a day.
  11. TheForce

    TheForce Ron Paul 2012

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    I think this is it.

    Toyota Service Information

    Its under the repair tab

    You will want the subscription and not the book or CD unless you want a hard copy. I'm pretty sure this is what you need. It looks like the site I went to before and it should have IPA information. Hope you cand find what your need form this site.

    [edit]

    found it on the left under subscriptions. you can go as little as €3 for an hour. What ever that is in US. I'm too lazy to got do the conversion.
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  12. mandrei83

    mandrei83 Member

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    I have a solution for you: download Mozilla Firefox Portable from Mozilla Firefox, Portable Edition | PortableApps.com - Portable software for USB drives. Now you'll have MF at work, it doesn't require installer.:cool:

    I have the same issue at work, but I've made myself an USB stick with portable applications and this solved my problem. :cheer2:

    Use Mozilla FF, leave that damn IE, it's a real crap. IE is good to use only with complex ActiveX controlls, complex scripts and when some MS .NET builded sites don't work in Mozilla.
  13. mandrei83

    mandrei83 Member

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    LOL, I've found a lot of useful information there. Even how to install different accessories for Prius.

    Thanks a lot, this is a very useful information. I'll try to check next days what I can get for free there..:D Probably I'll find something for IPA also..

    I'll let you all know if I'll find something and I'll post here the documents in attachment.
  14. TheForce

    TheForce Ron Paul 2012

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    So you did not go into the subscriptions then?
  15. mandrei83

    mandrei83 Member

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    For accessories, press Repair => Accessory Installation Manuals and you'll find this list:

    Audio LHD
    08601-00932 Installation Manual

    Audio RHD
    08601-00932 Installation Manual

    Conversion Kit N1 TDK 24/08/2007
    PZ449-G3E30-00 Installation Manual
    Front Fog Lamp Kit LHD
    PZ457-G0512-00 Installation Manual Front Fog Lamp Kit RHD
    PZ457-G0513-00 Installation Manual I-pod interface adapter LHD and RHD
    PZ473-00261-*0 Installation Manual Kayak Holder
    PZ4AF-SN860-00 Installation Manual

    Luxury Platform
    PZ4AF-SF835-00 Installation Manual

    Platform
    PZ4AF-AT932-00 Installation Manual

    Ski Holder
    PZ4AF-MK815-00 Installation Manual

    Ski Holder
    PZ4AF-ZM083-00 Installation Manual

    SWC Bluetooth Hands Free System LHD
    PZ409-00293-00 Installation Manual

    TPA 400
    PZ464-T0421-00 Installation Manual

    Probably the rest of the service manuals and installation things require subscription. IPA it's not an accessory (so you'll not find it here), it's basically a part of the Prius electronics controlling systems.
  16. TheForce

    TheForce Ron Paul 2012

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    Thats nice they let you have access to the accessorys for free.
  17. RobH

    RobH Senior Member

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    US versions of 2004-2009 Prius came with everything required for EV mode except the switch and the wire to the ECU. IPA may be similar, or it may be different software. We didn't get either EV or IPA for our versions.

    There are at least 2 different MFDs, low resolution and high. As far as I know, all 2006+ Prius in the US have the high resolution MFD, along with the appropriate camera. I don't know if IPA requires the high resolution system or not. When was IPA introduced?

    The first thing I'd look for is a wiring diagram that shows the IPA switch. If the wire goes to a pin that is unused on your car, I'd try adding a pin like the EV mods.

    The electric motor that drives the steering system is simply the power steering system. You already have it.

    I doubt that the radio is involved with IPA. The MFD just communicates with the radio for control purposes, but it doesn't implement any video or use any of the buttons on the MFD.

    Interesting project. I'd like to have IPA as well.
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  18. mandrei83

    mandrei83 Member

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    My dear friends, I've found all the details needed to install Intelligent Parking Assist on my car. It seems that I will need the below components:


    Camera: - you can find one very easy in a salvage yard
    1x Camera: 8679047020 (130-300USD)
    2x Grommet Screw: 9018906227
    2x Screw w/washer YN91: 9015960500

    Parking Assist ECU:
    1x Wire, Parking Assist: 8679747020
    1x Computer, Parking Assist ECU: 8679247050 (80-150USD)
    3x Bolt: 9011908826
    2x Clip: 9046705112C0
    1x Cover, Audio Rack, Back Guide Monitor: 8618347020

    Height Control Sensor + assy:
    1x Sensor sub-assy, Height Control: 90980-11860 (below 50USD)
    2x Bolt, Flange: 91671A0614
    2x Direct J890: 9017906178
    1x Bracket, sensor connecting, rear, back guide: 4896647010

    IPA Switch:
    1x IPA Switch (I21): 90980-12550 (below 20USD)

    Connectors:
    1x Junction connector (J20): 90980-11661
    1x JUnction connector (J24): 90980-10803 ??
    1x Connector (I19): 90980-12169
    1x COnnector (I20): 90980-10997
    1x Connector (I22): 90980-12593
    1x Connector (123): 90980-12596

    Those are the components that any Toyota dealer will put in your car, in case that you want to install this Intelligent Parking Assist.
    You can do a DIY IPA with ease, just to have time and knowledge the height sensor. That is the most difficult part and it requires intervention below the car.

    I'll buy in next month the components, I've found them and they cost less than 300USD. Why not to have an option on your car which cost minimum 2500USD with only 300?:rockon:

    Here are what each part involved in the Intelligent Parking System does:


    Television Camera
    Mounted on the back door to transmit the rear view of the vehicle to the intelligent parking assist ECU. It's a color video camera that uses a CCD (Charge Coupled Device) and a wide-angle lens.

    Intelligent Parking Assist ECU:
    Receives vehicle condition signals from various ECUs, makes guidelines based on calculations, combines the guidelines with video from the back monitor camera, and outputs the video with guidelines to the multi-display. Also, control signals are output to each ECU and the intelligent parking assist system's various controls are performed.

    Multi-display:
    Receives video signals containing a composite of the rear view of the vehicle and the parking assist guideline signals from the intelligent parking assist ECU, and displays them on the display panel.

    Navigation ECU:
    -Uses the yaw rate detected by the gyro sensor that is built into the navigation ECU to transmit the movement of the vehicle to the intelligent parking assist ECU.
    -Transmits the status of the language settings, which is selected by the language selector of the navigation screen display, to the intelligent parking assist ECU.

    Steering Angle Sensor:
    Detects the angle of the steering wheel and sends the resulting signals to the intelligent parking assist ECU through CAN communication.

    Hybrid Vehicle Control ECU:
    -Transmits the shift position signal received from the park/neutral position switch to the intelligent parking assist ECU, via the CAN communication.

    Park/Neutral Position Switch:
    Transmits a received shift position signal to the hybrid vehicle control ECU.

    Skid Control ECU:
    Sends stop switch, parking switch, vehicle speed, driving distance, and other vehicle condition signals to the intelligent parking assist ECU. Also receives intelligent parking assist failure signals and buzzer activation signals, and sounds the buzzer.

    Power Steering ECU
    Sends EPS failure, intervention steering, and other related vehicle condition signals to the intelligent parking assist ECU. Also, based on intelligent parking assist control signals and steering-related signals, performs steering control.

    Intelligent Parking Assist Main Switch

    Turns the intelligent parking assist system on and off when pressed. Also, informs driver of system on/off status (system on: indicator illuminated; system off: indicator off), and system operation status.

    Rear Height Control Sensor
    Sends changes in vehicle height to the intelligent parking assist ECU.

    Front Speaker (Driver side)
    Receives audio signals from the intelligent parking assist ECU, and outputs voice guidance according to the mode.


    Good luck, I'll keep you in touch regarding my progresses!:) Also, a friend of mine wants to install IPA on his car, it has a Prius from 2004. The P/N of the components are the same, and moreover, some of the components are already in the car (see block diagram):

    -Power Steering ECU
    -Power Steering motor
    -Steering Angle Sensor (am I right, is.. or isn't?)
    -Torque sensor
    -Skid Control ECU

    Attached Files:

  19. Tideland Prius

    Tideland Prius Moderator of the North Staff Member

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    Nice. Let us know how it works out! you'll be the first to install an IPA function to a Prius!
  20. mandrei83

    mandrei83 Member

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    Are you sure about that?:D IPA cannot be mounted separately, as a package in US, am I right?

    For example, in Europe (France, Germany) only SOL package comes with navigation, but on Executive (full version package) cannot be mounted commercially.

    I'm not sure if it is a IPA package separately, without buying SOL package+navigation.. Anyway, for Prius owners who want to do themselves the conversion, this is how to do it..:rockon: Buy those parts from Toyota and install them in an authorized service. The most difficult thing is the installation of height sensor (found only in cars which have HID, so no longer have to buy one) and to calibrate the IPA parking ECU.

    I'm still waiting for a quotation from my Toyota dealer, to see how much they cost the components. Probably I will cancel this operation, if I will not find a bargain IPA ECU on a Prius salvage on eBay.
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