Land Rover Discovery 3 Multimedia Installation Manual
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Extending the multimedia capabilities of the Discovery III A www.disco3.co.uk resource Version 1.1 © Copyright discoBizz Land Rover Discovery 3 An installation guide to add a GVIF interface, a rear view camera and a DVD player to your Discovery III.
A www.disco3.co.uk resource Page 1 Disclaimer: this guide is for information and illustration ONLY. Any work you do on your car, either explicitly or implicitly following this guide, is at your own risk and with the understanding the steps followed below have worked for me, in my car, at my own risk and given my own knowledge of the matter and with my own disregard to potential co nsequences on the vehicle’s warranty. Neither the author, the website WWW.DISCO3.CO.UK, Martin Lewis or and other website forum members mentioned in this document will be held liable for any warranty consequences or any damage of any severity caused on your vehicle as a result of you choosing to follow this fictional procedure. Any trademarks, copy right or references to words or actions of individuals other than the author, are hereby acknowledged to be the property of their respective owners. The author is simply an enthusiast, with no training at all in electrical or mechanical engineering and as such some of the methods and procedures used may be far from best practice in each respective field. N.B. The modifications/additions in this document can be done separately and in varying ways/locations. I have chosen to put everything together as I did most of the work in one go. My vehicle is an HSE model, which means it was already fitted with the factory SatNav screen and the auxiliary au dio input in th e rear of the centre console, the wires of which I taped into to feed the head unit with the audio output from my AV sources. Other spec cars may have different wiring looms and/or at different locations. I have no affiliation to any company or bran d nam es I may mention in the course of this document in the context of describing the parts and tools I used on my own vehicle. Changelog: v.1.0 – Initial release v.1.1 – Added cover page – Added introductory commentary – Added alternative power options for reversing camera (Ch. I, Part II) – Add e d Ch.II – Installing a DVD player
A www.disco3.co.uk resource Page 2 Contents Chapter I ‐ GVIF and rear camera installation ........................................................................\ ....................... 3 Part I – Installing the GVIF ........................................................................\ ................................................. 4 Part II – Installing the Reversing Camera ........................................................................\ ......................... 13 Part III – Putting everything together and operating ........................................................................\ ...... 24 Chapter II – DVD player installation ........................................................................\ .................................... 25 Part I – Removing the upper glovebox ........................................................................\ ............................ 26 Part II – Preparing the cabl ing ........................................................................\ ......................................... 27
A www.disco3.co.uk resource Page 3 Chapter I ‐ GVIF and rear camera installation Why have a GVIF Interface? Most people buy the GVIF ( G igabit V ideo I nter Face) unit as a solution to the lack of a reversing camera on the Discovery III. While there is evidence Land Rover had thought of the possibility of fitting a reversing camera to the Discovery III, it seems they never got around to doing so. The GVIF allows for a reversing ca mera feed to be tri ggered automatically by selecting reverse gear and the output displayed on the SatNav screen. Having an additional three input sources also means you can display pretty much anything you wish which has a composite RC A video output to the SatNav screen. People have used it for TVs, DVDs, Car Computers, iPod videos, the possibilities are endless. You also get the benefit of additional composite video and audio outputs, which you can then feed additional monitors like headrest screens, for example. This chapter covers the i n stallation of the GVIF unit itself and the reversing camera. How much will it cost? There are a number of suppliers online with varying prices and currencies, but at the time of writing this, you should expect to pay anything between GBP 250 and GBP 350 including delivery and tax es for a bas ic unit. There is at least one more elaborate unit in the market which goes a step further by adding a button and some menus on the home screen of the Discovery’s SatNav display costing around GBP 500 (not covered in this guide). Then depending on what you choose to use it for, approximatel y GBP 25 to GBP 100 for a reversing camera and whatever the cost of your other input sources is. You should factor in some RCA cabling, a few bits from an electrical shop (about GBP 20‐30 including the cables) and the cost of your ti me, which shouldn’ t be more than 3 ‐5 hours for the GVIF and camera depending on fitting location and how quick you are with threading wires. Any other things to know before proceeding? Yes. There are several versions of GVIF interfaces out there at the moment, this guide was written based on a version 6.2 unit. Variations in spec do exist and I would recommend you at least read the manual supplied with your unit or from the site your purchased it from, to at least get an idea of the features your unit supports. You should also know this unit is not Land Rover specific from most suppli er s and as such you may need to purchase an additional Land Rover cable from them. The unit used in this guide had such a cable already included in the package. There are two parts to this mod, installing and setting up the GVIF and fi tti ng the rear view camera. I will describe them in this order, though you could start with the camera instead.
A www.disco3.co.uk resource Page 4 Part I – Installing the GVIF Tools required: cable stripper, crimping tool, pliers, set of torx screwdrivers (T15, T20 and T30 at least), Phillips screwdriver set, soldering iron, electrical tape, heatshrinking tube and about 1½ hours for this part. It is always good if a multimeter is to hand, at least for continuity testing. Parts required: GVIF interf ace, 20cm tw in 2mm cable (for extending the units’ power cable), 2x Lucar connectors (set of male and female), 2x snaplock connectors (blue which fit 1.1 ‐2.6mm cables), strong double sided tape or Velcro, cable ties. Oh, and a few bandaids for when hands are cut while threading wires! As I m entioned, th e contents of the box vary and I didn’t take a picture of mine when I opened everything, but broadly this is what you get (picture from the manual): There’s a loom with all the AV inputs and outputs (bottom left on the picture), a loom with the fused power source and CAN bu s conne ctions (bare wires, top left, we’ll only use the grey reverse gear sensing one), a cable for the RGB input (unused in the D3, bare wires, short white cable middle left), a source switching button and cable (black, middle left), an infrared receiver terminal and cable (top right, you can omit pro p er fitment if you are only going to set everything up once), an infrared remote control (bottom – used to access the GVIF settings, you can omit full time usage if you are only going to set everything up once), and the GVIF cable itself (bo tto m right). Everything is clearly labelled, and there are no two same connectors so very little chance of missing what goes where. The first step is to make an extension for the power cable. Though one could use the loom that provides power to the LR SatNav DVD unit, I have opted to tap into the power sockets th e car alrea dy has. As I was also installing headrest screens at the time, I opted to tap into the front driver’s side power socket, but the method (and extension) can equally be used with the power socket at the rear of the cen tre console.
A www.disco3.co.uk resource Page 5 I tinned the ends of the GVIF power cable and soldered & crimped a couple of male spade connectors so I could remove the unit later if needed easily. Similarly, I crimped female spade connectors to one end of the extension and left the other end untouched. This will be stripped by th e snaplock conne ctor when fully closed/locked. (from bare wires to part of the loom) In my installation, I used the extension provided with the headrest screens to snaplock the other end to, but you can use the cables of the connector that supplies power to the car sockets directly. For the rear power socket, lock the +ve to the purple cable and the –ve to the black cable . For the front left socket, the +ve is the pink cable whereas for the right the +ve is the green/white coloured cable. (front right power connector) (rear console power connector – GVIF temporarily plugged in for testing) Before going to the car for fitting, it is recommended to let it go completely to “sleep”, by engaging the EPB (electronic parking brake), removing the key (the doors can be left unlocked, but I always leave the driver’s window fully open as well for good measure) and waiting for the parking indicator in the instrume nt cl uster to go off.
A www.disco3.co.uk resource Page 6 At this point, roll up your sleeves, have a hot drink of your choice, and read through the next paragraphs on how to remove the panels of the consoles in order to reach the car’s power sockets. Whether you chose the front or rear power socket, you will definitely need to re move the ce ntre console upper trims. It’s not difficult, just take your time. First, grab the gearlever (this is for an auto box) firmly with both hands while in park (P), and pull vertically upwards. It is secured very stiffly and will give way suddenly so do not keep your face over it as injury ma y occur (a few forum me mbers still have facial bruises from looking straight down at it when removing LOL). Store the lever somewhere for now. Remove the rubber mat from the area under and between the power sockets and the cup holder inserts. Put those to one side as well. Next, remove the sunglasses cubby by pulling it out (it comes off easily) and the plastic cover behind the EPB lever (again, you can easily prise it up with your fingers). Unscrew the T15 screw just in front of the EPB and store the lot somewhere secur ely. If you can reach at this stage u nplug the green EPB connector as well (don’t worry if you can’t we’ll do it later). (ready to lift)
A www.disco3.co.uk resource Page 7 Now move to the back seat and slide both front seats all the way forward. Open the centre console lid and remove the top tray. Close the lid again and locate the two T30 screws at its rear (one each side). Undo these and prise the silver cover outwards (I did mine with my fingers, you may need the assistance of a plastic knife/spoon as they are quite stiff too). If you have the telephone connector installed in the lid, open it all the way back and undo the four screws that secure it to the lid and drop it gently in the centr e cubby box (or coolbox if you have one). Lift the lid to 90 degrees until the locating gaps expose the plastic lugs that secure it to the swivel mechanism (this is where the T30 screws we removed attach). Then lift the lid upwards and put it aside. (centre console lid removal) Back to the front seats, slide it back so you can sit comfortably and grab the black plastic trim from below the cup holders, lifting up until you feel the two front clips that hold it give. Don’t pull it any higher yet. Now grab the same trim piece as far back as you can (ideally just as it starts til t ing upwards) from underneath and pull upwards until the four rear clips give. Finally, lift the middle section to undo the two middle clips if they’ve not come loose yet. You can now lift the entire piece about 10‐15cm until the conne ctor cables won’t allow any more lift. Disconnect the EPB green connector by pinching top and bottom and pulling backwards, disconnect the Terrain Response connector and the Ride Height connector and you can lift the piece completely. Put it to one side as well.
A www.disco3.co.uk resource Page 8 (Front clip under cupholder) (rear lower clip) (rear upper clip and screw location) (middle clip) (lift gently...) (...to about here and undo the connectors) (tip: if you have lost any clips when (coolbox power connector...) (...disconnected) removing the facia H ‐panel, it is very likely you will find them here! – I found both mine!) At the back of the area you have exposed up just below the rear upper clip (see pic above), locate the two screws (one each side) that secure the coolbox/cubby box and undo them. Disconnect the power connector to the coolbox (if fitted). Then grab the cubby box/ coolbox and pull up wards HARD . Like the gearlever, it will give suddenly due to stiff clips at the bottom, don’t keep your head directly above it!!! Be careful not to pull it all the way out yet if you have the phone cradle, there’s one more connector that needs to be undone but it’ s only accessible when the coolbox is half way out. No pictures from that, sorry, but if you follow the phone cradle cable you will find it half way down the coolbox. Whether you’re using the front or rear power sockets, you will now have access to both. If you go for the rear one, you may find it easi e r to pull the panel with the power socket out by gently prising it (see bottom picture on page 3) and disconnect the power connector before proceeding. Next, lift the passenger seat (or driver seat for LHD cars) all the way up and slide it fully forw ard. This will provide good access to the area where the GVIF will be installed. We first need to thread the GVIF’s power cable under the seat rails and up through the only available opening in the centre console. I found it easier to thread my exte nsion from inside th e – now empty – centre console area, fish it with my fingers from underneath the external side of the console and plug in the GVIF connectors I made. I then gently pulled the excess back in the centre console, feeding the cable with my other hand from the outside. The opening you need to use is the bottom left of two co lumns of square “vents” on th e passenger side of the console:
A www.disco3.co.uk resource Page 9 (pic showing the GVIF power cable threaded through the hole, ignore the white connector and loose red/black cable...) As I mentioned, I chose to tap into the front power sockets and threaded the wiring accordingly. For reference, here’s what AlanG’s looks like who went with the rear power socket: