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Showing content with the highest reputation on 03/28/2013 in all areas

  1. I recently joined the group of all satisfied Lexus owners. I purchased a certified pre-owned 2004 LS430. Wonderful car with outdated maps in the Navigation system. I purchased the updated DVD frrom my local Lexus dealer parts department. I just told them which model and tear and $275.00 later, I had my update. The only problem was that I had no idea how to install it. I quickly went to the internet where all answers in life are found. Much to my suprise, there was not a step by step instruction for this procedure. I thought this would be a common thing and there would plenty of help. NOT. So I decided to figure it out and write my own unstructions and help others trying to do the same. (I could not figure out the picture and links in the forums yet. a bit techy for me) Changing the Navigation DVD in a 2004 Lexus LS 430 I searched the internet for the “how to” steps for changing the DVD based Navigation system in my Lexus LS430 and could not find a step by step. So I decided to venture out and write one myself. I hope you find this useful. (This Step-by-Step instruction is written for a 2004 Lexus LS430. I cannot say that it may not apply to other years, makes, or models of Lexus Vehicles.) The Right DVD It is imperative the you obtain the correct replacement DVD for your particular Lexus model. There are plenty of articles on this so I won’t belabor it in this article. The easiest way to just go is asking your Lexus dealer parts department for the updated DVD for the navigation system that matches your year and model. The 2004 LS430 is a “GEN4” system. The current version as of this article was 2007 version 1. My old version was 2004 version 2. Location The DVD based navigation system is located in the trunk under the mat on the passenger side of the vehicle. It is securely mounted under the mat and deck. It is about the size and shape of a self enclosed after-market radio. It sole purpose is to provide the Navigation information for the vehicle. STEP 1.[/b] Remove the trunk mat completely from the vehicle and set aside. Lift the decking using the handle exposing the spare tire. Completely remove from the vehicle and set aside. STEP 2 Remove the deck mounting tack using a small bladed screwdriver and lift up. Set aside for replacement. Remove the side decking exposing the DVD unit. STEP 3 The DVD unit is mounted securely in place using 2 bolts on either side. Both of these must be removed using an 8mm socket or a Philips screwdriver. Set the aside for re-installation. (Be careful not to drop them down into the cavities surrounding the unit. It looks dark down there and you might not get them back) STEP 4.[/b] Carefully lift the front edge of the DVD unit up from its holder about 1”. DO NOT REMOVE THE UNIT COMPLETELY. STEP 5 START THE VEHICLE. It must be running to provide power to the unit. Remove the old DVD from the unit using the OPEN button by pushing in and sliding to the left. This will reject the old DVD currently installed in the unit. The Navigation screen will display a message indicating there is not disk installed. Insert the new updated DVD into the slot on the unit. Slide the OPEN button back to the right into its original position. The navigation screen will display a message indicating the system is loading the new data. STEP 6 • Carefully push the unit back down in its mount. Replace the 2 bolts • Replace the side deck and mounting tack • Replace the spare tire deck and carpet mat.
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  2. Firstly I began by replacing the coolant temp sensor. It still ran after this but still stalled when cold. Got given a replacement IAC valve (with a different part number but was assured it would be okay) so I installed it. The car would not start with the new IAC valve in and just clicked like a flat battery but I had loads if juice and even tried jump starting of another vehicle - no luck.>>> can you start it with a light foot on the gas pedal? The IAC just allows some air to pass throttle plate to idle the engine. You can simulate this with a light pressing of the pedal.<<<< Replaced the IAC valve with the original one. Tried to start but still clicked like flat battery. >>>> you have either a dead or weak battery or loose/corroded connections to it. You need to fix this under any scenario. You shouldn’t need to jump start it. I would get this resolved and start knocking off issues rather than dealing with them all concurrently<<<<< I hooked it up to another car and managed to get it to jump start. Took it for a spin around the block, parked back home and then it wouldn't turn off. I removed the coil pack to kill it.>>>>>why did you do this?!?!?! Couldn’t you just turn the key off? Seems like you broke a connection doing this or have a loose/dirty wire/connection. I’d get some contact cleaner spray and clean up connections and retry. Back off on the MacGyver methods and get a little more organized<<<<< Since putting the coil pack back on it will not start. I bought a new IAC valve (with the correct part number) and installed it. Car will still not start>>>>The IAC isn’t the reason you aren’t starting. That is a red herring. IAC modulated idle speed. Try the light pedal approach and get it running before you dive into the IAC issue<<<<< I checked the codes and came back with a 51 - switch condition signal but don't really think this is the cause of the issue. Where to now? I thought perhaps that because I put the incorrect IAC valve in that I possibly have done something to the ECU? Can this happen >>>>>>>>>>>not likely, I would park this theory to the side for now<<<<<<<<<<<< My next best guess is to replace the ECU but I would like to know if anyone has better suggestions to try first? >>>>>>>>>>>bad guess. Try the items above first. Fix battery, get engine running by sorting out the coil pack problem, then go after IAC issue. ECU is expensive and you haven’t done any diagnosis that suggests it’s a good candidate to change out.No need to drop a lot of $$$ on a hunch. Be patient and methodical. Report back once car cranking reliably and if engine starts or doesn’t with a light foot. We can take it from there. My guess is you aren’t getting spark on at least 4 cylinders due to your coil unplugging mishap.<<<<<< Any help is greatly appreciated. You may have a fuel problem too but you have to get it back to at least starting for a moment before jumping into that one.
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  3. Stebbi - I'm a synthetic oil nut, worked on engines for 50 years (career was in technology though), and been using nothing but synthetics since 1977 in all my vehicles & newer motorcycles (NOT in my classic old Triumph's). Started with Mobil 1, but last 5 years use only Amsoil. Clearly proven to be the best of the synthetics. Use it and you don't need any questionable additives. And you'll get 300k trouble-free miles out of your Lexus engine..... IMHO. gatornapper '09 GS350 AWD w/Nav, silver '03 GS300 (sold to realtor daughter), silver '08 Porsche Cayman (just traded, looking for an '09 S model) '09 Harley "Screamin' Eagle" CVO Road Glide FLTRSE3, '07 Harley Wide Glide FXDWG, Stage II, '71 Triumph Trophy 500 T100C, '72 Triumph Bonneville T120V, '73 Triumph Trident T150V
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