Top 20 2007 Lexus RX 400h Hybrid - Page 5 Questions & Answers

https://www.modifiedlife.com/2000-lexus-es300-stereo-wiring-diagram/

One word 'dealership'. They can hook it up to a pressurized smoke machine and find where the leak is if there is one. There factory scan tool computer diagnostics is also far more informative. You cancelled the code and it came back? https://www.autocodes.com/p0451_lexus.html The fuel tank pressure sensor is mentioned in this short video. https://www.youtube.com/watch?v=Kj7MQbCh4UA and the second code P0453 https://www.engine-codes.com/p0453_lexus.html and videos on that one including the WD40 trick. https://www.google.com/search?q=Lexus+GX470+P0453 Faults like this are very frustrating. ..

That type of job is a job for the dealership. You need the $6,000 scan tool computer to program it all after fitting it. It is not a DIY at home job. Or if you want to cut costs, go to a local auto-electrician. On a GX-470, I wouldn't as they are so technology filled!

check child lock if only malfunctions from inside --if outside also then remove door panel and examine linkages and clips

Connect it up to a High Level Scan Tool and read the codes and live data. May be a bad connection on the ABS sensor or the brake wear sensor depending on the model.

Take it to the dealership. They will have a way to pull the catch by removing the underskirt protection panels and using a tool to pull it from down below, or even remove the two bolts using long socket set extensions and universal joints. https://www.lexuspartsnow.com/parts/lexus-lock-assy-hood~53510-33240.html ..

Try this https://www.vehiclehistory.com/questions/how-do-i-reset-the-lexus-key-fob-367170 https://www.google.com/search?q=lexus+is+220d+reset+key+fob If you have your vehicle serviced at the dealership, they will do it with their scan tool. https://www.google.com/search?q=lexus+is+220d+reset+key+fob .. ..

purchase a repair manual

Question edited for clarity Not easy as it is HID. It is not normally the bulb, but the transformer unit. Details in the link. Yes, it CAN be done without pulling the bumper, fender and entire headlight assembly. I just completed a HID bulb replacement on my 02 SC430. Took about two hours and included a copious amount of swearing. It is a PITB process that is largely done by braille. Sausage fingered individuals should not even try. The clearance is very small - just enough to get your hand into position. if you google search agains "sc430 headlight service manual" you will find a pdf of the headlight service procedure. I largely followed those instructions, but I have a few hints... 1. Do the passenger side first. Removing the air cleaner gives you some ability to see what you are doing. That lets you learn the process before you go do the driver side "blind". 2. The service manual did not mention a few wires that are present. The leads for the amber indicator light stretches tight across the HID moisture cap. You need to pull the amber indicator bulb assembly first. Fortunately, that is a simple twist and pull. Once the amber lamp was free, I disconnected its harness and set the bulb aside in a safe location. 2b. A pair of wires were physically attached to the HID cover. These make it extremely difficult to maneuver the cover, particularly when putting the cover back on. I ended up physically detaching those wires from the cover permanently. Made life a lot easier and will make replacing the HID bulbs simpler next time. 3. The HID bulb socket easily detaches. The wire spring bale is hinged and won't fly away when you get the two ends free. Those are freed with a squeeze and pull movement. You can do one side at a time. 4. Make certain the spring bale is swung out so it does not impeded placement of the new HID bulb. 5. Because you are doing most of the bulb insertion blind, it is difficult to avoid touching the quartz jacket to something. Practice with the old bulb first. Once in place, you gently rotate the bulb until its notches allow it to seat. You can feel that pretty easily. I used the "MAXLUX HID Xenon Bulb D2C (D2S/D2R) 5000K" bulbs obtained via amazon. Yes, that price is indeed for a PAIR of bulbs. I thought it was for a single bulb due to the low price and ended up with four bulbs. The new bulbs light up much brighter than my aging 02 HID bulbs. A slight bluer than the OEM Lexus bulbs, roughly the same color as the HID's on the Aston. Longevity is, of course, yet to be evaluated. Success. It can be done, but I guarantee a lot of colorful language during the process. https://www.google.com/search?q=Changing+a+headlight+bulb+2002+Lexus+SC430 ..

The dealership can reprogram it with their dealer scan tool computer. Having said that, this says NO! Celsius is so much easier. 0'C is freezing, in the summer with AC you want 19' or 20'. In winter you want 23' or 24'C https://www.clublexus.com/forums/ls-4th-gen-2007-2017/255466-f-or-c-how-to-set-2.html ..

Fouled spark plug or plugs or bad ignition coil or coils. Your OBD2 TEster should tell you which cylinders to check.

Pull the cables back off the battery and check out how clean they are. My guess is that there is corrosion where the flat side of the battery bolt sits inside the cable itself. Use a pliers and pull the bolts out of the booted cables and check the surfaces.The install of a battery requires more than the battery itself, also the connections involvedVery important to not overtighten battery bolts, just snug up slightly to ensure electrical contact. The bolts are made of metal, the thread is made up of lead/aluminum material...you DO NOT want to strip these threads or else that expensive battery will be garbage.

MIGHT BE A STARTER PROBLEM

When was the last time the Lexus Dealership serviced it? It could be many things and it needs hooking up to the Lexus Scan Tool Computer. When in park, the gearbox and drive should be locked.

I always call my local parts store (on a weekday trust me on that part) and say I have a .... I need oil and filter or transmission fluid and filter how many quarts and type (weight if not written on Fill cap) do I need? They look it up and tell you it's in there computer for shops like mine I just tell them what year I have and send me the fluid and filters (unless I did a custom job then see approximately how much came out and buy 2 more quarts than what you believe you pulled out and add the amount -the 2 extra start it for a few seconds and check level when engine off(for oil) running for transmission

I have a 2005 ES330. It is a Lexus, you need the dealership, or a good auto-electrician. The dealership connects is to a scan tool computer that has factory software on it and makes electrical issues very easy. https://www.google.com/search?q=Lexus+dealership Not have much luck having issues with the Expedition as well!

That is a Dealership job. All that stuff needs fixing properly, especially the fob. Did you change the battery? I even let the dealership do that. Try flooding the lock with WD40, a really good wash out for free up and clean the pins in the lock. I have a 2005 ES330.

Not for a public forum. Ask you Toyota/Lexus dealership.

Hello. The rear fascia might have to come off to replace that lamp assembly. The wheel on whatever side that lamp assembly is broken and the inner splash shield has to be removed to remove and replace that assembly. Good luck and keep me informed; if you want to.

Clean the Throttle body. It should be done at the same time as MAF cleaning.