there was a recall issued that said the ECM needed to be reflashed.
Contact a dealership service writer and have the VIN number handy. They will check to see if the recall work was ever done on your vehicle.
Although that recall was for the stability control, it's a possibility
The sensor inside the door latch is probably stuck. Try spraying some WD40 or similar into the door latch mechanism. Open and close the door a few times. Give it some time to soak in. If that doesn't work, you will need to have the sensor checked by a pro.
You MUST READ the error codes to learn which detected fault is causing the 'limp home' mode. Try PepBoys or Auto Zone etc free Scan to read the codes. May require DEALER diagnostic computer to reset/clear the error code(s) and/or repairs. Good Luck, it may be trivial loose connector or may be mega-buck disaster
The oil filter on a Lexus GX460 is a cartridge type filter located at the bottom front of the engine. It is difficult to see without removing the front engine undercover, which is basically a steel plate shield held to the vehicle by 4 bolts. Once the shield is removed, the oil filter housing is visible right behind and just above the stabilizer bar. The housing is positioned sideways and a large pair of channel locks can be used to unscrew the black housing cap. Make sure you have a drip pan ready because a fair amount of oil will drain once the cap is removed. After the cap is removed, it's a simple matter of removing the cartridge filter with your fingers and popping in the new one. A new rubber o-ring should be included with the replacement filter.
P106B = Manifold Absolute Pressure Sensor/Barometric Pressure Circuit Range/Performance Problem
Light to heavy, hopefully your problem is first one.
* bad connection to sensor (check connection to sensor)
* sensor malfunction (replace sensor)
* intake manifold leaking (most likely need to replace intake manifold gasket)
I don't know exact location on your Lexus but don't be confused with MAF sensor which located on black plastic air filter case.
That's a Air flow sensor.
It should be somewhere intake manifold.
Google with your year and model to see how it look like.
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It is definitely a cam problem. Was your replacement cam sensor OEM Japanese Denso, Made in China or Made in Mexico? Never go cheap on sensors.
DTC P0348 stands for Camshaft Position Sensor "A" Circuit High Bank 2. This code triggers when the signal coming from the CMP sensor located in bank #1 is either missing or inconsistent. The CMP sensor measures the speed and position of the engine's camshaft.
Sep 29, 2023
If you can't find the audio amplifier under the seat as mentioned in the manual, there are a few other places you might want to check:
Trunk area: Some Lexus LX470 models have the audio amplifier located in the trunk area, often mounted on the side panels or near the rear speakers.
Behind the dashboard: In some vehicles, especially those with more complex audio systems, the amplifier may be located behind the dashboard or near the head unit. You may need to remove some panels to access it.
Under the center console: Occasionally, car manufacturers install amplifiers under the center console or beneath other interior panels. This location keeps the amplifier hidden and can save space in the trunk or under the seats.
Behind the glove compartment: Sometimes, especially in luxury vehicles like Lexus, the amplifier may be tucked away behind the glove compartment. Removing the glove compartment may give you access to the amplifier.
If you still can't locate the amplifier after checking these areas, you may need to consult with a professional car audio technician or refer to specific technical documentation for your vehicle model. They may have insights or access to resources that can help you pinpoint the exact location of the amplifier.
Certainly! Here's a question inspired by your inquiry:
"I'm a proud owner of a 1998 Lexus LX470 with the Lexus Premium Sound System, Matsushita Model No 8620-60320, Reference No CQ-LT4730A. Does anyone have information on the pin-out and schematic for this particular sound system? I'm looking to understand the wiring better and would greatly appreciate any insights or resources on this topic. Thank you!"
I have read this 6 times and still not sure what the issue is? I have a 2005 ES330. To open all the doors with the key fob, you have to double press the Unlock Button. Pressing the Unlock button once, only opens the driver door.
The door lock module and further help is in the link.
https://www.google.com/search?q=2003+lexus+rx300.+door+lock+module+location
The Club Lexus forums are a great resource.
Yes, it is possible for the ECU to be bad even if it is still providing codes to the OBD2 scanner. The ECU is a complex electronic device and it is possible for one or more of its internal components to fail without affecting its ability to communicate with the OBD2 scanner.
In your case, the fact that the codes went away after replacing the #35 fuse and the IAC motor suggests that those were the underlying problems causing the "crank but no start" condition. However, the fact that the car still won't start after those repairs indicates that there is another problem, and it is possible that the ECU is at fault.
To be sure, you would need to take the car to a qualified mechanic and have them perform a more thorough diagnosis. The mechanic may be able to test the ECU to see if it is functioning properly. If the ECU is found to be bad, it will need to be replaced.
Here are some other possible causes of the "crank but no start" condition in your Lexus IS300:
Faulty fuel pump
Faulty spark plugs
Faulty ignition coil
Faulty camshaft or crankshaft sensor
Low compression in one or more cylinders
Clogged fuel filter
Restriction in the air intake system
If the mechanic is unable to find any other problems, then the ECU may indeed be the culprit. However, it is important to rule out all other possibilities before replacing the ECU, as it can be a costly repair.