Terry, thanks for choosing FixYa and welcome. You may have a weak alternator killing the battery, Make sure you test it. If it checks out, You may have a bad connection in the battery charging area. Check the terminals and post. Check your wire that leaves the battery and goes to the alternator.
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The ABS system and TRAC system are very similar. Signals from the speed sensors in the wheel hubs and one on the output shaft of the transmission are checked against each other. If when you apply the brake a wheel is detected as running much slower than the others brake fluid is relieved from this wheel to stop it skidding. Likewise when you accelerate the speed sensors detect a wheel speeding up faster than the rest and the brake is applied to it to gain traction control. So you can see that the speed sensor operation and their signals are central to both ABS and TRAC. If you have a problem with one then you invariably have a problem with the other. You need to check that the speed sensors to the wheel hubs are intact, that the connections are good and that the wiring has continuity. Also check the speed sensor on the side of the output shaft on the transmission casing, the connection and continuity. If any part is loose this will be enough to upset the complete system.
Check the voltage of the battery first. If you are under 11 volts you have a charging issue. Most likely though, if your lights are working at full power it is your starter.
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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.
