Check the coolant level first. Make sure it is full. Take a look at the condition of the coolant. It should be bright red, green, or yellow depending on the type of coolant. If it is dark, rusty, or muddy than it is likely that the heater core has plugged do to the lack of maintenance of your cooling system .
The good news is the heater hoses can be removed from the heater core and the heater core can be back flushed to try and clean it out. This works 90% of the time. If heat returns than flush the cooling system to help prevent it from happening again. If heat still does not return than the heater core would need to be replaced. $$$$$
this vehicle may have a manual valve that controls the coolant flow to the heater core. Look for the heater hoses near the fire wall. The valve is usually inline with one of the hoses and will have a cable attached. If you see it make sure the cable is moving when you turn the heat select knob from full hot to full cold. I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa
Well if there is not a puddle of antifreeze underneath where it is most often parked, then I would suspect you have a head gasket or cracked block/head problem. If there is a puddle of antifreeze under the car, or under the passenger side carpet, then you can easily track the leak back to its source. I assume your shop did some basic checks for oil in antifreeze and vice versa and for an odor of antifreeze in the exhaust?
I doubt it. You'd have an ABS light on. All wheel are warm to scalding hot after even light driving. ABS systems do not apply brakes. They unapply them. They simply cut the fluid to one of the wheels / axle sets of brakes. (Newer stability control systems use the brakes) In your case. The ABS can deactivate either front wheel independantly, or the both the rear brakes together. You can take the wheel off & flip the pad & piston up to check it if you want, but I wouldn't think it was the brake dragging at the top of my list, no.
I am assuming you bave chechked the battery. Jump the positive terminal on solenoid with terminal going into starter from the solenoid. If the starter spins replace solenoid. If it doesn't check starter itself starting with the brushes.
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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.
