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I just put a set of aftermarket wheels on my 350. Although the sensors fit in mine, the tech told me that if they do not fit, they can put all four sensors on the spare tire. They then set the pressure setting on the Satallite Switch to 32psi (PSI of Spare) and the system will not give a "Check System" light. Of course, you now have no way of knowing you are losing air pressure in a tire. I recommend looking into a set of wheels that the sensors will fit in...
Not that another $100 per wheel should stop anyone that can afford a Lexus, but there still should be a way to turn off the display warning.
Has anyone ask if this is an option that can be "programed" off.
My car has not arrived yet, therefore no VIN for me to even look at the online owners manual.
Not that another $100 per wheel should stop anyone that can afford a Lexus, but there still should be a way to turn off the display warning.
Has anyone ask if this is an option that can be "programed" off.
My car has not arrived yet, therefore no VIN for me to even look at the online owners manual.
Lexus didn't equip the car with tire pressure sensor just because they could, but because there are REGULATIONS that REQUIRE tire pressure sensors since 2005--so it would be illegal for Lexus to give you the option to turn it off.
I am working on disabling the system in my 2006 Toyota Tacoma. Should be very similar to the Lexus system. If you put all the sensors in the spare it will keep the system from sending a low pressure warning however you can't use the spare in the event of a flat. The system is a stand alone system on does not interface with the ECU. Should be easy to pull the plug on it.
The wheel place I went to recommended putting the sensors into a wheel barrow tire and keeping it in your trunk that way you can still use your spare. The wheel barrow tire is pretty small about 6"-8" so it doesn't take up much space.
Lexus didn't equip the car with tire pressure sensor just because they could, but because there are REGULATIONS that REQUIRE tire pressure sensors since 2005--so it would be illegal for Lexus to give you the option to turn it off.
I don't think this applies to passenger cars. IIRC, the regulations apply to vans, trucks, and SUVs only.
I am working on disabling the system in my 2006 Toyota Tacoma. Should be very similar to the Lexus system. If you put all the sensors in the spare it will keep the system from sending a low pressure warning however you can't use the spare in the event of a flat. The system is a stand alone system on does not interface with the ECU. Should be easy to pull the plug on it.
I'm missing the point. Since I'm not totally familiar with the sensors, how does putting all the sensors in the small spare stop me from pulling a flat tire off my front axle and putting on the small spare and driving away? Does the small spare become disabled or unusable if you "load it" with 4 sensors?
I'm missing the point. Since I'm not totally familiar with the sensors, how does putting all the sensors in the small spare stop me from pulling a flat tire off my front axle and putting on the small spare and driving away? Does the small spare become disabled or unusable if you "load it" with 4 sensors?
Because the four sensors would be bouncing around like the steel ***** in a pachinko machine. Probably ruin the sensors, ding up the inside of the rim, make a racket, and throw the wheel off balance.
Because the four sensors would be bouncing around like the steel ***** in a pachinko machine. Probably ruin the sensors, ding up the inside of the rim, make a racket, and throw the wheel off balance.
Ok, I understand. Then other posts above make no sense.
Because the four sensors would be bouncing around like the steel ***** in a pachinko machine. Probably ruin the sensors, ding up the inside of the rim, make a racket, and throw the wheel off balance.
Bingo! The sensors are integrated as part of the valve stem assembly. From the outside the appear very similar to a standard stem. Inside there is a small "black box" that houses the sensor and sending until. Via radio wave they send a singnal to the receiver mounted in the car if the pressure drops below a predetermined level. If the receiver does not "hear" a signal from all 5 sensors (yes the spare has one too) it triggers the warning light. So if you remove the sensors from the wheels they need to be in a pressurized container that will maintain the same level of pressure as the tires.
It should be just a matter of locating the proper fuse/breaker and pulling it. I just got a wiring diagram for my Tacoma so I plan to work on that this weekend. Should be easy enough to apply to these cars as well.
If someone tell me where the control modulator is located in the IS I can show you how to by pass the dash warning light. Turn them on and off when you have to put the factory wheel back on.
I just bought a IS250 and put 18" aftermarket wheel on it. I can't fine where the controll box is located since it not in the same location as my GX. I have 22" on my GX and I bypass the dash warning light. Turn them back on with a flip of a switch when I need to put the factory wheel back on during winter.
this is what i assum it look like on the IS, Hunter green color, manufacture by DENSO.
Anyone fine it let me know, i will show you how to add a toggle switch to turn them on & off. It probable in the passenger or driver kick panel or under the driver dash. It not under the glove box area like the GX. I don't have time to look for them.