How do you change the throttle position on a Lexus LS400?
1) Unplug the connector from the TPS. 2) Remove these 3 10mm bolts and then remove the throttle body cover. 3) Remove the 2 screws and then the TPS. The two metal prongs under the TPS move when the throttle is pressed.
How to test and replace the throttle position sensor ( TPS )?
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How does throttle position sensor work on 1997 Nissan Maxima?
Today we’re replacing, and adjusting, a throttle position sensor. The sensor detects the opening and closing of the throttle valve and feeds that info to the vehicle’s computer. This was performed on a 1997 Nissan Maxima. Check with your vehicle’s repair manual for testing parameters.
What should the idle speed be on a Lexus LS400?
It may not be as elegant as the official method, but it does work. When the TPS is turned as far clockwise as it will go the idle speed will be at its highest. When the TPS is turned as far counter-clockwise as it will go the idle speed will be at its lowest. Normal idle speed is 650 RPM, plus or minus 50 RPM.
1) Unplug the connector from the TPS. 2) Remove these 3 10mm bolts and then remove the throttle body cover. 3) Remove the 2 screws and then the TPS. The two metal prongs under the TPS move when the throttle is pressed.
It may not be as elegant as the official method, but it does work. When the TPS is turned as far clockwise as it will go the idle speed will be at its highest. When the TPS is turned as far counter-clockwise as it will go the idle speed will be at its lowest. Normal idle speed is 650 RPM, plus or minus 50 RPM.
Today we’re replacing, and adjusting, a throttle position sensor. The sensor detects the opening and closing of the throttle valve and feeds that info to the vehicle’s computer. This was performed on a 1997 Nissan Maxima. Check with your vehicle’s repair manual for testing parameters.
What’s the price of a new Lexus LS400?
Old (part #89452-12050) and New (part #89452-22090, about $74. I added the red dashes in this pic so you can visualize where the metal prongs from the last pic line up with the sensor.
Old (part #89452-12050) and New (part #89452-22090, about $74. I added the red dashes in this pic so you can visualize where the metal prongs from the last pic line up with the sensor.
What are the two sensors on the TPS?
The TPS really has two sensors in one housing. One to detect the throttle opening angle (VTA) and another to detect a malfunction (VTA2). Voltage is applied to both VTA and VTA2 and is constantly changing based on the butterfly angle.
What’s the difference between idle speed and TPS?
It’s the same as when you put your foot on the gas and the throttle opens, doing this puts tension on the TPS. Since the sensor doesn’t rotate much you can tell that small movements yield big changes in the idle speed. The range between highest and lowest settings on my LS was about 600-1300 RPM.
It’s the same as when you put your foot on the gas and the throttle opens, doing this puts tension on the TPS. Since the sensor doesn’t rotate much you can tell that small movements yield big changes in the idle speed. The range between highest and lowest settings on my LS was about 600-1300 RPM.
What kind of car is the Lexus LS 460?
This is primarily a luxury car, and it’s the kind of sports car you buy and keep forever. The Lexus LS 460 is, by all standards, a great luxury sedan as its nomenclature stands for. It was Lexus’s flagship sedan, offering a new revamp, over its subpar predecessor.
Are there any problems with the Lexus LS400?
The leather seats can wear badly on the Lexus LS400, particularly on the early cars and different colors seem to fair better, Gray has always been my favorite and it wears reasonably well, Black is also durable but . Look for, wear on the bolsters and any tears. The heated seats are also known to fail and are not really fixable.
What happens to alloy wheels on Lexus LS400?
Lacquer coating on alloy wheels peels off allowing them to oxidise, it can some times be quite bad. You can get them refurbished for about £65 a corner if they are not too far gone. A full Lexus or specialist service history is always worth looking for.
Do you need catalytic converter on Lexus LS400?
The catalytic converters are expensive on the Lexus LS400 £700+ each so check them carefully but the exhaust rarely needs replacing,
How often should the timing belt be changed on a Lexus LS400?
It is best to see records of the auto transmission fluid and filter having been changed every year, that is not critical but it is essential that the timing belt has been changed at 60,000-mile intervals. The catalytic converters are expensive on the Lexus LS400 £700+ each so check them carefully but the exhaust rarely needs replacing,