what does automatic transmission speed sensor do?
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Transmission speed sensors are used to calculate the actual gear ratio of the transmission while in use. There are generally two speed sensors that work in conjunction to provide accurate transmission data to the vehicle's powertrain control module. The first is known as the input shaft speed (ISS) sensor.
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['Slipping transmission (Delayed reaction or delayed engagement)', 'Strange smells.', 'Transmission warning light.', 'Rough shifts.', 'Transmission fluid leak.', 'Grinding or odd sounds.']
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There are 6 ways to improve automatic transmission performance and reliability. These are servicing the transmission, changing driving habits, driving with lower gears when loaded, maintaining engine performance, having proper alignment of tires, and having the correct tire size.
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Automatic transmission fluid (ATF) is a kind of transmission fluid used in vehicles with self-shifting or automatic transmissions. ... The fluid is optimized for the special requirements of a transmission, such as valve operation, brake band friction, and the torque converter, as well as gear lubrication.
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What the automatic transmission light means. If the computer detects any abnormal readings from the sensors, a code will be stored and the automatic transmission indicator light will turn on to alert the driver of possible issues.
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Wheel-speed sensors are supposed to detect when one drive wheel is spinning faster than the others — meaning the vehicle is slipping or losing traction. ... When the traction control warning light stays on, that means you aren't getting any help from the system to control traction and the system needs to be checked.
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The car is not without its eccentricities, chief among them the transmission. The car has a harshly shifting gearbox described by smart USA as an "automated manual," basically a manual transmission in which the clutch engages automatically.
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Most automatic transmissions also allow you to select one or more positions past the PRND options. ... For example, in a four-speed, selecting 3 would allow the automatic transmission to shift among 1st gear, 2nd gear and 3rd gear, but 4th gear would be locked out, accessible only by selecting Drive.
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The “N” is an indicator that your automatic transmission is in NEUTRAL or a free spinning mode. This setting releases the gear(s) (forward and reverse) and allows the tires to spin freely. Most people do not use the N setting unless their car engine will not start and they need to push it or have the vehicle towed.
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The 2 indicates second gear. If you select the 2, the transmission will shift to second gear, but it will not shift into third or fourth gear. The 1 indicates first gear. ... Going down a steep hill, you can shift into 2 or 1 and limit your car's speed with the transmission, keeping you from overheating your brakes.
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So 5 speeds = 5 gears. Automatic means the car changes between gears itself with no input from the driver. ... This is opposed to a manual transmission which has a clutch pedal and the car will not shift unless the driver does it. Transmissions can have any number of gears.
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Engine speed sensors are commonly referred to as transmission speed sensors because they are connected to the transmission. ... You will actually find two speed sensors in the transmission of each new vehicle out today. One speed sensor is called the input shaft speed sensor and the other is the output shaft speed sensor.
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In an automatic transmission, the car decides when you shift and automatically changes gears for you. In a manual transmission car, you are responsible for shifting gears using the clutch and gas pedals.
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5 speed automatic is a transmission consisting of 5 gears for forward and 1 gear for reverse. Gears are shifted automatically using computerized system and with the help of torque converter. There is no clutch paddle.
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An automatic transmission uses sensors to determine when it should shift gears, and changes them using internal oil pressure.
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The lateral acceleration sensor measures the g-force from a turn and sends that information also to the ECU. Lastly, the wheel speed sensors measures the wheel speed.
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Check the automatic transmission fluid level (with the engine off and the car on level ground) with the dipstick in the right end of the transmission housing. Remove the dipstick and wipe it off. Insert the dipstick, remove it again, and read the fluid level. The fluid level should be between the upper and lower marks.