00:00This is the ISS sensor, also called the transmission input speed sensor.
00:04Its function is to measure how fast the input shaft rotates,
00:07that receives the motion from the engine and the torque converter.
00:10As the input shaft rotates, the ISS sensor generates an electrical signal in the form of pulses.
00:14The faster the shaft rotates, the higher the signal frequency.
00:17This information is sent directly to the transmission control module.
00:20The TCM module compares the input speed with the engine revolutions
00:23and the transmission output speed.
00:25With this data, it calculates the correct time to make the changes and check each speed.
00:29Thanks to the ISS sensor, the transmission can make smooth shifts,
00:33control oil pressure and detect internal slippage.
00:36When your signal fails, you will experience sudden changes and a loss of power.
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