Kia Optima: Output Speed Sensor. Description and OperationDescription
The output speed sensor is a vital unit that measures the rate of rotation of the transaxle's turbine shaft and output shaft, and delivers the readings to the TCM. The sensor provides critical input data that's used in feedback control, damper clutch control, gear setting control, line pressure control, clutch activation pressure control, and sensor fault analysis.

Installation
Output Speed Sensor. SpecificationsBrake Booster Operating Test
For simple checking of the brake booster operation, carry out the following tests.
1.
Run the engine for one or two
minutes, and then stop it. If the pedal depresses fully the first time ...
Transmitter Code Registration (Using Code Saver)
1.
Open Door.
2.
Connect POWER (B+) and GND, signal
line of Code Saver.
3.
If connection is normal, signal
line is activated and RED LED turns ON.
...
Inspection
Inspect Rotor
1.
Check that there is continuity between the slip rings
(C).
2.
Check that there is no continuity between the slip
...