Sequence of execution
1. Prepare the car for work (see "Preparing the car for maintenance and repair").
2. Press the lock and disconnect the wiring harness connector from the sensor.
3. Turn the sensor counterclockwise by 90° and remove it from the bracket.
4. To check the sensor, use a thin slotted screwdriver to move the rod lock to the right position.
5. Connect the multimeter in ohmmeter mode to sensor terminals 3 and 4. The circuit should be open (the resistance value should tend to infinity). We press the sensor rod, the circuit should close (the resistance value is close to zero). Otherwise, the sensor must be replaced.
6. Before installation, move the rod lock to the left position. We connect the wiring harness block to the sensor. We install the sensor in the hole of the pedal bracket and turn it clockwise by 90°. The brake pedal should be in the extreme upper position.
[Article copied from a web page www.ladaman.ru]