IS 250 RWD V6-2.5L (4GR-FSE) (2007)
a. Connect the 3 dry cell batteries (1.5 V) in series.
b. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead from the battery to terminal 3.
c. Measure the voltage between terminals 2 and 1 while slowly moving the link up and down.
If the result is not as specified, replace the sensor.