Other information:
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the Engine room fuse & relay box (B) after removing the cover (A).
3.
Disconnect the brake tubes (A) from the HECU by unlocking the nuts counterclockwise with a wrench.
Tightening torque : ...
Description
The stop lamp switch plays the role of supplying signals to
turn on stop lamps and convenience devices (HECU, ECU, BCM, SML, etc.).
The stop lamp switch is a system for drivers to express their intention
to the brake by press the brake pedal.
...