General Information
Component Location
General Description
This switch is mounted on the pedal assembly and is used to indicate brake pedal status to the HECU.
The switch is turned on when brake is pressed.
The brake light switch is a normally-open contact which runs to battery voltage when active (brake pressed).
When passive (brake released), the cable is grounded via the brake light bulbs.
DTC Description
The brake light signal is a reference to judge driver's intention for braking.
The HECU checks open or short circuit of brake light switch for normal ESC control.
If an error is present, the warning lamp will illuminate.
DTC Detecting Condition
Specification
Diagnostic Circuit Diagram