General Information

Component Location





General Description

The brake light switch indicates brake pedal status to the ABS control unit.
The brake light switch which is dual switch type send brake light signal to HECU. The switch is turned on when brake is depressed.
The brake light switch runs to battery voltage when brake depressed. but The brake light switch doesn't run to battery voltage when brake is not depressed.

DTC Description

The brake light signal is a reference to judge driver's intention for braking and The HECU checks open or short circuit of brake light switch for normal ABS/ESC control. If the brake light switch have an error, warning ramp will be turned ON.

DTC Detecting Condition





Specification





Schematic Diagram