Supra L6-2997cc 3.0L DOHC MFI (1998)
Brake Switch - TCC: Description and Operation
CIRCUIT DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling, while driving in lock-up condition, when brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signal to ECM. Then the ECM cancels operation of the lock-up clutch while braking is in
progress.