Tacoma Extra Cab 2WD V6-3.4L (5VZ-FE) (1998)
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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 lockup clutch while braking is in
progress.