Toyota Corolla Cross: Power Source & Network

 Parts Location

PARTS LOCATION ILLUSTRATION *1 TCM *2 ECM *3 BRAKE ACTUATOR ASSEMBLY - SKID CONTROL ECU *4 NO. 1 ENGINE ROOM RELAY BLOCK ASSEMBLY ILLUSTRATION *1 TRANSMISSION VALVE

 Brake Switch "B" Circuit Short to Battery (P070312)

DESCRIPTION The purpose of this circuit is to prevent the engine from stalling when the brakes are suddenly applied while driving with lock-up on. When the brake pedal is depressed, the stop light switch assembly sends a signal to the TCM. Then the TCM cancels the operation of the lock-up clut