Toyota Corolla Cross: M20a-fks (battery / Charging)

 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

 Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS NOTICE: Operation history is stored in the RAM or EEPROM of the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be cleared when the cable is disconnected from the negative (-) auxiliary battery terminal, do not di