Shift Interlock Systems: Description
On all models except Corolla, transmission is equipped with a electronically controlled shift lock and key lock system. See Fig 1. On Corolla models, a cable operated key lock system is used along with a electronically controlled shift lock system. See Fig 1. On all models, shift lock system prevents shift lever from being moved from Park unless brake pedal is depressed. In case of a malfunction, shift lever can be released by depressing shift lock override button, located near shift lever. Key lock system prevents ignition key from being moved from ACC to LOCK position on ignition switch unless shift lever is in Park.
System consists of brakelight switch, key interlock solenoid (except Corolla), shift lock control switch, shift lock Electronic Control Unit (ECU), shift lock solenoid and shift lock override button. See Figure.