System Outline

Key Reminder System 

If the ignition key is inserted in the key cylinder (Unlock warning SW on), the ignition SW is still off and the driver door is opened (Door courtesy SW on), then a signal is input to TERMINAL (B) 23 of the body ECU, the body ECU operates, current flows from TERMINAL (C) 15 of the ECU to TERMINAL (B) 19 of the combination meter to GROUND and the key reminder buzzer sounds.