Checking the relay of the key left in ignition switch warning system (SG, SG-i, SX) [Toyota Carina T190]

1. Connect the "+" of the battery to terminal "1", and to terminals "2" and "3" and check that the buzzer works.



2. Disconnect the wire from terminal "2", check that the buzzer turns off.

3. Under the conditions of point 1, disconnect the wire from terminal "3" and check that the buzzer turns off.



4. Under the conditions of point 1, connect "+" to terminal "5", check that the buzzer turns off.

(The article is taken from a web resource: ToyotaMan)