Airbag is a vital safety device on Toyota Corolla. Airbag warning light will illuminate if the airbag isn't working properly. you will need to have your airbag serviced by Launch X431 GDS if this light comes on.
1 Remove the fuse panel cover under the steering column by pulling down on it with your fingers.
2 Locate the yellow SRS electrical connector in the fuse panel.
3 Turn the ignition key to the "On" position (the second position in Toyota Transponder Key).
4 Pull the SRS electrical connector out of the fuse panel.
5 Unbend a paperclip and jump the two electrical terminals by touching one end of the paperclip to one terminal on the connector and the other end of the paperclip to the other end of the terminal. This will jump the two terminals, and cause the SRS light on your dash to stay lit for 10 seconds. The light will then go out.
6 Plug the SRS electrical connector for the airbag back into TMS370 Programmer and close the fuse panel cover by pushing it back over the fuse panel until the retaining clips snap, locking it in place.
Notice Once you have the problem fixed, your airbag light may still stay illuminated. You'll need to reset this light. If you don't, you will be unable to be warned of any future malfunctions with the SRS system.