Simple simply with steering wheel airbag only. The control module is also sensor located in center under ash tray and easily accessed. The part(s) is no longer available nor are any parts with SRS in this truck at genuine Toyota parts. Problem pointed out at failed inspection. Anyway, after much research I found no risk procedure to drain the electrons by grounding both detached batter cables overnight to ground rod. In morning when key is turned on, the airbag light slowly lights and comes on full and goes off after 6 seconds. Can drive short time and all works fine. But as time goes by the light no longer comes on when key is turned on. I can extend the working time by disconnecting the sensor module. Reconnect and works fine. Again if system is attached to battery for extended time (hour) the light will not come on. After draining all electronics to ground with battery disconnected overnight, then reconnecting, SRS works for some time less than hour. Can extend working time by unplugging the control module sensor under the ash tray in this steering wheel only airbag and simple single sensor under ashtray.
Wednesday, November 25th, 2020 AT 8:45 AM
(Merged)