The air bag module monitors all of the electrical circuits of the air bag system. If it detects a fault in any of these circuits, it will cause the air bag light to come on. If it's flashing, count the number of flashes between pauses, this should be the diagnostic code the module is telling you what is wrong with the airbag system (or you can use a scan tool) The only way to keep the light off (besides removing it from dash) is to repair the fault, you can clear the code with the scantool, but it will come right back on if it still sees the fault.
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he light comes on because the airbag computer has detected a malfunction. You need to have the system checked for codes with a scan tool. You then need to have the cause repaired by a trained technician. The airbag system is not a safe place for do it you selfers.
The airbag light means that a problem with the airbag has been detected and that there is an error code stored in the airbag control module. The code will tell you what is wrong with the airbag. The code can be read at the nearest Lexus dealer, you will be charged a fee of $80.
Sometimes the light can be reset by disconnecting battery for ten minutes. Disconnecting battery will also delete the error codes stored. If the light comes back when you connect back the battery, that means that the problem is still there, and that the airbag control module detected the problem immediately.
sounds like you may need an alternator... theres not a short< your just losing battery power and the steering wheel being hard to turn is probably your engine cutting out... also it could be a seized up pully or a/c compressor...
does your cruise control work? the reason is that there is a what is called a clockspring harness in the sterring wheel under the airbag, if your airbag light is flashing chances are this harness is broke and will need to be replaced, The airbag, horn, and cruise control all go throught this clockspring harness.