Below the center console.
Its under the center console below the radio and little cubby bolted to the floor....
center of the steering wheel, under the horn cover
Don't think the 1989 Toyota Camry came with an airbag system.
look for places that say airbag
Most likely not Since only luxury vehicles carried a driver airbag
The 2002 Acura airbag control module is located on the firewall in the engine compartment. The airbag control module will be on the drivers side of the firewall.
I have a 1993 Toyota 4runner also and it does not have a air bag. I think the 4runners got air bags in late 1995 or early 1996.
The airbag module on an 04 Toyota Sienna is located at the front of the engine compartment. It monitors for impacts which cross a threshold which triggers the airbags.
under the radio
Under the dash
It may be located in the airbag sensor control unit.
The control module is located under the passenger seat.