Toyota Supra 1990 Manual page 10

IN-8
INTRODUCTION - Precautions for Vehicles Equipped with
SRS
Airbag
When the negative (-) terminal cable is disconnected from
the battery, memory of the clock and audio systems will
be cancelled. So before starting work, make a record of
the contents memorized by each memory system. Then
when work is finished, reset the clock and audio systems
as before.
To avoid erasing the memory of each memory system,
never use a back-up power supply from outside the vehicle.
3. Even in cases of a minor collision where the airbag does
not deploy, the front airbag sensors and the steering wheel
pad should be inspected (See page AB-11).
4. Never use airbag parts from another vehicle. When replac-
ing parts, replace them with new parts.
5. Before repairs, remove the airbag sensors if shocks are
likely to be applied to the sensors during repairs.
6. The center airbag sensor assembly contains mercury.
After performing replacement, do not destroy the old part.
When scrapping the vehicle or replacing the center airbag
sensor assembly itself, remove the center airbag sensor
assembly and dispose of it as toxic waste.
7. Never disassemble and repair the front airbag sensors,
center airbag sensor assembly or steering wheel pad in ord-
er to reuse it.
8. If the front airbag sensors, center airbag sensor assembly
or steering wheel pad have been dropped, or if there are
cracks, dents or other defects in the case, bracket or
connector, replace them with new ones.
9. Do not expose the front airbag sensors, center airbag sen-
sor assembly or steering wheel pad directly to hot air or
flames.
10. Use a volt/ohmmeter with high impedance (10 kO/v mini-
mum) for troubleshooting of the electrical circuit.
11. Information labels are attached to the periphery of the air-
bag components. Follow the notices.
12. After work on the airbag system is completed, perform the
airbag warning light check (See page AB-29).