When performing the procedure after removing cowl top cover, cover the lower end of windshield with urethane, etc to prevent damage to windshield.

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
Precautions For Engine ServiceB terminal circuit
Description
“B” terminal circuit supplies power to charge the battery and to operate the
vehicles electrical system.
Diagnosis procedure
Regarding wiring diagram information. Refer to chg-9, "wiring diagram".
1.Check “b” terminal connection
Turn ignition switc ...
Horn
To sound the horn, push near the horn icon on the
steering wheel.
WARNINGDo not disassemble the horn. Doing so
could affect proper operation of the
supplemental front air bag system. Tampering
with the supplemental front air bag
system may result in serious personal
injury. ...
Seat belts
The seat belts can be cleaned by wiping them
with a sponge dampened in a mild soap solution.
Allow the belts to dry completely in the shade
before using them. See “Seat belt maintenance�
in the “Safety – Seats, seat belts and supplemental
restraint system� section of this manual.
...