Toyota T100 1996 Service Manual page 663

INSPECTION PROCEDURE
1 Does SRS warning light turn off?
LOCK
Center Airbag
Sensor Assembly
YES
Replace center airbag sensor assembly.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − SUPPLEMENTAL RESTRAINT SYSTEM
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative (−) terminal cable from the battery,
and wait at least 90 seconds.
(c) Disconnect center airbag sensor assembly connector.
(d) Connect negative (−) terminal cable to battery.
CHECK:
Check operation of SRS warning light.
H18115
NO Check SRS warning light circuit or terminal AB
circuit of DLC1.
DI−399