AB0119
H10689
AB0118
H16614
ACC
Tc
(+)
(-)
ON
or
AB0117 AB0118 AB0119
H01302
H01303
LOCK
ON
Airbag Sensor Assembly
Tc
ACC
or
-
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI-499
653
Author:
Date:
2001 SIENNA (RM787U)
3
Check voltage between terminal Tc of DLC3 and body ground.
CHECK:
Measure the voltage between terminal Tc of DLC3 and body
ground.
OK:
Voltage: 10 - 14 V
OK
Check harness between terminal CG of DLC3
and body ground.
NG
4
Check airbag sensor assembly.
PREPARATION:
(a)
Turn the ignition switch to LOCK.
(b)
Disconnect negative (-) terminal cable from the battery,
and wait at least for 90 seconds.
(c)
Disconnect the airbag sensor assembly connector.
(d)
Insert service wire into terminal Tc from back side as
shown in the illustration.
(e)
Connect the airbag sensor assembly connector with ser-
vice wire.
(f)
Connect negative (-) terminal cable to the battery.
(g)
Turn the ignition switch to ACC or ON and wait at least for
20 seconds.
(h)
Connect service wire of terminal Tc to body ground.
CHECK:
Check operation of the SRS warning light.
OK:
SRS waning light comes on.
NOTICE:
Pay due attention to the terminal connecting position to
avoid a malfunction.
OK
Check harness between the airbag sensor as-
sembly and DLC3.
NG
Replace airbag sensor assembly.
