2001 TOYOTA SEQUOIA Page 18

C84216H10600
H43425C91342H23582
Side Airbag
Sensor Assembly LH
Airbag
Sensor
Assembly
DTC B1625/22DTC B1620/21
CG
TC DLC3
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1185
1379 Author: Date:
2005 SEQUOIA (RM1146U)
7 Check side airbag sensor assembly RH.
PREPARATION:
(a) Connect the connectors to the airbag sensor assembly.
(b) Interchange the side airbag sensor assembly RH with LH
and connect the connectors to them.
(c) Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1620/21 is output.A
DTC B1625/22 is output.B
DTC B1620/21 and B1625/22 are not
output.C
HINT:
Codes other than DTC B1620/21 and B1625/22 may be output
at this time, but they are not related to this check.
A Replace airbag sensor assembly
(see page RS±82).
B Replace side airbag sensor assembly RH
(see page RS±92).
C
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).

C91342C84216H10600H24647
CG
TCDTC B1625/22
DLC3 Side Airbag Sensor
Assembly LHAirbag
Sensor
Assembly
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1187
1381 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
CAUTION:
Be sure to perform the following procedures before troubleshooting to avoid unexpected airbag de-
ployment.
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the battery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assembly.
(d) Disconnect the connectors from the steering wheel pad.
(e) Disconnect the connectors from the front passenger airbag assembly.
(f) w/ Side and curtain shield airbag:
Disconnect the connectors from the side airbag assembly LH and RH.
(g) w/ Side and curtain shield airbag:
Disconnect the connectors from the curtain shield airbag assembly LH and RH.
(h) Disconnect the connectors from the front seat outer belt LH and RH.
1 Check DTC.
PREPARATION:
(a) Connect the connectors to the airbag sensor assembly.
(b) Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1625/22 is not output.
HINT:
Codes other than DTC B1625/22 may be output at this time, but
they are not related to this check.
NG Go to step 2.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).

C84216H10600
H43425C91342H23573
Side Airbag
Sensor Assembly RH
Airbag
Sensor
Assembly
DTC B1620/21
DTC B1625/22
CG
TC DLC3
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1191
1385 Author: Date:
2005 SEQUOIA (RM1146U)
7 Check side airbag sensor assembly LH.
PREPARATION:
(a) Connect the connectors to the airbag sensor assembly.
(b) Interchange the side airbag sensor assembly RH with LH
and connect the connectors to them.
(c) Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1625/22 is output.A
DTC B1620/21 is output.B
DTC B1620/21 and B1625/22 are not
output.C
HINT:
Codes other than DTC B1620/21 and B1625/22 may be output
at this time, but they are not related to this check.
A Replace airbag sensor assembly
(see page RS±82).
B Replace side airbag sensor assembly LH
(see page RS±92).
C
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).

H10600H01012H24646H24648
CG TCDTC B1630/23
DLC3
Airbag
Sensor
Assembly
Curtain Shield
Airbag Sensor
Assembly RH
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1193
1387 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
CAUTION:
Be sure to perform the following procedures before troubleshooting to avoid unexpected airbag de-
ployment.
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the battery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assembly.
(d) Disconnect the connectors from the horn button assembly.
(e) Disconnect the connectors from the front passenger airbag assembly.
(f) w/ Side and curtain shield airbag:
Disconnect the connectors from the front seat airbag assembly LH and RH.
(g) w/ Side and curtain shield airbag:
Disconnect the connectors from the curtain shield airbag assembly LH and RH.
(h) Disconnect the connectors from the front seat outer belt assembly LH and RH.
1 Check DTC.
PREPARATION:
(a) Connect the connectors to the airbag sensor assembly.
(b) Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1630/23 is not output.
HINT:
Codes other than DTC B1630/23 may be output at this time, but
they are not related to this check.
NG Go to step 2.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).

H01007
H10600H42066
H40997H24664
Airbag
Sensor
Assembly
CG TCDTC B1630/23
DLC3
Curtain Shield
Airbag Sensor
Assembly LH
DTC B1635/24
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1197
1391 Author: Date:
2005 SEQUOIA (RM1146U)
7 Check curtain shield airbag sensor assembly RH.
PREPARATION:
(a) Connect the connectors to the airbag sensor assembly.
(b) Interchange the curtain shield airbag sensor assembly
RH with LH and connect the connectors to them.
(c) Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1630/23 is output.A
DTC B1635/24 is output.B
DTC B1630/23 and B1635/24 are not
output.C
HINT:
Codes other than DTC B1630/23 and B1635/24 may be output
at this time, but they are not relevant to this check.
A Replace airbag sensor assembly
(see page RS±82).
B Replace curtain shield airbag sensor assembly
RH (see page RS±97).
C
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).

H01007
H10600H40997H24650
CGTCDTC B1635/24 DLC3
Curtain Shield Airbag
Sensor Assembly LH
Airbag
Sensor
Assembly
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1199
1393 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
CAUTION:
Be sure to perform the following procedures before troubleshooting to avoid unexpected airbag de-
ployment.
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the battery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assembly.
(d) Disconnect the connectors from the steering wheel pad.
(e) Disconnect the connectors from the front passenger airbag assembly.
(f) w/ Side and curtain shield airbag:
Disconnect the connectors from the side airbag assembly LH and RH.
(g) w/ Side and curtain shield airbag:
Disconnect the connectors from the curtain shield airbag assembly LH and RH.
(h) Disconnect the connectors from the front seat outer belt LH and RH.
1 Check DTC.
PREPARATION:
(a) Connect the connectors to the airbag sensor assembly.
(b) Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1635/24 is not output.
HINT:
Codes other than DTC B1635/24 may be output at this time, but
they are not related to this check.
NG Go to step 2.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).

H01007
H10600H42066H40997H23576
CG
TCDTC B1630/23
DLC3
Curtain Shield Airbag
Sensor Assembly RH
DTC B1635/24 Airbag
Sensor
Assembly
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1203
1397 Author: Date:
2005 SEQUOIA (RM1146U)
7 Check curtain shield airbag sensor assembly LH.
PREPARATION:
(a) Connect the connectors to the airbag sensor assembly.
(b) Interchange the curtain shield airbag sensor assembly
RH with LH and connect the connectors to them.
(c) Connect the negative (±) terminal cable to the battery,
and wait for at least 2 seconds.
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1635/24 is output.A
DTC B1630/23 is output.B
DTC B1630/23 and B1635/24 are not
output.C
HINT:
Codes than other DTC B1630/23 and B1635/24 may be output
at this time, but they are not related to this check.
A Replace airbag sensor assembly
(see page RS±82).
B Replace curtain shield airbag sensor assembly
LH (see page RS±97).
C
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).

H10600H01065H08008
H24037
Airbag
Sensor
Assembly
DLC3
CG TCOccupant
Classification ECU
DTC B1650/32
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI±1205
1399 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION PROCEDURE
1 Check DTC (occupant classification ECU).
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(b) Using the hand±held tester, check the DTCs of the occupant classification ECU (see page DI±1147).
OK:
DTC is not output of the occupant classification ECU.
NG Go to inspection procedure of DTC output
(see page DI±1155).
OK
2 Check DTC (airbag sensor assembly).
CHECK:
(a) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(b) Clear the DTCs stored in memory (see page DI±1147).
HINT:
First clear DTCs stored in the occupant classification ECU and
then in the airbag sensor assembly.
(c) Turn the ignition switch to the LOCK position.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Check the DTCs (see page DI±1147).
OK:
DTC B1650/32 is not output.
HINT:
Codes other than DTC B1650/32 may be output at this time, but
they are not related to this check.
NG Go to step 3.
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page DI±1137).