2001 TOYOTA SEQUOIA airbag

RS0UY±05
H24698
Seat Position
Sensor
Assembly
Seat RailFeeler
Gauge Seat Position Sensor
Assembly Protector
1 mm
(0.039 in.)
RS±108
± SUPPLEMENTAL RESTRAINT SYSTEMSEAT POSITION SENSOR ASSEMBLY
3391 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
NOTICE:

Never use SRS parts from another vehicle. When re-
placing parts, replace them with new ones.

Never reuse the seat position sensor assembly in-
volved in a collision when the airbag has deployed.

If the seat position sensor assembly center has been
dropped, or there are any cracks, dents or other de-
fects in the case, bracket or connector, replace it with
a new one.

When installing the seat position sensor assembly
center, be careful that the SRS wiring does not inter-
fere with other parts and that it is not pinched be-
tween other parts.

After installing, shake the seat position sensor as-
sembly to check that there is no looseness.
1. INSTALL SEAT POSITION SENSOR ASSEMBLY
(a) Using a feeler gauge 1 mm (0.039 in.), install the seat
position sensor assembly.
HINT:
Be sure that a clearance between the seat position sensor as-
sembly and the seat rail is between 0.6 mm (0.023 in.) and 2 mm
(0.079 in.).
(b) Using a torx
) socket wrench, tighten the torx) screw to
install the seat position sensor assembly.
Torque: 8.0 N´m (82 kgf´cm, 71 in.´lbf)
(c) Make sure that a clearance between the seat position
sensor assembly and the seat rail is between 0.6 mm
(0.023 in.) and 2 mm (0.079 in.).
(d) Connect the connector to the seat position sensor assem-
bly.
2. INSTALL SEAT POSITION SENSOR ASSEMBLY PRO-
TECTOR
Install the seat position sensor assembly protector to the seat
position sensor assembly.
3. Separate type (Power adjuster):
INSTALL SEAT CUSHION LOWER SHIELD, SEAT
CUSHION OUTER SHIELD AND SEAT CUSHION IN-
NER SHIELD (SEE PAGE BO±117)
4. Separate type (Power adjuster):
INSTALL SLIDE KNOB AND RECLINING KNOB
(SEE PAGE BO±117)
5. Separate type (Power adjuster):
INSTALL FRONT SEAT ASSEMBLY LH
(SEE PAGE BO±123)

RS0UV±06
H23938
± SUPPLEMENTAL RESTRAINT SYSTEMOCCUPANT CLASSIFICATION ECU
RS±111
3394 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
NOTICE:

If the wiring connector of the SRS is disconnected
with the ignition switch in the ON position, DTCs will
be recorded.

Never use SRS parts from another vehicle. When re-
placing the parts, replace them with new ones.

Never reuse an occupant classification ECU if the air-
bag has previously deployed in a collision.
1. PRECAUTION (SEE PAGE RS±1 and RS±3)
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
Wait for 90 seconds after disconnecting the cable to prevent the
airbag working.
3. REMOVE FRONT SEAT ASSEMBLY RH
(SEE PAGE BO±111)
4. REMOVE OCCUPANT CLASSIFICATION ECU
(a) Disconnect the 2 connectors from the occupant classifi-
cation ECU.
(b) Using a screwdriver, remove the occupant classification
ECU.

RS0UW±06
RS±112
± SUPPLEMENTAL RESTRAINT SYSTEMOCCUPANT CLASSIFICATION ECU
3395 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. VEHICLE NOT INVOLVED IN COLLISION
Perform a diagnostic system check (see page DI±1147).
2. VEHICLE INVOLVED IN COLLISION
(a) Perform a diagnostic system check (see page DI±1147).
(b) Even if the airbag was not deployed, perform a visual check for damage to the occupant classification
ECU. If there are any defects mentioned below, replace the occupant classification ECU with a new
one:

Cracks, dents or chips in the case.

Cracks or other damage to the connector.
CAUTION:
For removal and installation procedures of the occupant classification ECU, see page RS±111 and
RS±114. Be sure to follow the correct procedure.

RS0UY±06
H23939
RS±114
± SUPPLEMENTAL RESTRAINT SYSTEMOCCUPANT CLASSIFICATION ECU
3397 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
NOTICE:

Never use SRS parts from another vehicle. When re-
placing parts, replace them with new ones.

Never reuse the occupant classification ECU in-
volved in a collision when the airbag has deployed.

If the occupant classification ECU center has been
dropped, or there are any cracks, dents or other de-
fects in the case, bracket or connector, replace it with
a new one.

When installing the seat position sensor assembly
center, be careful that the SRS wiring does not inter-
fere with other parts and that it is not pinched be-
tween other parts.
1. INSTALL OCCUPANT CLASSIFICATION ECU
(a) Install the occupant classification ECU.
(b) Connect the 2 connectors to the occupant classification
ECU.
2. INSTALL FRONT SEAT ASSEMBLY RH
(SEE PAGE BO±123)
3. CONNECT CABLE TO NEGATIVE BATTERY TERMI-
NAL
4. PERFORM INITIALIZATION (SEE PAGE BE±77)
Some system need initialization when disconnecting the cable
from the negative battery terminal.
5. INITIALIZE OCCUPANT CLASSIFICATION ECU
(SEE PAGE DI±1137)
6. INSPECT SRS WARNING LIGHT (SEE PAGE DI±1137)

H23940Claw
RS11V±01
RS±116
± SUPPLEMENTAL RESTRAINT SYSTEMRSCA OFF SWITCH
3399 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
1. PRECAUTION (SEE PAGE RS±1 and RS±3)
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
Wait for 90 seconds after disconnecting the cable to prevent the
airbag working.
3. REMOVE LOWER FINISH PANEL (SEE PAGE
BO±89)
4. REMOVE SWITCH BASE
(a) Using a screwdriver, release the 3 claws and remover the
switch base.
HINT:
Tape up the screwdriver tip before use.
(b) Disconnect the connectors.

RS0BU±10
H23906
Front Airbag Sensor (LH)Front Airbag
Sensor (RH)Front Passenger
Airbag Assembly (RH)
Seat Belt
Pretensioner (RH)
Airbag Sensor Assembly Seat Belt Pretensioner (LH) Spiral CableCurtain Shield
Airbag Assembly (RH)
Side Airbag
Assembly (RH) (*1)
Side Airbag Sensor
Assembly (RH) (*1)
Side Airbag Assembly (LH) (*1) Side Airbag Sensor
Assembly (LH) (*1)
Curtain Shield Airbag
Assembly (LH) (*1)
Combination Meter
(Warning Light)
Steering Wheel Pad
(With Airbag)
Curtain Shield Airbag
Sensor Assembly (LH) (*1)
Curtain Shield Airbag
Sensor Assembly
(RH) (*1)RSCA OFF
Switch (*1)
Occupant Classification
ECU (*1)
(*1) w/ Side Airbag and Curtain Shield Airbag
± SUPPLEMENTAL RESTRAINT SYSTEMWIRE HARNESS AND CONNECTOR
RS±119
3402 Author: Date:
2005 SEQUOIA (RM1146U)
WIRE HARNESS AND CONNECTOR
LOCATION

RS0BV±08
RS±120
± SUPPLEMENTAL RESTRAINT SYSTEMWIRE HARNESS AND CONNECTOR
3403 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
HINT:
The SRS wire harness is integrated with the cowl wire harness assembly. The wires for the SRS wire harness
are encased in a yellow corrugated tube and all the connectors in the system except the seat position airbag
sensor connector and occupant classification ECU connectors, colored are yellow.
1. VEHICLE NOT INVOLVED IN COLLISION
Perform a diagnostic system check (see page DI±1147).
2. VEHICLE INVOLVED IN COLLISION
(a) Perform a diagnostic system check (see page DI±1147).
(b) Check breaks in all wires of the SRS wire harness, and exposed conductors.
(c) Check if the SRS wire harness connectors are cracked or chipped.

BE01E±12
± BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE±1
3405 Author: Date:
2005 SEQUOIA (RM1146U)
BODY ELECTRICAL SYSTEM
PRECAUTION
NOTICE:
When disconnecting the battery terminal, initialize the following system after the terminal is recon-
nected.
System NameSee Page
Back Door Power Window Control SystemBE±77
Take care to observe the following precautions when performing inspections or removal and replacement
of body electrical related parts.
1. LIGHTING SYSTEM
Halogen bulbs have pressurized gas inside and require special handling.
They may burst or shatter if scratched or the bulb is dropped. Hold a bulb only by its plastic or metal case.
Don't touch the glass part of a bulb with bare hands.
2. SRS (SUPPLEMENTAL RESTRAINT SYSTEM)
The SEQUOIA is equipped with an SRS (Supplemental Restraint System) such as the driver airbag. Failure
to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during
servicing, possibly leading to a serious accident. Before servicing (including removal and installation of parts,
inspection or replacement), be sure to read the precautions in the RS section (See page xx±xxx).
3. AUDIO SYSTEM
If the battery negative (±) terminal is disconnected, the preset AM, FM 1 and FM 2 stations stored in the
memory are erased, so be sure to make a memo of the stations and reset them after the battery terminal
is reconnected.
4. MOBILE COMMUNICATION SYSTEM
If the vehicle is equipped with a mobile communication system, refer to precautions in the IN section.