Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 01 20547 intrpre
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01-5
INTRODUCTION - REPAIR INSTRUCTION
REPAIR INSTRUCTION
010L3-02
PRECAUTION
1. BASIC REPAIR HINT
(a) HINTS ON OPERATIONS
D30442
S Always wear a clean uniform.
1 Looks
S Hat and safety shoes must be worn.
2 Vehicle protection S Set a grill cover, fender cover, seat cover and floor mat before starting operation.
S When working with 2 or more persons, be sure to check the safety of one another.
S When working with the engine running, pay attention to providing ventilation for exhaust fumes in the work-
shop.
3 Safe operation S When working with high-temperatures, rotating, moving or vibrating parts, be careful not to burn or injure
yourself.
S When jacking up the vehicle, be sure to support the specified location with a safety stand.
S When lifting up the vehicle, use safety equipment.
Preparation of tools and
4 S Before starting repairs, prepare the tool stand, SST, gauge, oil, shop rag and parts for replacement.
measuring gauge
S Diagnose with a thorough understanding of the trouble condition and perform effective operation.
Removal and installation, S Before removing the parts, check the general condition of the assembly, and for deformation and damage.
5 disassembly and assem- S When the structure is complicated, take a notes or make matchmarks as not to make mistakes that affect
bly operations the function of the parts.
S Clean and wash the removed parts if necessary and assemble them after a thorough check.
S Place the removed parts in the correct order to avoid mixing them up or making them dirty.
S As for non-reusable parts such as gaskets, O-rings, and self-locking nuts, replace them with new ones
6 Removed parts
following the instructions in this manual.
S Organize the parts that were replaced in a box and show them to the customer.
Author : Date : 5
01-6
INTRODUCTION - REPAIR INSTRUCTION
(b) JACKING UP AND SUPPORTING VEHICLE
(1) Care must be taken when jacking up and supporting the vehicle. Be sure to lift and support the
vehicle at the proper locations (See page 01-22 ).
(c) PRECOATED PARTS
(1) Precoated parts such as bolts, nuts, etc., are
coated with a seal lock adhesive at the factory.
(2) If a precoated part is retightened, loosened or
caused to move in any way, it must be recoated with
the specified adhesive.
(3) When reusing precoated parts, clean off the old
Seal Lock Adhesive
adhesive and dry the part with compressed air.
Z11554 Then apply the specified seal lock adhesive to the
bolt, nut or threads.
NOTICE:
Check the torque with the lower limit value of the torque tol-
erance.
(4) Depending on the seal lock agent to be applied,
there may be cases where it is necessary to leave
it for a specified time until it hardens.
(d) GASKETS
(1) When necessary, use a sealer on gaskets to prevent leaks.
(e) BOLTS, NUTS AND SCREWS
(1) Carefully follow all the specifications for tightening torques. Always use a torque wrench.
Medium Current Fuse and High Current (f) FUSES
Fuse Equal Amperage Rating (1) When replacing fuses, be sure that a new fuse has
the correct amperage rating. DO NOT exceed the
rating, or use one with a lower rating.
BE1367
Illustration Symbol Part Name Abbreviation
FUSE FUSE
MEDIUM CURRENT FUSE M-FUSE
HIGH CURRENT FUSE H-FUSE
D27353
V35002
Author : Date : 6
01-7
INTRODUCTION - REPAIR INSTRUCTION
(g) CLIPS
(1) The removal and installation methods of typical clips used in body parts are shown in the table
below.
HINT:
If the clip is damaged during a procedure, always replace it with a new clip.
Shape (Example) Removal/Installation
Clip
Pliers
Clip Remover
Protective Tape
Screwdriver
Protective Tape
Scraper
D25786
Author : Date : 7
01-8
INTRODUCTION - REPAIR INSTRUCTION
Shape (Example) Removal/Installation
Removal Installation
Removal Installation
V00012
(h) REMOVAL AND INSTALLATION OF VACUUM HOSES
(1) To disconnect vacuum hoses, pull them by holding
the end, not the middle of the hose.
WRONG CORRECT
D25063
(2) When disconnecting vacuum hoses, use tags to
identify where they should be reconnected.
(3) After completing the job, double check that the vac-
uum hoses are properly connected. The label under
the hood shows the proper layout.
(4) When using a vacuum gauge, never force the hose
onto a connector that is too large. Use a step-down
adapter for adjustment. Once the hose has been
D25064 stretched, it may leak air.
Author : Date : 8
01-9
INTRODUCTION - REPAIR INSTRUCTION
(i) TORQUE WHEN USING TORQUE WRENCH WITH EX-
TENSION TOOL
L1 L2
(1) When the torque wrench is combined with SST or
an extension tool to extend the length, and you
tighten until the torque wrench reads the specified
torque value, the actual torque becomes excessive.
(2) In this manual, only the specified torque is de-
scribed. In case of using SST or extension tool, cal-
D02612 culate the reading of the torque wrench by the fol-
lowing formula.
(3) Formula T'=T x L2/(L1 + L2)
L1 L2 T' Reading of torque wrench {Nm (kgfcm, ftlbf)}
T Torque {Nm (kgfcm, ftlbf)}
L1 Length of SST or extension tool (cm)
L2 Length of torque wrench (cm)
D01201
2. FOR VEHICLES EQUIPPED WITH SRS AIRBAG AND SEAT BELT PRETENSIONER
HINT:
The SIENNA is equipped with an SRS (Supplemental Restraint System), which includes the driver airbag,
front passenger airbag, side airbag, curtain shield airbag and seat belt pretensioner.
Failure to carry out the service operations in the correct sequence could cause the supplemental restraint
system to unexpectedly deploy while servicing. This could cause a serious accident.
Furthermore, if a mistake is made when servicing the supplemental restraint system, it is possible that the
SRS will fail to operate when required. Before servicing (including removal or installation of parts, inspection
or replacement), be sure to read the following items carefully. Then follow the correct procedures described
in this manual.
(a) GENERAL NOTICE
(1) Malfunction symptoms of the supplemental restraint system are difficult to confirm so the diag-
nostic trouble codes become the most important source of information when troubleshooting.
When troubleshooting the supplemental restraint system, always check the diagnostic trouble
codes before disconnecting the battery (See page 05-758 ).
(2) Work must be started after 90 seconds from the time that the ignition switch is turned to the LOCK
position and the negative (-) terminal cable is disconnected from the battery.
(The supplemental restraint system is equipped with a back-up power source. So, if work is
started within 90 seconds after disconnecting the negative (-) terminal cable from the battery,
the SRS may deploy).
When the negative (-) terminal cable is disconnected from the battery, memory of the clock and
audio systems is cancelled. So, before starting work, make a record of the contents recorded
in each memory system. Then, when work is finished, reset the clock and audio systems as be-
fore.
Author : Date : 9
01-10
INTRODUCTION - REPAIR INSTRUCTION
(3) Even in the case of a minor collision where the SRS does not deploy, the horn button assembly
(See page 60-21 ), instrument panel passenger airbag assembly (See page 60-33 ), front seat
airbag assembly (See page 60-49 ), curtain shield airbag assembly (See page 60-43 ) and seat
belt pretensioner (See page 61-9 ) should be inspected.
(4) Never use the SRS related parts from another vehicle. When replacing the parts, replace them
with new parts.
(5) Before repairs, remove the airbag sensor if there is a possibility of shock during repairs.
(6) Never disassemble and repair the airbag sensor assembly, horn button assembly, instrument
panel passenger airbag assembly, front seat airbag assembly, curtain shield airbag assembly
or seat belt pretensioner.
(7) If the airbag sensor assembly, the side airbag sensor assembly, the horn button assembly, the
instrument panel passenger airbag assembly, the front seat airbag assembly or the curtain shield
airbag assembly have been dropped, or if there are cracks, dents or other defects in the case,
bracket or connector, replace them with new ones.
(8) Do not directly expose the airbag sensor assembly, the side airbag sensor assembly, the horn
button assembly, the instrument panel passenger airbag assembly, the front seat airbag assem-
bly, the curtain shield airbag assembly or the seat belt pretensioner to hot air or flames.
(9) Use a volt/ohmmeter with high impedance (10 k/V minimum) for troubleshooting electrical cir-
cuits.
(10) Information labels are attached to the SRS components. Follow the instructions on the notices.
(11) After work on the supplemental restraint system is completed, check the SRS warning light (See
page 05-780 ).
(b) SPIRAL CABLE (in Combination Switch)
(1) The steering wheel must be fitted correctly to the
steering column with the spiral cable at the neutral
position, otherwise cable disconnection and other
troubles may occur. Refer to page 60-28 of this
manual concerning the correct installation of the
steering wheel.
Mark
D30925
(c) HORN BUTTON ASSEMBLY (with Airbag)
(1) When removing the horn button assembly or handling a new horn button, it should be placed with
the top of the pad surface facing upward. Placing it with the pad surface facing downward may
lead to a serious accident if the airbag deploys for some reasons. Also, do not place anything
on the top of the horn button.
(2) Never measure the resistance of the airbag squib (This may cause the airbag to inflate, which
is very dangerous).
(3) Grease should not be applied to the horn button assembly and the pad should not be cleaned
with any type of detergent.
(4) Store the horn button assembly where the ambient temperature remains below 93◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo