1991 LEXUS SC400 Service Repair Manual

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Page 497 of 4087

LEXUS SC400 1991 Service Repair Manual
ANTI±RUST TREATMENT
Anti±rust treatment used on the vehicle body includes body
sealer, undercoat, rust inhibitor and paint.
HINT: Refer to the Body Collision Damage Repair Manual
for details of whi

Page 498 of 4087

LEXUS SC400 1991 Service Repair Manual
CLIPS
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 the operation, always
replace it with a new clip.
Shap

Page 499 of 4087

LEXUS SC400 1991 Service Repair Manual
CLIPS (Contd)
Shape (Example)Removal/Installation
±
BODY General InformationBO±5
WhereEverybodyKnowsYourName

Page 500 of 4087

LEXUS SC400 1991 Service Repair Manual
HOW TO USE THIS SECTION
Components
When the removal and reassembly of a second system is
also required in order to remove and disassemble a certain
system, the components are laid out in the componen

Page 501 of 4087

LEXUS SC400 1991 Service Repair Manual
2. When the components of the second system whichneed to be removed are few in number and can be
removed as a unit:
An abbreviated diagram of the parts and the name of the se-
cond system are includ

Page 502 of 4087

$LEXUS SC400 1991 Service Repair Manual SRS AIRBAG (See page AB±2) The LEXUS SC300 is equipped with an SRS (Supplemental Restraint System)\ airbag. Failure to carry out service operations in the correct sequence could cause the airbag sy$

SRS AIRBAG
(See page AB±2)
The LEXUS SC300 is equipped with an SRS (Supplemental Restraint System)\
airbag.
Failure to carry out service operations in the correct sequence could cause the airbag system to deploy,
possibly leading to a serious accident.
When removal or installation of airbag parts and the yellow wire harness\
and connector for the airbag is
necessary, refer to the precautionary notices in the AB section before performing\
the operation.
Work must be started after 20 seconds or longer from the time the ignition switch is set to the LOCK
position and the negative (±) terminal cable is disconnected from the batte\
ry.
(The airbag system is equipped with a back±up power source so that if wor\
k is started within 20 se-
conds of disconnecting the negative (±) terminal cable of the batte\
ry, the airbag may be deployed.
To avoid erasing the memory of each memory system, never use a back±up power supply from
outside the vehicle.
Before repairs, remove the airbag sensors if shocks are likely to be applied t\
o the sensors during
repaires.
The front airbag sensor set bolt has been anti±rust treated. When the\
sensor is removed, always
replace the set bolt with a new one.
If the front airbag sensors, center airbag sensor or steering wheel pad ha\
ve been dropped, or if there
are cracks, dents or other defects in the case, bracket or connector, replace them with new ones.
Never use airbag parts from another vehicle. When replacing parts, repla\
ce them with new parts.
Do not expose the front airbag sensors, center airbag sensor or steering w\
heel pad directly to hot air
or flames.
The airbag system's wire harness is integrated with the cowl wire harness assembly. The wires for the
airbag wire harness are encased in a yellow corrugated tube. All the connector\
s for the system are
also a standard yellow color. If the airbag system wire harness becomes disconnected or the
connector becomes broken due to an accident, etc., repair or replace it as shown \
on page AB±20.
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 result. \
Refer to page AB±14 of this
manual concerning correct steering wheel installation.
When removing the steering wheel pad or handling a new steering wheel pad, i\
t should be placed with
the pad top surface facing up. In this case, the twin±lock type connector lock lever should be in the
locked state and care should be taken to place it so the connector will not be damaged. (\
Storing the
pad with its metallic surface up may lead to a serious accident if the a\
irbag inflates for some reason.)
Grease should not be applied to the steering wheel pad and the pad should not \
be cleaned with
detergents of any kind.
Store the steering wheel pad where the ambient temperature remains below 93 C (200 F), without
high humidity and away from electrical noise.
Information labels are attached to the periphery of the airbag component\
s. Follow the notices.
When the ignition switch is at ACC or ON and the airbag warning light remains on, the cent\
er airbag
sensor assembly has detected a malfunction code. (See page AB±30).
BO±8
±
BODY General Information
WhereEverybodyKnowsYourName

Page 503 of 4087

LEXUS SC400 1991 Service Repair Manual
PREPARATION
EQUIPMENT
Part NameNote
Clip remover±
Torque wrench±
Hexagon wrench±
Torx driver±
Hog ring pliers±
TapeFor applying to the tip of the tools to avoid scratching parts or
painted surfa

Page 504 of 4087

LEXUS SC400 1991 Service Repair Manual
SSM (SPECIAL SERVICE MATERIALS)
Part NamePart No.Use etc.
Windshield glass adhesive set No. 1508850±00070
Contents of set:Main agent 500 g (17.64 oz.)
Hardening agent 75 g (2.65 oz.)
Windshield glas

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