Lexus SC300 / Lexus SC400. Service manual — part 209

Parts Replacement – Headlight
(Headlight)

REPLACEMENT OF HEADLIGHT

1. REMOVE

HEADLIGHT

(a) Remove battery (LH) or disconnect negative termial (–)

from the battery (RH).

CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition switch is
turned to the ”LOCK” position and negative (–) terminal
cable is disconnected from the battery.
(b) Remove fender liner. (

BO–92

)

(c) Remove a screw and two nuts.
(d) Disconnect

connector.

(e) Remove headlight (Low Beam).
(f) Disconnect

connector.

(g) Remove front bumper. (

BO–12

)

(h) Remove the bolt.
(i) Remove headlight (High–Beam).

2. INSTALL

HEADLIGHT

For installation, follow the removed procedure in reverse.

–

BODY ELECTRICAL SYSTEM

Lighting System

BE–37

Parts Adjustment

Adjustment of Headlight Aim

1.

INSPECT HEADLIGHT AIM
Check the following items before inspection.

•

Be sure that the body around the headlight is not
deformed.

•

Park the vehicle on a level spot.

•

The driver gets into the driver’s seat and puts the vehicle
in state ready for driving (with a full tank).

•

Bounce the vehicle several times.

(Vertical Direction)
Check that the bubble of the gauge does not deviate from the
center of the gauge.
(Horizontal Direction)
Check that the red mark does not deviate from the center of
the gauge.
If the error is over the valve specified, adjust headlight aim.

2.

ADJUST HEADLIGHT AIM
(Vertical Direction)
Turn the bolt A and adjust the bubble of angle gauge to center
of the gauge.
HINT: The beam angle will change about 0

°

19’ with one mark.

(Horizontal Direction)
Turn the bolt B and adjust the mark of angle gauge to Center
of the gauge.

HINT: The beam angle will change about 0

°

38’ with one mark.

NOTICE: The beam angle gauge should only be used
when the headlights are correctly installed on the body.

BE–38

–

BODY ELECTRICAL SYSTEM

Lighting System

Parts Inspection – Headlight System
(Combination Switch Assembly)

REMOVAL OF COMBINATION SWITCH
ASSEMBLY

1.

REMOVAL FOLLOWING PARTS:
(See page

BO–112

)

•

No. 1 under cover

•

No. 1 lower finish Panel

NOTICE:

•

Turn the steering wheel and front wheels to the straight

ahead position.

•

Turn the ignition switch to the OFF position, then remove

the battery negative terminal.

2.

REMOVE STEERING WHEEL CENTER PAD
(a) Remove two covers.
(b) Using

torx driver or wrench, remove the four torx screws.

Torx wrench T30 (09042–00010)
Torx driver T30 (09041–00030)
(c) Remove center pad and disconnect connector.

3.

REMOVE STEERING WHEEL
(a) Remove the steering nut.
(b) Using SST, remove steering wheel.
SST 09213–31021

4.

REMOVE STEERING COLUMN COVER
Remove three screws and steering column covers.

–

BODY ELECTRICAL SYSTEM

Lighting System

BE–39

5.

REMOVE COMBINATION SWITCH ASSEMBLY
(a) Remove four screws.
(b) Disconnect

connectors.

(See page

BE–41

)

HINT: Since the airbag connector has a 2–stage lock, remove
the 1st stage lock, and disconnect the connector.
(c) Remove combination switch assembly from steering

column.

HINT: Pull the wire harness spool body to forward and re-
move wire harness spool body from steering column.

INSPECTION OF COMBINATION SWITCH

For installation, follow the removal procedure in reverse.

(MAIN POINT OF INSTALLATION)

1.

ADJUSTMENT OF SPIRAL CABLE
(a) Check that the front wheels are facing straight ahead.
(b) Turn the spiral cable counterclockwise by hand until it

becomes harder to turn the cable.

(c) Then rotate the spiral cable clockwise about 3 turns to

align the red mark.

HINT:

•

The spiral cable will rotate about 3 turns to either left or
right of the center.

•

The connector should be straight up.

(d) Install the steering wheel so that the match marks will

not be misaligned.

2.

INSTALL STEERING SET NUT

Torque: 35 N

⋅

m (360 kgf

⋅

cm, 26 ft

⋅

lbf)

3.

INSTALL STEERING WHEEL CENTER PAD
Torque the torx screws.

Torque: 7.1 N

⋅

m (75 kgf

⋅

cm, 62 in.lbf)

⋅

BE–40

–

BODY ELECTRICAL SYSTEM

Lighting System