Lexus GS300/400 (2000 year). Service manual — part 237

RS087–02

H03719

Column Upper Cover

Spiral Cable

Column Lower Cover

Steering Wheel

Steering Wheel Pad

35 (360, 26)

8.8 (90, 78 in.·lbf)

: Specified torque

N·m (kgf·cm, ft·lbf)

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

RS–13

2244

STEERING WHEEL PAD AND SPIRAL CABLE

COMPONENTS

RS088–01

RS–14

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

2245

REMOVAL

REMOVE STEERING WHEEL AND SPIRAL CABLE (See page

SR–11

)

RS089–02

H04699

H02587

H03708

Horn Button Contact Plate

H04699

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

RS–15

2246

INSPECTION

1.

VEHICLES NOT INVOLVED IN COLLISION

(a)

Do a diagnostic system check.
(See page

DI–552

)

(b)

Do a visual check which includes the following items with
the steering wheel pad (with airbag) installed in the ve-
hicle.
Check cuts, minute cracks or marked discoloration on the
steering wheel pad top surface and in the grooved por-
tion.

2.

VEHICLE INVOLVED IN COLLISION AND AIRBAG IS
NOT DEPLOYED

(a)

Do a diagnostic system check.
(See page

DI–552

)

(b)

Do a visual check which includes the following items with
the steering wheel pad (with airbag) removed from the ve-
hicle.

Check for cuts, minute cracks or marked discolor-
ation on the steering wheel pad top surface and in
the grooved portion.

Check for cuts and cracks in wire harness, and chip-
ping in connectors.

Check for the deformation of the horn button con-
tact plate of the steering wheel.

HINT:

If the horn button contact plate of the steering wheel is de-
formed, never repair it. Always replace the steering wheel
assembly with a new one.

There should be no interference between the steering
wheel pad and steering wheel, and the clearance should
be uniform all the way around when the new steering
wheel pad is installed on the steering wheel.

CAUTION:
For removal and installation of the steering wheel pad, see
the SR section and be sure to follow the correct procedure.

RS–16

–

SUPPLEMENTAL RESTRAINT SYSTEM

STEERING WHEEL PAD AND SPIRAL CABLE

2247

3.

VEHICLE INVOLVED IN COLLISION AND AIRBAG IS
DEPLOYED

(a)

Do a diagnostic system check.
(See page

DI–552

)

(b)

Do a visual check which includes the following items with
the steering wheel pad (with airbag) removed from the ve-
hicle.

Check for the deformation on the horn button con-
tact plate of the steering wheel.

Check for the damage on the spiral cable connector
and wire harness.

HINT:

If the horn button contact plate of the steering wheel is de-
formed, never repair it. Always replace the steering wheel
assembly with a new one.

There should be no interference between the steering
wheel pad and steering wheel, and the clearance should
be uniform all the way around when the new steering
wheel pad is installed on the steering wheel.