Lexus SC300 / Lexus SC400. Manual — part 765

11. INSTALL TELESCOPIC SENSOR PLATE

Torque: 4.9 N

⋅

m (50 kgf

⋅

cm, 43 in.

⋅

lbf)

12. INSTALL LOWER DUST COVER
(a) Using a press, install the dust seal.

(b) Install the lower dust cover and clip.

13. INSTALL SLIDING YOKE

Align matchmarks and install the sliding yoke to the main
shaft.

Torque: 35 N

⋅

m (360 kgf

⋅

cm, 26 ft

⋅

lbf)

14. INSTALL IGNITION KEY CYLINDER ILLUMINATION

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SR–37

–MEMO–

SR–38

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ELECTRONIC CONTROL SYSTEM

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SR–39

DESCRIPTION

By operating the driving position memory and return switch the driver’s seat, steering wheel and outer mir-
ror are moved to their respective memorized positions.

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Function

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Tilt & Telescopic ECU

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Control the manual operation, return operation and memory and return operation for tilt
and telescopic of steering wheel.

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Auto Set Switch

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This switch is a main switch for the away operation of tilt and telescopic.

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Manual Switch

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This switch is an operation switch to operate tilt and telescopic manually. When one of tilt
up, tilt down, telescopic Extension and telescopic Contraction is operated, steering wheel
will be able to set on the optional position within the extent of operating.

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Driving Position

Memory and

Return Switch

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Operating this switch makes return operation that driver seat steering wheel and outer mirror
are set on the memorized position working together power seat and outer mirror.

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Position Sensor

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Tilt position sensor detect an amount of tilt and input it to ECU.
Telescopic position sensor detect an amount of slide and input it to ECU.

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Motor

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There is a tilt motor and telescopic motor respectively. These are operated by a signal from
the ECU.

SR–40

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