2003 LEXUS LS430 clock

Fig. 45: Checking Operation Of Slide Motor
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b. Check operation of the vertical motor.
1. Check if the motor rotates smoothly when the battery is connected to the vertical motor
connector terminals.
OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
Measurement ConditionSpecified Condition
Battery positive (+) --> 1 Battery negative (-) --> 2Counterclockwise

If the result is not as specified, replace the vertical motor.
Fig. 46: Checking Operation Of Vertical Motor

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c. Check operation of the lifter motor.
1. Check if the motor rotates smoothly when the battery is connected to the lifter motor
connector terminals.
OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
Battery positive (+) --> 2 Battery negative (-) --> 1Clockwise
Measurement ConditionSpecified Condition

If the result is not as specified, replace the lifter motor.
Fig. 47: Checking Operation Of Lifter Motor

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d. Check operation of the reclining motor.
1. Check if the motor rotates smoothly when the battery is connected to the reclining motor
connector terminals.
OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
Battery positive (+) --> 1 Battery negative (-) --> 2Counterclockwise
Battery positive (+) --> 2 Battery negative (-) --> 1Clockwise

If the result is not as specified, replace the reclining motor.
Fig. 48: Checking Operation Of Reclining Motor

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e. Check operation of the cushion slide motor.
1. Check if the motor rotates smoothly when the battery is connected to the cushion slide motor
connector terminals.
Measurement ConditionSpecified Condition
Battery positive (+) --> 1 Battery negative (-) --> 2Counterclockwise
Battery positive (+) --> 2 Battery negative (-) --> 1Clockwise

OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
If the result is not as specified, replace the cushion slide motor.
Fig. 49: Checking Operation Of Cushion Slide Motor

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8.INSPECT POWER SEAT MOTOR (LUMBAR SUPPORT)
a. Check operation of the lumbar support adjuster motor.
1. Check if the motor rotates smoothl
y when the battery is connected to the lumbar support
Measurement ConditionSpecified Condition
Battery positive (+) --> 1 Battery negative (-) --> 2Counterclockwise
Battery positive (+) --> 2 Battery negative (-) --> 1Clockwise

adjuster motor connector terminals.
OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
If the result is not as specified, replace the adjuster motor.
Fig. 50: Checking Operation Of Lumbar Support Adjuster Motor

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9.INSPECT POWER SEAT MOTOR (HEADREST)
a. Check operation of the headrest motor.
1. Check if the motor rotates smoothly when the battery is connected to the headrest motor
connector terminals.
Measurement ConditionSpecified Condition
Battery positive (+) --> 1 Battery negative (-) --> 2Clockwise
Battery positive (+) --> 2 Battery negative (-) --> 1Counterclockwise

OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
If the result is not as specified, replace the headrest motor.
Measurement ConditionSpecified Condition
Battery positive (+) --> 5 (DOWN) Battery negative (-) --> 1 (UP)Clockwise
Battery positive (+) --> 1 (UP) Battery negative (-) --> 5 (DOWN)Counterclockwise

REPLACEMENT
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1.REMOVE FRONT WHEELS
2.REMOVE FRONT SHOCK ABSORBER CAP LH
a. Remove the 3 nuts and front shock absorber cap LH.
Fig. 17: Removing Front Shock Absorber Cap LH

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3.REMOVE ABSORBER CONTROL ACTUATOR
a. Disconnect the connector.
b. Turn the absorber control actuator counter clockwise 40° and remove it in an upward direction.