sensor LEXUS LS430 2003 Factory Repair Manual

OK: GO TO NEXT STEP
3.CHECK DRIVER SEAT ECU (SENSOR POWER SOURCE VOLTAGE)
a. Turn the ignition switch ON.
b. Measure the voltage of the ECU connector.
Standard:
TESTER CONNECTION AND SPECIFIED CONDITION
Fig. 26: Identifying D28 Driver Seat ECU Connector Terminals

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPLACE DRIVER SEAT ECU
OK: GO TO NEXT STEP
Tester connectionSpecified condition
D28-16 (PVCC) - Body ground8V

4.CHECK POWER SEAT POSITION SENSOR
a. Turn the ignition switch ON.
b. Measure the voltage of the ECU connector.
Standard:
TESTER CONNECTION AND SPECIFIED CONDITION
HINT:
Check the power seat position sensors that are malfunctioning.
Run the motors and check that the voltage readings vary within the "specified condition" shown in the
chart above.
*: If the result is not as specified proceed to steps indicated in this column.
Tester ConnectionSpecified ConditionWhen NG, proceed to*
D28-7 (SSRH) - D28-1 (GND)Varies between 0 to 8 VA
D28-13 (SSRR) - D28-1 (GND)Varies between 0 to 8 VB
D28-6 (SSRV) - D28-1 (GND)Varies between 0 to 8 VB
D28-5 (SSRS) - D28-1 (GND)Varies between 0 to 8 VB
D28-15 (SSRC) - D28-1 (GND)Varies between 0 to 8 VB
D28-14 (SSFV) - D28-1 (GND)Varies between 0 to 8 VB

g. Perform the zero point calibration of yaw rate and deceleration sensor (see CALIBRATION ).
5.INSPECT WHEEL ANGLE
a. Turn the steering wheel fully left and right to measure the turning angle.
Wheel turning angle:
WHEEL TURNING ANGLE TABLE
Fig. 10: Inspecting Wheel Angle

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
If the right and left inside wheel angles differ from the specified value, check and adjust the right and left
rack end lengths.
6.INSPECT CAMBER, CASTER AND STEERING AXIS INCLINATION
Inside wheel42° 10' (42.2°)
Outside wheel: Reference36° 15' (36.3°)

Fig. 18: Removing Absorber Control Actuator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.REMOVE HEIGHT CONTROL SENSOR SUB-ASSY FRONT LH
5.SEPARATE FRONT STABILIZER LINK ASSY LH
a. Support the suspension lower arm with a jack using a wood block to avoid damage.
b. Remove the nut and washer and separate the stabilizer link assy LH.

Fig. 27: Installing Front Stabilizer Link Assy LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
12.INSTALL HEIGHT CONTROL SENSOR SUB-ASSY FRONT LH
13.INSTALL ABSORBER CONTROL ACTUATOR
a. Check that the rod position is as shown.

Fig. 46: Disposing Shock Absorber Assy Front LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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.SEPARATE SKID CONTROL SENSOR WIRE
a. Remove the 2 bolts and separate the skid control sensor wire.

Fig. 47: Separating Skid Control Sensor Wire
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3.REMOVE PNEUMATIC FRONT LH W/SHOCK ABSORBER CYLINDER ASSY (AIR
SUSPENSION) (See REPLACEMENT
)
4.REMOVE FRONT SHOCK ABSORBER WITH COIL SPRING (COIL SPRING) (See
REPLACEMENT
)
5.SEPARATE STEERING KNUCKLE LH
a. Remove the clip and castle nut.
b. Using SST, separate the upper ball joint from the steering knuckle LH.
SST 09628-62011

Fig. 51: Installing Front Suspension Upper Arm Assy LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.INSTALL STEERING KNUCKLE LH
a. Install the steering knuckle LH to the upper arm assy with the castle nut.
Torque: 87 N.m (885 kgf.cm, 64 in.lbf)
b. Install a new clip on the steering knuckle.
10.INSTALL PNEUMATIC FRONT LH W/SHOCK ABSORBER CYLINDER ASSY (AIR
SUSPENSION) (See REPLACEMENT
)
11.INSTALL FRONT SHOCK ABSORBER WITH COIL SPRING (COIL SPRING) (See
REPLACEMENT
)
12.INSTALL SKID CONTROL SENSOR WIRE
13.INSTALL FRONT WHEELS
Torque: 103 N.m (1,050 kgf.cm, 76 in.lbf)
14.ADJUST VEHICLE HEIGHT (See ON
-VEHICLE INSPECTION )
15.ADJUST FRONT WHEEL ALIGNMENT (See ADJUSTMENT
)

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 LOWER BALL JOINT ASSY FRONT LH (See LOWER BALL JOINT ASSY FRONT
LH REPLACEMENT )
3.SEPARATE HEIGHT CONTROL SENSOR LINK SUB-ASSY FRONT
a. Remove the nut and separate the height control sensor link sub-assy front.
Fig. 52: Separating Height Control Sensor Link Sub
-Assy Front
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.REMOVE FRONT SUSPENSION LOWER ARM ASSY LH

<0029004c004a0011000300190016001d0003002c0047004800510057004c0049005c004c0051004a00030036004b00520046004e0003002400450056005200550045004800550003002400560056005c000300250052004f00570003002400510047000300
3100580057[
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
8.INSTALL HEIGHT CONTROL SENSOR LINK SUB-ASSY FRONT (AIR SUSPENSION)
a. Install the height control sensor link sub-assy front with the nut.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)