2003 LEXUS LS430 Rear suspension

Fig. 85: Aligning Matchmarks
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
33.INSTALL REAR TIRE
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
34.ADJUST VEHICLE HEIGHT (W/ AIR SUSPENSION) (See ON
-VEHICLE INSPECTION )
35.INSPECT HEADLIGHT AIM ONLY (See ADJUSTMENT
)
36.INSPECT AND ADJUST REAR WHEEL ALIGNMENT (See ADJUSTMENT
)
37.CHECK ABS SPEED SENSOR SIGNAL (See TEST MODE PROCEDURE
)
REPLACEMENT
HINT:
See COMPONENTS

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4800110003[

Fig. 88: Removing Shock Absorber Assy Rear LH Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
17.SEPARATE REAR SUSPENSION ARM ASSY NO. 1 LH
a. Remove the nut.
b. Using SST, disconnect the suspension arm assy No. 1 from the rear axle carrier.
SST 09628-0001 1

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55005200500003003500480044005500030024005b004f0048[ Carrier
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
18.SEPARATE REAR SUSPENSION ARM ASSY NO. 2 LH
a. Remove the nut.
b. Using SST, disconnect the suspension arm assy No. 2 LH from the rear axle carrier.
SST 09628-00011

Fig. 95: Identifying Upper Control Arm Assy Rear LH Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
26.INSTALL REAR SUSPENSION ARM ASSY NO. 2 LH
a. Install the rear suspension arm assy No. 2 LH with the new nut.
Torque: 70 N.m (714 kgf.cm, 52 ft.lbf)

Fig. 96: Installing Rear Suspension Arm Assy No. 2 LH Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
27.INSTALL REAR SUSPENSION ARM ASSY NO. 1 LH
a. Install the rear suspension arm assy No. 1 LH with the new nut.
Torque: 70 N.m (714 kgf.cm, 52 ft.lbf)

Fig. 97: Identifying Rear Suspension Arm Assy No. 1 LH Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
28.TEMPORARILY TIGHTEN SHOCK ABSORBER ASSY REAR LH
a. Temporaril
y tighten the shock absorber assy rear LH with the new nut.

42.ADJUST PARKING BRAKE PEDAL TRAVEL (See step 5 on ADJUSTMENT )
43.INSTALL SPEED SENSOR REAR LH
a. Install the speed sensor with the bolt.
Torque: 8.0 N.m (82 kgf.cm, 71 in.lbf)
44.INSTALL REAR DISC (See step 16 on OVERHAUL
)
45.ADJUST PARKING BRAKE SHOE CLEARANCE (See step 21 on OVERHAUL
)
46.INSTALL REAR DISC BRAKE CALIPER ASSY LH (See step 20 on REPLACEMENT
)
47.INSTALL REAR AXLE SHAFT NUT (See REPLACEMENT
)
48.INSPECT AXLE HUB BEARING LOOSENESS (See ON
-VEHICLE INSPECTION )
49.INSPECT AXLE HUB BEARING RUNOUT (See ON
-VEHICLE INSPECTION )
50.STABILIZE SUSPENSION (See step 23 on REPLACEMENT
)
51.FULLY TIGHTEN SHOCK ABSORBER ASSY REAR LH
a. Fully tighten the shock absorber assy LH with the new nut.
Torque: 70 N.m (714 kgf.cm, 52 ft.lbf)
52.INSTALL REAR TIRE
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
53.ADJUST VEHICLE HEIGHT (W/ AIR SUSPENSION) (See ON
-VEHICLE INSPECTION )
54.INSPECT HEADLIGHT AIM ONLY (See ADJUSTMENT
)
55.INSPECT AND ADJUST REAR WHEEL ALIGNMENT (See ADJUSTMENT
)
56.CHECK ABS SPEED SENSOR SIGNAL (See TEST MODE PROCEDURE
)
REPLACEMENT
HINT:
See COMPONENTS
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1.REMOVE REAR TIRE
2.REMOVE REAR DISC BRAKE CALIPER ASSY LH (See REPLACEMENT
)
3.REMOVE REAR DISC (See step 15 on OVERHAUL
)
4.REMOVE REAR AXLE LH HUB BOLT
a. Using SST and a screwdriver or an equivalent to hold, remove the hub bolt.
SST 09628-10011

DYNAMIC RADAR CRUISE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
DOOR CLOSER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
ELECTRONIC AIR SUSPENSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
DTC U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR MODULE
DTC U0123 LOST COMMUNICATION WITH YAW RATE SENSOR MODULE
DTCDescription
DTC P0500, DTC P0503 VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION
DTC P0571 STOP LIGHT SWITCH CIRCUIT MALFUNCTION
DTC P0607 INPUT SIGNAL CIRCUIT MALFUNCTION
DTC P1615, DTC U1101 COMMUNICATION ERROR FROM DISTANCE CONTROL ECU
TO ECM
DTC P1616, DTC U0100 COMMUNICATION ERROR FROM ECM TO DISTANCE
CONTROL ECU
DTC P1617 DISTANCE CONTROL ECU MALFUNCTION
DTC P1630, DTC U0122 COMMUNICATION ERROR FROM VSC TO ECM
DTC P1631, DTC U0100 COMMUNICATION ERROR FROM ECM TO VSC
DTC P1575 WARNING BUZZER MALFUNCTION
DTC P1578 BRAKE SYSTEM MALFUNCTION
DTC U0235 LOST COMMUNICATION WITH CRUISE CONTROL FRONT
DISTANCE RANGE SENSOR
DTC U1102 LOST COMMUNICATION WITH RADAR SENSOR
DTC P1572 IMPROPER AIMING OF RADAR SENSOR BEAM AXIS
DTC U0126 LOST COMMUNICATION WITH STEERING ANGLE SENSOR
MODULE
DTC U0123 LOST COMMUNICATION WITH YAW RATE SENSOR MODULE
DTCDescription
DTC B2211 DOOR CLOSER MOTOR MALFUNCTION ON DRIVER SIDE DOOR
DTC B2212 DOOR CLOSER MOTOR MALFUNCTION ON PASSENGER SIDE DOOR
DTC B2213 DOOR CLOSER MOTOR MALFUNCTION ON REAR RIGHT SIDE
DOOR
DTC B2214 DOOR CLOSER MOTOR MALFUNCTION ON REAR LEFT SIDE DOOR
DTCDescription
DTC C1711, DTC C1712, DTC C1713, DTC RIGHT FRONT HEIGHT CONTROL SENSOR