2003 LEXUS LS430 lock

Fig. 37: Removing Nuts On Upper Side Of Front Shock Absorber
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Let it down slowly to remove the bolt and front shock absorber with coil spring.
5.REMOVE SHOCK ABSORBER ASSY FRONT LH
a. Using SST, compress the front coil spring LH.
SST 09727-30021
b. Remove the lock nut.
c. Remove the suspension support, front suspension support assy, front coil spring insulator upper LH
and front coil spring LH.

f. Temporarily tighten a new lock nut.
8.TEMPORARILY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING
a. Temporarily install the front shock absorber with coil spring with a bolt and a nut.
Fig. 41: Installing Front Shock Absorber With Coil Spring

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Jack up the suspension lower arm assy slowly using a wood block to avoid damage.
c. Install front shock absorber with coil spring with 3 nuts.
Torque: 58 N.m (590 kgf.cm, 43 ft.lbf)

Fig. 42: Identifying Front Shock Absorber With Coil Spring Nuts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Fully tighten the lock nut.
Torque: 28 N.m (280 kgf.cm, 20 ft.lbf)

Fig. 43: Tightening Lock Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.INSTALL STEERING KNUCKLE LH
a. Install the steering knuckle to the upper arm assy with the castle nut.
Torque: 87 N.m (885 kgf.cm, 64 ft.lbf)
b. Install a new clip on the steering knuckle.
10.INSTALL FRONT STABILIZER LINK ASSY LH
a. Install the front stabilizer link assy LH and washer to the lower suspension arm assy with the nut.
Torque: 55 N.m (560 kgf.cm, 41 ft.lbf)

Fig. 44: Installing Front Stabilizer Link Assy LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
11.STABILIZE SUSPENSION
a. Install the front wheels.
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
b. Jack down the vehicle slowly until all the tires are on the ground.
c. Bounce the vehicle up and down several times to stabilize the suspension.
d. Remove the front wheels.
e. Jack up the suspension lower arm using a wood block to avoid damage.
12.FULLY TIGHTEN FRONT SHOCK ABSORBER WITH COIL SPRING
a. Fully tighten the front shock absorber with coil spring lower side bolt.
Torque: 157 N.m (1,600 kgf.cm, 116 ft.lbf)

b. Install a new cotter pin on the steering knuckle.
14.INSTALL FRONT AXLE HUB SUB-ASSY LH (See step 8 in REPLACEMENT
)
15.INSTALL FRONT DISC (See step 15 in OVERHAUL
)
16.INSTALL DISC BRAKE CYLINDER ASSY LH (See step 21 in OVERHAUL
)
17.INSTALL SKID CONTROL SENSOR WIRE (See step 11 in REPLACEMENT
)
18.INSTALL FRONT STABILIZER LINK ASSY LH (See REPLACEMENT
)
19.INSTALL FRONT WHEELS
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
20.CHECK ABS SPEED SENSOR SIGNAL (See TEST MODE PROCEDURE
)
REPLACEMENT
1.REMOVE FRONT WHEELS
2.REMOVE FRONT STABILIZER LINK ASSY LH
a. Support the suspension lower arm assy with a jack using a wood block to avoid damage.
b. Remove the bolt and nut to separate the front stabilizer link assy LH.
c. Remove the nut and front stabilizer link assy LH.

Fig. 3: System Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
COMMUNICATION LINE REFERENCE
1.FUEL LID OPENER SYSTEM COMPONENT
FUEL LID OPENER SYSTEM COMPONENT
SenderReceiverSignalCommunication Line
Driver Side J/B ECUTheft Warning ECUFuel lid opener switch
signalBEAN
Theft Warning ECULuggage Room J/B ECUFuel lid open output
request signalBEAN
Luggage Room J/B ECUMeter ECUFuel lid opener activation
signalBEAN
ComponentsFunction
Theft Warning ECUReceives door lock status data and other data using door system bus
(BEAN) and uses these data to judge if fuel lid can be opened or not. When
judgment is made that fuel lid can be opened, theft warning ECU outputs

INSPECTION PROCEDURE
1.INSPECT FUSE (MPX-B3, MPX-IG and AM1, D/C CUT)
a. Remove the MPX-B3 fuse from the passenger side J/B.
b. Remove the MPX-IG and AM1 fuse from the driver side J/B.
c. Remove the D/C CUT fuse from the FL block assy.
d. Measure the resistance.
Standard: Below 1 ohms
NG: REPLACE FUSE
OK: GO TO NEXT STEP
2.CHECK WIRE HARNESS (LUGGAGE ROOM J/B ECU - BATTERY AND BODY GROUND)
a. Disconnect the LA, LF and LL J/B, and L14 ECU connectors.
b. Measure the resistance and voltage of the wire harness side connectors.
Standard:
TESTER CONNECTION AND SPECIFIED CONDITION
Tester connectionConditionSpecified condition
LF-13 (MPX-IG) - Body groundIgnition switch ON10 to 14 V
LF-12 (MPX-B) - Body groundAlways10 to 14 V
LL-1 (L-O/C (P)) - Body groundAlways10 to 14 V
LA-5 (P-GND) - Body groundAlwaysBelow 1 ohms
L14-5 (SG) - Body groundAlwaysBelow 1 ohms