2003 LEXUS LS430 Identifying ac

Fig. 3: Identifying Front Suspension Components & Replacements (1 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 4: Identifying Front Suspension Components & Replacements (2 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 5: Identifying Front Suspension Components & Replacements (3 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 6: Identifying Front Suspension Components & Replacements (4 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
ADJUSTMENT
1.INSPECT TIRE (See INSPECTION
)
2.MEASURE VEHICLE HEIGHT
Vehicle height:

Fig. 26: Identifying Suspension Support And Pneumatic Front LH W/Shock Absorber
Cylinder
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Connect the air tube to the pneumatic front LH w/shock absorber cylinder assy.
e. Connect the connector No. 1 and install the cover (see PRECAUTION
).
11.INSTALL FRONT STABILIZER LINK ASSY LH
a. Install the front stabilizer link assy LH and washer with a nut.
Torque: 55 N.m (560 kgf.cm, 41 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)

1.CHECK DRIVER SIDE J/B (DRIVER SIDE J/B ECU)
Fig. 6: Identifying Terminals Of ECU
- Driver Side J/B (Driver Side J/B ECU)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the DA and DG J/B, and D5 and D6 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
Standard:

Fig. 9: Identifying Terminals Of ECU - Luggage Room J/B Assy (Luggage Room J/B ECU)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the LA, LF and LL J/B, and L12 and L14 ECU connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
Standard:
TERMINAL DESCRIPTION AND SPECIFIED CONDITION
Symbols (Terminal
No.)
Wiring Color
Terminal
Description
Condition
Specified
Condition
MPX-B (LF-12) -
Body groundSB - Body
ground+B (MPX-B) power
supplyAlways10 to 14 V
MPX-IG (LF-13) -
Body groundL - Body ground+B (MPX-IG)
power supplyIgnition switch 1:
OFF --> 2: ON1: Below 1 V -->
2: 10 to 14 V
HIC (LL-1) - Body
groundB-W - Body
ground+B (MPX-B) power
supplyAlways10 to 14 V
P-GND (LA-5) -
Body groundW-B - Body
groundGroundAlwaysBelow 1 ohms
SG (L14-5) - Body
groundW-B - Body
groundGroundAlwaysBelow 1 ohms