Suspension control LEXUS LS430 2003 Factory Repair Manual

Fig. 64: Installing Height Control Sensor Link Sub-Assy Front (Air Suspension)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.INSTALL LOWER BALL JOINT ASSY FRONT LH (See LOWER BALL JOINT ASSY FRONT
LH REPLACEMENT )
10.STABILIZE SUSPENSION (See REPLACEMENT
or REPLACEMENT )
11.FULLY TIGHTEN FRONT SUSPENSION LOWER ARM ASSY LH
a. Fully tighten the nut.
Torque: 137 N.m (1,395 kgf.cm, 101 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: Identifying Fusible Link Block Components
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fusible Link Block Fuses
FuseSystem
5AALT-SCharging
30AABS 1Dynamic Radar/Laser Cruise Control System
Tire Pressure Warning System
TRAC
VSC
30ABATTEngine Control
Engine Immobilizer System (w/o Smart Key System)
SRS
Starting and Ignition
30ASTElectronically Controlled Transmission and A/T Indicator
Engine Control
Starting and Ignition
40AAIRBUSElectronic Modulated Air Suspension
40ADEFOGRear Window Defogger
50AABS 2ABS
Dynamic Radar/Laser Cruise Control System
Tire Pressure Warning System
TRAC
VSC
50AFANRadiator Fan
50AHEATERAutomatic Air Conditioning (Front)
60ALUG J/BAudio System
Automatic Light Control
Back-Up Light
Climate Control Seat (Rear)
Clock (w/ LEXUS Navigation System)
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Dynamic Radar/Laser Cruise Control System
Interior Light
Key Reminder (w/ Smart Key System)
LEXUS Navigation System
LEXUS Parking Assist (Clearance Sonar)
LEXUS Parking Assist (Clearance Sonar)
Light Auto Turn Off System
Multiplex Communication System (BEAN - Steering Column Bus)
Pre-Collision Safety System
Rear Air Conditioning
Smart Key System
Stop Light
Taillight

5AD B/ANCMultiplex Communication System (BEAN - Steering Column Bus)
Power Shoulder Belt Anchorage
5ASTOPABS
Cruise Control
Dynamic Radar/Laser Cruise Control System
Electronic Modulated Air Suspension
Electronically Controlled Transmission and A/T Indicator
Engine Control
Multiplex Communication System (BEAN - Steering Column Bus)
Power Seat (Rear Passenger's Seat)
Shift Lock
Stop Light
Tire Pressure Warning System
TRAC
VSC
Wiper and Washer
7.5AABS-IGABS
Adaptive Front-Lighting System
Dynamic Radar/Laser Cruise Control System
Electronic Modulated Air Suspension
PPS
Pre-Collision Safety System
Tire Pressure Warning System
TRAC
VSC
7.5AA/CAutomatic Air Conditioning (Front)
Rear Air Conditioning
7.5AAM1Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
7.5AD-ACCDoor Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Key Reminder (w/ Smart Key System)
Multiplex Communication System (BEAN - Door Bus)
Multiplex Communication System (BEAN Bus)
Power Window
Remote Control Mirror
Shift Lock
Smart Key System
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Wireless Door Lock Control (w/ Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)
7.5AGAUGEABS
Adaptive Front-Lighting System
Audio System
Automatic Air Conditioning (Front)
Charging

Clock (w/ LEXUS Navigation System)
Combination Meter
Cruise Control
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Dynamic Radar/Laser Cruise Control System
Electric Tension Reducer
Electronic Modulated Air Suspension
Electrically Controlled Transmission and A/T Indicator
Engine Control
Front Fog Light
Headlight
Illumination
Interior Light
Key Reminder (w/ Smart Key System)
Key Reminder (w/o Smart Key System)
LEXUS Navigation System
LEXUS Parking Assist (Clearance Sonar)
LEXUS Parking Assist (Rear View Monitor)
Luggage Compartment Door Opener and Closer
Moon Roof
Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
PPS
Pre-Collision Safety System
Rear Air Conditioning
Seat Belt Warning
Shift Lock
Smart Key System
SRS
Taillight
Theft Deterrent (w/ Smart Key System)
Tire Pressure Warning System
TRAC
VSC
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
7.5AMPX-IGAdaptive Front-Lighting System
Automatic Air Conditioning (Front)
Automatic Light Control
Door Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Front Fog Light
Headlight
Illumination
Key Reminder (w/ Smart Key System)
Light Auto Turn Off System
Mirror Heater

Multiplex Communication System (BEAN - Door Bus)
Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
Multiplex Communication System (BEAN Bus)
Power Seat (Driver's Seat)
Power Shoulder Belt Anchorage
Power Tilt and Power Telescopic
Power Window
Rear Air Conditioning
Remote Control Mirror
Smart Key System
Taillight
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Turn Signal and Hazard Warning Light
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)
7.5AOBDABS
Cruise Control
Dynamic Radar/Laser Cruise Control System
Electronic Modulated Air Suspension
Electronically Controlled Transmission and A/T Indicator
Engine Control
Pre-Collision Safety System
Tire Pressure Warning System
TRAC
VSC
7.5APANELClock (w/o LEXUS Navigation System)
Illumination
Multiplex Communication System (BEAN - Steering Column Bus)
7.5ASECURITYDoor Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Garage Door Opener
Horn
Interior Light
Key Reminder (w/ Smart Key System)
Multiplex Communication System (BEAN - Door Bus)
Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
Power Window
Smart Key System
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Wireless Door Lock Control (w/ Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)
10AD RR-IGVibration Seat

PASSENGER SIDE JUNCTION BLOCK
Fig. 7: Identifying Passenger Side Junction Block Components (Fuses)

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
15AD S/HTRClimate Control Seat (Front)
Seat Heater (Front)
15AD-CIGCigarette Lighter and Power Outlet
15APWR OUTLETCigarette Lighter and Power Outlet
20AAIRBUSElectronic Modulated Air Suspension
20ATI&TEPower Tilt and Power Telescopic
30AD P/SEATPower Seat (Driver's Seat)

FuseSystem
5AP B/ANCMultiplex Communication System (BEAN - Instrument Panel Bus)
Power Shoulder Belt Anchorage
7.5AAM2Electronically Controlled Transmission and A/T Indicator
Engine Control
Engine Immobilizer System (w/ Smart Key System) and Steering Lock
System
Engine Immobilizer System (w/o Smart Key System)
SRS
Starting and Ignition
Steering Lock System
7.5AH-LP LVLAdaptive Front-Lighting System
7.5AMPX-B1Door Lock Control and Door Closer (w/ Smart Key System)
Door Lock Control and Door Closer (w/o Smart Key System)
Engine Immobilizer System (w/ Smart Key System) and Steering Lock
System
Engine Immobilizer System (w/o Smart Key System)
Key Reminder (w/ Smart Key System)
Mirror Heater
Multiplex Communication System (BEAN - Door Bus)
Power Seat (Driver's Seat)
Power Seat (Rear Passenger's Seat)
Power Shoulder Belt Anchorage
Power Window
Remote Control Mirror
Smart Key System, Theft Deterrent, , Door Lock Control, Door Closer
and Wireless Door Lock Control (w/ Smart Key System)
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Vibration Seat
Wireless Door Lock Control (w/ Smart Key System)
Wireless Door Lock Control (w/o Smart Key System)
7.5AMPX-B2ABS
Adaptive Front-Lighting System
Audio System
Automatic Air Conditioning (Front)
Charging
Clock (w/ LEXUS Navigation System)
Combination Meter
Cruise Control
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Dynamic Radar/Laser Cruise Control System
Electronic Modulated Air Suspension
Electronically Controlled Transmission and A/T Indicator
Engine Control
Front Fog Light

Automatic Air Conditioning (Front)
Clock (w/ LEXUS Navigation System
Clock (w/o LEXUS Navigation System)
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
Rear Air Conditioning
7.5AP-IGAutomatic Air Conditioning (Front)
Automatic Glare-Resistant EC Mirror
Climate Control Seat (Front)
Clock (w/ LEXUS Navigation System
Clock (w/o LEXUS Navigation System)
Electric Tension Reducer
Key Reminder (w/o Smart Key System)
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
Moon Roof
Multiplex Communication System (BEAN - Door Bus)
Multiplex Communication System (BEAN - Instrument Panel Bus)
Rear Air Conditioning
Seat Belt Warning
Seat Heater (Front)
Wiper and Washer
7.5ARADIO NO.1Audio System
Clock (w/ LEXUS Navigation System
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
7.5ASTR LOCKEngine Immobilizer System (w/ Smart Key System)
Steering Lock System
7.5ATELAudio System
Clock (w/ LEXUS Navigation System
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
10ADOMEABS
Adaptive Front-Lighting System
Audio System
Automatic Air Conditioning (Front)
Charging
Clock (w/ LEXUS Navigation System)
Clock (w/o LEXUS Navigation System)
Combination Meter
Cruise Control
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Dynamic Radar/Laser Cruise Control System
Electronic Modulated Air Suspension
Electronically Controlled Transmission and A/T Indicator
Engine Control

Installation is in the reverse order of removal.
See COMPONENTS .
1.DISCONNECT NEGATIVE TERMINAL CABLE FROM BATTERY
2.REMOVE FRONT DOOR SCUFF PLATE LH (See REPLACEMENT
)
3.REMOVE FRONT PILLAR GARNISH LH (See step 33 in REPLACEMENT
)
4.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 2 (See step 21 in
REPLACEMENT
)
5.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY RH (See step 22 in REPLACEMENT
)
6.REMOVE GLOVE COMPARTMENT DOOR ASSY W/ INSTRUMENT PANEL AIRBAG ASSY
LOWER NO. 2 (See step 25 in REPLACEMENT
)
7.REMOVE AIR SUSPENSION AND HEADLIGHT BEAM LEVEL CONTROL ECU
a. Disconnect the connectors.
b. Remove the 2 nuts and air suspension and headlight beam level control ECU.
8.REMOVE BLOWER ASSY
a. Disconnect the connectors.
b. Remove the nut and 3 bolts.
c. Remove the blower assy.