engine LEXUS LS430 2003 Factory Repair Manual

Fig. 33: Installing Gaskets
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
20.INSTALL ENGINE WIRE
a. Install the 2 wire clamps to the wire clamp bracket on the RH delivery pipe.
21.INSTALL VACUUM SWITCHING VALVE ASSY
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
22.INSTALL V-VANK COVER BRACKET NO.4
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
23.INSTALL V-BANK COVER BRACKET NO.3
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
24.INSTALL V-BANK COVER BRACKET NO.2
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
25.INSTALL V-BANK COVER BRACKET NO.1
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
26.INSTALL INTAKE AIR CONNECTOR PIPE

Fig. 51: Pulling Out Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Protect each connecting part from damage and contamination by covering it with a vinyl bag.
8.REMOVE REAR FLOOR SERVICE HOLE COVER
a. Remove the service hole cover and disconnect the fuel sender gauge connector.
9.REMOVE FRONT FLOOR BRACE CENTER (See OVERHAUL
)
10.REMOVE ENGINE UNDER COVER NO.2
11.REMOVE EXHAUST PIPE ASSY (See REPLACEMENT
)
12.REMOVE PROPELLER SHAFT HEAT INSULATOR
13.REMOVE FRONT FLOOR HEAT INSULATOR NO.1
a. Remove the 2 bolts and propeller shaft heat insulator.
14.REMOVE DIFFERENTIAL SUPPORT PROTECTOR NO.1
15.REMOVE DIFFERENTIAL SUPPORT PROTECTOR NO.2
16.REMOVE PROPELLER SHAFT ASSY (See OVERHAUL
)
17.REMOVE PARKING BRAKE CABLE ASSY NO.2 (See REPLACEMENT
)
18.REMOVE PARKING BRAKE CABLE ASSY NO.3 (See REPLACEMENT
)
19.REMOVE FUEL TANK TO FILLER PIPE HOSE
20.REMOVE FUEL TANK EVAPORATION VENT TUBE
21.REMOVE FUEL TANK BREATHER HOSE

45.INSTALL DIFFERENTIAL SUPPORT PROTECTOR NO.2
46.INSTALL DIFFERENTIAL SUPPORT PROTECTOR NO.1
47.INSTALL FRONT FLOOR HEAT INSULATOR NO.1
a. Install the front floor heat insulator with the 4 bolts.
Torque: 5.4 N.m (55 kgf.cm, 47 in..lbf)
48.INSTALL PROPELLER SHAFT HEAT INSULATOR
49.INSTALL EXHAUST PIPE ASSY (See REPLACEMENT
)
50.INSTALL ENGINE UNDER COVER NO.2
51.INSTALL FRONT FLOOR BRACE CENTER (See OVERHAUL
)
52.INSTALL REAR FLOOR SERVICE HOLE COVER
53.INSTALL FUEL TANK MAIN TUBE SUB-ASSY
a. Connect the connector on the fuel tank side.
1. Attach the fuel tube connector to the port of the fuel suction plate.
2. Install the tube joint clip.
b. Connect the connector on the fuel pipe side.
1. Insert the connector by aligning the axes of the pipe and the connector until the retainer makes a
click sound.

ENGINE ROOM JUNCTION & RELAY BLOCK
Fig. 1: Locating Engine Room Fusible Link, Junction & Relay Blocks

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 2: Identifying Engine Room No. 1 Junction & Relay Block Components
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Engine Room No. 1 Junction & Relay Block Fuses
FuseSystem
7.5AA/C IGAutomatic Air Conditioning (Front)
7.5AEFI NO.2Engine Control
7.5AFR IGABS
Automatic Air Conditioning (Front)
Back-Up Light
Charging
Clock (w/ LEXUS Navigation System)
Cruise Control
Door Closer (w/ Smart Key System)
Door Closer (w/o Smart Key System)
Door Lock Control (w/ Smart Key System)
Door Lock Control (w/o Smart Key System)

Dynamic Radar/Laser Cruise Control System
Electronically Controlled Transmission and A/T Indicator
Headlight Cleaner
Key Reminder (w/ Smart Key System)
LEXUS Navigation System
LEXUS Parking Assist (Clearance Sonar)
LEXUS Parking Assist (Rear View Monitor)
Power Seat (Rear Passenger's Seat)
Pre-Collision Safety System
Radiator Fan
Rear Window Defogger
Remote Control Mirror
Smart Key System
Theft Deterrent (w/ Smart Key System)
VSC and Tire Pressure Warning System
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
7.5AIGNCruise Control
Dynamic Radar/Laser Cruise Control System
Electronically Controlled Transmission and A/T Indicator
Engine Control
7.5ASTAElectronically Controlled Transmission and A/T Indicator
Engine Control
Starting and Ignition
7.5ATAILAutomatic Light Control
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Key Reminder (w/ Smart Key System)
Light Auto Turn Off System
Multiplex Communication System (BEAN - Steering Column Bus)
Smart Key System
Taillight
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)
Wireless Door Lock Control (w/ Smart Key System)
10AETCSCruise Control
Dynamic Radar/Laser Cruise Control System
Electronically Controlled Transmission and A/T Indicator
Engine Control
10AHORNDoor Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Horn
Key Reminder (w/ Smart Key System)
Multiplex Communication System (BEAN - Steering Column Bus)
Smart Key System
Theft Deterrent (w/ Smart Key System)
Theft Deterrent (w/o Smart Key System)

FUSIBLE LINK BLOCK
Wireless Door Lock Control (w/ Smart Key System)
10AINJEngine Control
Starting and Ignition
15AFR FOGFront Fog Light
Multiplex Communication System (BEAN - Steering Column Bus)
15AH-LP L LWRHeadlight
Multiplex Communication System (BEAN - Steering Column Bus)
15AH-LP R LWRHeadlight
Multiplex Communication System (BEAN - Steering Column Bus)
20AH-LP HIHeadlight
Multiplex Communication System (BEAN - Steering Column Bus)
20AWASHERMultiplex Communication System (BEAN - Steering Column Bus)
Wiper and Washer
25AEFI NO.1Cruise Control
Dynamic Radar/Laser Cruise Control System
Electronically Controlled Transmission and A/T Indicator
Engine Control
30AH-LP CLNHeadlight Cleaner
30AWIPMultiplex Communication System (BEAN - Steering Column Bus)
Wiper and Washer

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