2003 LEXUS LS430 fuel

Fig. 55: Installing Fuel Sub-Suction Hose
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
37.INSTALL FUEL TANK VENT TUBE SET PLATE
a. Install the set plate with the 8 bolts.
Torque: 6.0 N.m (61 kgf.cm, 52 in..lbf)
38.INSTALL FUEL TANK ASSY
a. Install the fuel tank with the fuel tank band.
Torque: 39 N.m (400 kgf.cm, 29 ft.lbf)
39.INSTALL FUEL TANK BREATHER HOSE
40.INSTALL FUEL TANK EVAPORATION VENT TUBE
41.INSTALL FUEL TANK TO FILLER PIPE HOSE
42.INSTALL PARKING BRAKE CABLE ASSY NO.3 (See REPLACEMENT
)
43.INSTALL PARKING BRAKE CABLE ASSY NO.2 (See REPLACEMENT
)
44.INSTALL PROPELLER SHAFT ASSY (See OVERHAUL
)

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.

Fig. 56: Connecting Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
54.INSTALL REAR FLOOR SERVICE HOLE COVER NO.2 (See REPLACEMENT
)
55.INSTALL BENCH TYPE REAR SEAT CUSHION ASSY (FIXED TYPE REAR SEAT) (See
OVERHAUL
)
56.INSTALL SEPARATE TYPE REAR SEAT CUSHION ASSY LH (SEPARATED TYPE REAR
SEAT) (See OVERHAUL
)
57.ADD FUEL (See PRECAUTION
)
58.CONNECT BATTERY NEGATIVE TERMINAL

59.INSPECT FUEL PUMP OPERATION AND CHECK FOR FUEL LEAKS (See ON-VEHICLE
INSPECTION )
60.CHECK FOR EXHAUST GAS LEAKS (See REPLACEMENT
)

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)
Multiplex Communication System (BEAN Bus)
PPS
Pre-Collision Safety System
Rear Air Conditioning
Seat Belt Warning
Smart Key System
SRS
Taillight
Theft Deterrent (w/ Smart Key System)
Tire Pressure Warning System
VSC
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
7.5AMPX-B3Adaptive Front-Lighting System
Automatic Light Control
Door Closer (w/ Smart Key System)
Door Lock Control (w/ Smart Key System)
Front Fog Light
Fuel Lid Opener
Headlight
Illumination
Key Reminder (w/ Smart Key System)
Light Auto Turn Off System
Luggage Compartment Door Opener and Closer
Multiplex Communication System (BEAN - Instrument Panel Bus)
Multiplex Communication System (BEAN - Steering Column Bus)
Power Tilt and Power Telescopic
Rear Air Conditioning
Remote Control Mirror
Smart Key System
Taillight
Theft Deterrent (w/ Smart Key System)
Turn Signal and Hazard Warning Light
Wiper and Washer
Wireless Door Lock Control (w/ Smart Key System)
7.5AP-ACCAudio System

Multiplex Communication System (BEAN - Steering Column Bus)
Taillight
7.5ARR A/CMultiplex Communication System (BEAN - Steering Column Bus)
Rear Air Conditioning
7.5ARR ACCAudio System
Clock (w/ LEXUS Navigation System)
Interior Light
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
Multiplex Communication System (BEAN - Steering Column Bus)
7.5ARR ECU-BAudio System
Clock (w/ LEXUS Navigation System)
Interior Light
LEXUS Navigation System
LEXUS Parking Assist (Rear View Monitor)
Multiplex Communication System (BEAN - Steering Column Bus)
Rear Air Conditioning
7.5ARR IGClock (w/ LEXUS Navigation System)
LEXUS Navigation System
LEXUS Parking Assist (Clearance Sonar)
LEXUS Parking Assist (Rear View Monitor)
Pre-Collision Safety System
10AFUEL OPNFuel Lid Opener
Luggage Compartment Opener and Closer
Multiplex Communication System (BEAN - Steering Column Bus)
15ARR S/SHADEMultiplex Communication System (BEAN - Steering Column Bus)
Rear Sunshade
30AAMP.P P/SEATAudio System
30AP P/SEATPower Seat (Front Passenger's Seat)
30ARR SEAT LHPower Seat (Rear Passenger's Seat)
30ARR SEAT RHPower Seat (Rear Passenger's Seat)
30ARR S/HTRClimate Control Seat (Rear)
Seat Heater (Rear)
30AS/ROOFMoon Roof
Pre-Collision Safety System

compressor burnout may occur. Necessary care should be taken to avoid this.
Fig. 3: Identifying Precaution Operating Compressor

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7.DO NOT OPEN HIGH PRESSURE MANIFOLD VALVE WHILE COMPRESSOR IS
OPERATING
If the high pressure valves are opened, refrigerant flows in the reverse direction and could cause the
charging cylinder to rupture. Open and close only the low pressure valve.
8.BE CAREFUL NOT TO OVERCHARGE SYSTEM WITH REFRIGERANT
If refrigerant is overcharged, it causes problems such as insufficient cooling, poor fuel economy, engine

6.REMOVE THROTTLE BODY ASSY
a. Disconnect the connector from the throttle body.
b. Disconnect the PCV hose.
c. Disconnect the 2 water by-pass hoses.
HINT:
It is not necessary to disconnect the water by-pass hose that has both ends connected to the throttle
body.
d. Remove the 2 bolts, 2 nuts and throttle body.
7.REMOVE V-BANK COVER BRACKET NO. 1
a. Remove the bolt and cover bracket.
8.REMOVE V-BANK COVER BRACKET NO. 2
a. Remove the bolt and cover bracket.
9.REMOVE V-BANK COVER BRACKET NO. 3
a. Remove the bolt and cover bracket.
10.REMOVE V-BANK COVER BRACKET NO. 4
a. Remove the 2 nuts and cover bracket.
11.REMOVE VACUUM SWITCHING VALVE ASSY FOR EVAP
a. Disconnect the VSV connector.
b. Disconnect the 2 hoses from the VSV.
c. Remove the bolt and VSV.
12.DISCONNECT FUEL PIPE SUB-ASSY NO. 2
a. Using SST, disconnect the fuel main hose.
SST 09023-38401