battery LEXUS LS430 2003 Factory Repair Manual

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Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Remove the rear seat cushion.
b. Remove the 3 cap nuts and floor service hole cover.
c. Disconnect the fuel pump & sender gauge connector.
d. Using an ohmmeter, measure the resistance between terminals 4 and 5.
Standard: 0.2 to 3.0 ohms at 20°C (68°F)
If the resistance is not as specified, replace the fuel pump.
e. Inspect the fuel pump operation.
Connect the battery's positive (+) lead to terminal 4 of the connector, and the negative (-) lead to
terminal 5. Check that the fuel pump operates.

Fig. 21: Installing O-Ring To Injector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
g. Install a new O-ring to the injector.
h. Connect SST (union and hose) to the injector, and hold the injector and union with SST (clamp).
SST 09268-41047 (09268-41110, 09268-41300)
i. Put the injector into the graduated cylinder.
j. Connect the hand-held tester (with CAN VIM) to the DLC3.
k. Connect the battery negative (-) cable to the battery.
l. Turn the ignition switch ON and push the hand-held tester main switch ON.
m. Select the ACTIVE TEST mode on the hand-held tester.
n. Please refer to the han
d-held tester operator's manual for further details.

Fig. 22: Connecting Hand-Held Tester DLC3
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o. Connect SST (wire) to the injector and battery for 15 seconds, and measure the injection volume
with a graduated cylinder. Test each injector 2 or 3 times.
SST 09842-30070
Injection volume:
60 to 73 cm3 (3.7 to 4.5 cu in.) per 15 seconds. Difference between each injector:
13 cm3 (0.6 cu in.) or less
If the injection volume is not as specified, replace the injector.
p. Inspect the fuel leaka
ge.

Fig. 23: Measuring Injection Volume
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1. In the condition above, disconnect the tester probes of SST (wire) from the battery and check
the fuel leakage from the injector.
SST 09842-30070
Fuel drop: 1 drop or less per 27 minutes
q. Turn the ignition switch OFF.
r. Disconnect the negative (-) terminal cable from the battery.
s. Remove the SST.
SST 09268-41047, 09842-30070
t. Disconnect the han
d-held tester from the DLC3.

Torque: 30 N.m (310 kgf.cm, 22 ft.lbf)
HINT:
Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).
Fig. 25: Measuring Fulcrum Length

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2.INSPECT FUEL PUMP ASSY
a. Inspect the fuel pump resistance.
1. Using an ohmmeter, measure the resistance between terminals 4 and 5.
Standard: 0.2 to 3.0 ohms at 20°C (68°F)
b. Inspect fuel pump operation.
1. Apply battery voltage to both terminals. Check that the pump operates.

REPLACEMENT
1.WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See PRECAUTION
)
2.DISCONNECT BATTERY NEGATIVE TERMINAL
3.REMOVE V-BANK COVER
a. Remove the 2 nuts and V-bank cover.
4.REMOVE AIR CLEANER INLET NO.1
5.REMOVE INTAKE AIR CONNECTOR PIPE
a. Disconnect the air hose and ventilation hose No. 1.
b. Loosen the hose clamp.
c. Remove the bolt and intake air connector pipe.
6.REMOVE V-BANK COVER BRACKET NO.1
7.REMOVE V-BANK COVER BRACKET NO.2
8.REMOVE V-BANK COVER BRACKET NO.3
9.REMOVE V-VANK COVER BRACKET NO.4
10.REMOVE VACUUM SWITCHING VALVE ASSY
11.DISCONNECT ENGINE WIRE

a. Install the intake air connector pipe with the bolt and hose clamp.
Torque:
4.0 N.m (40 kgf.cm, 35 in..lbf) for hose clamp
5.0 N.m (50 kgf.cm, 44 in..lbf) for bolt
b. Connect the air hose and ventilation hose No. 1 together.
27.INSTALL AIR CLEANER INLET NO.1
28.INSPECT FOR FUEL LEAKS (See ON
-VEHICLE INSPECTION )
29.INSTALL V-BANK COVER
Torque: 5.0 N.m (51 kgf.cm, 44 in..lbf)
30.CONNECT BATTERY NEGATIVE TERMINAL
Fig. 34: Identifying Wire Clamp Bracket

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

REPLACEMENT
1.WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See PRECAUTION
)
2.DISCONNECT BATTERY NEGATIVE TERMINAL
3.DRAIN FUEL (See PRECAUTION
)
4.REMOVE SEPARATE TYPE REAR SEAT CUSHION ASSY LH (SEPARATED TYPE REAR
SEAT) (See OVERHAUL
)
5.REMOVE BENCH TYPE REAR SEAT CUSHION ASSY (FIXED TYPE REAR SEAT) (See
OVERHAUL
)
6.REMOVE REAR FLOOR SERVICE HOLE COVER NO.2
a. Remove the 3 cap nuts and service hole cover.
7.REMOVE FUEL TANK MAIN TUBE SUB-ASSY

Fig. 48: Installing Service Hole Cover
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26.INSTALL BENCH TYPE REAR SEAT CUSHION ASSY (FIXED TYPE REAR SEAT) (See
OVERHAUL
)
27.INSTALL SEPARATE TYPE REAR SEAT CUSHION ASSY LH (SEPARATED TYPE REAR
SEAT) (See OVERHAUL
)
28.ADD FUEL (See PRECAUTION
)
29.CONNECT BATTERY NEGATIVE TERMINAL
30.INSPECT FUEL PUMP OPERATION AND CHECK FOR FUEL LEAKS (See ON
-VEHICLE
INSPECTION )
COMPONENTS

1.WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See PRECAUTION )
2.DISCONNECT BATTERY NEGATIVE TERMINAL
3.DRAIN FUEL (See PRECAUTION
)
4.REMOVE SEPARATE TYPE REAR SEAT CUSHION ASSY LH (SEPARATED TYPE REAR
SEAT) (See OVERHAUL
)
5.REMOVE BENCH TYPE REAR SEAT CUSHION ASSY (FIXED TYPE REAR SEAT) (See
OVERHAUL
)
6.REMOVE REAR FLOOR SERVICE HOLE COVER NO.2 (See REPLACEMENT
)
7.REMOVE FUEL TANK MAIN TUBE SUB-ASSY
a. Disconnect the connector in the fuel tank side.
1. Remove the tube joint clip.
2. Pull out the fuel main tube.
3. Plu
g the port of the fuel suction plate with a clean rubber cap.