LEXUS LS430 2003 Factory Repair Manual

Fig. 36: Removing Taping Gasket Using Cutter
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6.INSTALL ECM GASKET
a. Clean the ECM's seal surface to the gasket with non-reside solvent.
b. Attach the gasket on the ECM.
7.INSTALL ECM
a. Connect the connector and install the ECM with the 2 nuts.

Torque: 5.5 N.m (55 kgf.cm, 48 in..lbf)
8.INSTALL ECM COVER
a. Install the ECM cover with the 3 bolts.
Torque: 5.0 N.m (51 kgf.cm, 44 in..lbf)
9.INSTALL ENGINE ROOM SIDE COVER
a. Install the engine room side cover with the 3 clips.
10.CONNECT BATTERY NEGATIVE TERMINAL
11.CONFIGURE ECM FOR OPTIONAL DYNAMIC RADAR/LASER CRUISE CONTROL
a. Be sure to perform the following procedures after replacing the ECM.
1. Turn the ignition switch ON.
2. Turn the cruise main switch ON.
3. With the brake pedal depressed, set the cruise control main switch to RES/ACC 3 times within 3
seconds. Check that the VSC buzzer sounds at this time.
4. Turn the ignition switch OFF.
5. Connect the intelligent tester II to the DLC3.
6. Turn the ignition switch ON and push the intelligent tester II main switch ON.
7. Select the item "L/C Option Flag" in the Data List.
8. Check that YES is displayed.
12.POWER WINDOW CONTROL SYSTEM INITIALIZE (See INITIALIZATION
)
13.FRONT POWER SEAT CONTROL SYSTEM INITIALIZE (See INITIALIZATION
)
REPLACEMENT
1.REMOVE ACCELERATOR PEDAL ROD ASSY

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Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Disconnect the accelerator pedal position sensor connector.
b. Remove the 2 bolts, 2 nuts and accelerator pedal rod.
2.INSTALL ACCELERATOR PEDAL ROD ASSY
a. Connect the accelerator pedal position sensor connector.
b. Install the accelerator pedal rod with the 2 bolts and 2 nuts.
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)

COMPONENTS

Fig. 1: Identifying Hood Components
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ADJUSTMENT
HINT:

Centering bolts are used to mount the hood hinge and hood lock. The hood and hood lock cannot be
adjusted with the centering bolts on. Substitute the centering bolts with standard bolts (w/washers) when
making adjustments.
A bolt without a torque specification is shown in the standard bolt chart (see STANDARD BOLT ).
Fig. 2: Identifying Centering Bolts

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1.INSPECT HOOD SUB-ASSY
a. Check that the clearance is within the standard range.

Fig. 3: Inspecting Hood Sub-Assy
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AREA MEASUREMENT STANDARD:
2.ADJUST HOOD SUB-ASSY
a. Adjust the hood's position.
1. Loosen the 4 hinge bolts on the hood side.
2. Move the hood and adjust the clearance between the hood and front fender. Make sure that
the clearance is within the standard range.
Standard (A): 3.5 +/- 1.5 mm (0.138 +/- 0.059 in.)
3. Tighten the hood side hinge bolts after the adjustment.
Torque: 13 N.m (133 kgf.cm, 10 ft.lbf)
AreaMeasurement
A3.5 +/- 1.5 mm (0.138 +/- 0.059 in.)

Fig. 4: Adjusting Hood Sub-Assy
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4. Adjust the cushion rubber so that the height of the hood and the fender are aligned.
1. Raise or lower the hood's front end b
y turning the cushion rubber. Make sure that the

clearance is within the standard range.
Fig. 5: Raising Or Lower Hood'S Front End By Turning Cushion Rubber

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5. Adjust the hood lock.
1. w/ Pre-collision safety system:
Disconnect the cable from the battery negative (-) terminal.
2. w/ Pre-collision safety system:
Disconnect the connector.
3. w/ Pre-collision safety system:
Remove the 3 bolts and millimeter wave radar sensor.
Fig. 6: Removing Bolts And Millimeter Wave Radar Sensor

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4. Remove the cap (see OVERHAUL
).
5. Loosen the 2 bolts and nut.
6. Ad
just the hood lock position so that the striker can enter it smoothly.