oxygen sensor LEXUS LS430 2003 Factory Repair Manual

7.TRANSMISSION
a. Install the overflow plug.
b. Stop the engine.
c. Remove the refill plug.
d. Add 0.4 liters (0.42 US qts, 0.35 Imp. qts) of fluid.
e. Allow the engine to idle and wait for 10 seconds.
f. Proceed to next step.
8.COMPLETE
a. Install the overflow plug with a new gasket.
b. Stop the engine.
c. Install the refill plug with a new gasket.
d. Install the transmission case cover with the two bolts.
Torque:
20 N.m (204 kgf.cm, 15 ft.lbf) for overflow plug
39 N.m (400 kgf.cm, 53 ft.lbf) for refill plug
REPLACEMENT
1.DISCONNECT BATTERY NEGATIVE TERMINAL
2.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2 (SEE REPLACEMENT
)
3.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY LH (SEE REPLACEMENT
)
4.REMOVE INSTRUMENT PANEL FINISH PANEL (SEE REPLACEMENT
)
5.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.1 (SEE REPLACEMENT
)
6.REMOVE SWITCH BRACE HOLE COVER (SEE REPLACEMENT
)
7.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1 (SEE REPLACEMENT
)
8.REMOVE INSTRUMENT PANEL CUP HOLDER ASSY (SEE REPLACEMENT
)
9.REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (SEE REPLACEMENT
)
10.REMOVE CONSOLE BOX CARPET (SEE REPLACEMENT
)
11.REMOVE REAR CONSOLE ARMREST ASSY (SEE REPLACEMENT
)
12.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (SEE REPLACEMENT
)
13.REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY CENTER (SEE
REPLACEMENT
)
14.REMOVE CONSOLE PANEL SUB-ASSY UPPER (SEE REPLACEMENT
)
15.REMOVE CONSOLE BOX (SEE REPLACEMENT
)
16.SEPARATE OXYGEN SENSOR (SEE REPLACEMENT
)

3.REMOVE ENGINE UNDER COVER NO.2
4.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2 (SEE REPLACEMENT
)
5.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY LH (SEE REPLACEMENT
)
6.REMOVE INSTRUMENT PANEL FINISH PANEL (SEE REPLACEMENT
)
7.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.1 (SEE REPLACEMENT
)
8.REMOVE SWITCH BRACE HOLE COVER (SEE REPLACEMENT
)
9.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1 (SEE REPLACEMENT
)
10.REMOVE INSTRUMENT PANEL CUP HOLDER ASSY (SEE REPLACEMENT
)
11.REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (SEE REPLACEMENT
)
12.REMOVE CONSOLE BOX CARPET (SEE REPLACEMENT
)
13.REMOVE REAR CONSOLE ARMREST ASSY (SEE REPLACEMENT
)
14.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (SEE REPLACEMENT
)
15.REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY CENTER (SEE
REPLACEMENT
)
16.REMOVE CONSOLE PANEL SUB-ASSY UPPER (SEE REPLACEMENT
)
17.REMOVE CONSOLE BOX (SEE REPLACEMENT
)
18.SEPARATE OXYGEN SENSOR (SEE REPLACEMENT
)
a. Separate the 2 heated oxygen sensors.
19.REMOVE FRONT FLOOR BRACE CENTER (SEE REPLACEMENT
)
20.REMOVE EXHAUST PIPE ASSY (SEE REPLACEMENT
)
21.REMOVE FRONT FLOOR HEAT INSULATOR NO.1 (SEE OVERHAUL
)
22.REMOVE PROPELLER W/CENTER BEARING SHAFT ASSY (SEE OVERHAUL
)
SST 09922-10010
23.DRAIN AUTOMATIC TRANSMISSION FLUID
a. Remove the drain plug, gasket and drain the ATF.
b.Install a new gasket and the drain plug.
Torque: 20 N.m (205 kgf.cm, 15 ft.lbf)
24.REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET SUB-ASSY
a. Remove the 2 bolts and exhaust pipe No.1 support bracket sub-ass
y.

6.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO.1 (SEE REPLACEMENT )
7.REMOVE INSTRUMENT PANEL CUP HOLDER ASSY (SEE REPLACEMENT
)
8.REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (SEE REPLACEMENT
)
9.REMOVE CONSOLE BOX CARPET (SEE REPLACEMENT
)
10.REMOVE REAR CONSOLE ARMREST ASSY (SEE REPLACEMENT
)
11.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (SEE REPLACEMENT
)
12.REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY CENTER (SEE
REPLACEMENT
)
13.REMOVE CONSOLE PANEL SUB-ASSY UPPER (SEE REPLACEMENT
)
14.REMOVE CONSOLE BOX (SEE REPLACEMENT
)
15.SEPARATE OXYGEN SENSOR (SEE REPLACEMENT
)
16.REMOVE EXHAUST PIPE ASSY (SEE REPLACEMENT
)
17.REMOVE PROPELLER W/CENTER BEARING SHAFT ASSY (SEE OVERHAUL
)
18.DRAIN AUTOMATIC TRANSMISSION FLUID
a. Remove the drain plug, gasket and drain the ATF.
b. Install a new gasket and the drain plug.
Torque: 20 N.m (205 kgf.cm, 15 ft.lbf)
19.REMOVE AUTOMATIC TRANSMISSION FLANGE YOKE ASSY
a. Using SST and a hammer, loosen the staked part of the nut.
SST 09930-00010
HINT:
Move the shift lever to the P position.

Fig. 158: Removing Nuts And Yawrate Sensor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
33.REMOVE CONSOLE BOX DUCT NO.1 (SEE REPLACEMENT
)
34.REMOVE OXYGEN SENSOR (SEE REPLACEMENT
)
35.REMOVE EXHAUST PIPE ASSY (SEE REPLACEMENT
)
36.REMOVE FRONT FLOOR HEAT INSULATOR NO.1 (SEE REPLACEMENT
)
37.REMOVE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSY (SEE OVERHAUL
)
38.REMOVE FLOOR SHIFT ASSY (SEE OVERHAUL
)
39.REMOVE PARKING BRAKE CABLE ASSY NO.1
a. Release the parking brake pedal.
b. Remove the return spring.
c. Remove the 2 bolts and separate the parking brake intermediate lever sub-assy from the floor panel.
d. Remove the clip and pin, and separate the parking brake cable assy No.1 from the parking brake
intermediate lever sub-assy.
e. Remove the 2 bolts and disconnect the parking brake cable No.2 and No.3 from the parking brake
intermediate lever sub-ass
y.

Fig. 170: Installing Yawrate Sensor Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
42.INSTALL FLOOR CARPET ASSY FRONT
43.INSTALL FLOOR SHIFT ASSY (SEE OVERHAUL
)
44.INSTALL FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSY (SEE OVERHAUL
)
45.INSTALL FRONT FLOOR HEAT INSULATOR NO.1 (SEE REPLACEMENT
)
46.INSTALL EXHAUST PIPE ASSY (SEE REPLACEMENT
)
47.INSTALL OXYGEN SENSOR (SEE REPLACEMENT
)
48.INSTALL CONSOLE BOX DUCT NO.1 (SEE REPLACEMENT
)
49.INSTALL CONSOLE BOX (SEE REPLACEMENT
)
50.INSTALL REAR CONSOLE ARMREST ASSY (SEE REPLACEMENT
)
51.INSTALL CONSOLE BOX CARPET
52.INSTALL CONSOLE UPPER REAR PANEL SUB-ASSY (SEE REPLACEMENT
)
53.INSTALL INSTRUMENT PANEL CUP HOLDER ASSY (SEE REPLACEMENT
)
54.INSTALL CONSOLE PANEL SUB-ASSY UPPER (SEE REPLACEMENT
)
55.INSTALL SHIFT LEVER KNOB SUB-ASSY (SEE REPLACEMENT
)
56.INSTALL RADIO RECEIVER ASSY W/BRACKET (SEE REPLACEMENT
)

Fig. 180: Disconnecting Parking Brake Cable Assy No.3 From Parking Brake Shoe Lever
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
8.REMOVE OXYGEN SENSOR (SEE REPLACEMENT
)
9.REMOVE EXHAUST PIPE ASSY (SEE REPLACEMENT
)
10.REMOVE FRONT FLOOR HEAT INSULATOR NO.1 (SEE REPLACEMENT
)
11.REMOVE PARKING BRAKE CABLE ASSY NO.3
a. Remove the 2 nuts and parking brake cable assy No.3 from the rear axle carrier.

j.INSTALL REAR WHEEL
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
k.INSTALL FRONT FLOOR HEAT INSULATOR NO.1 (SEE REPLACEMENT
)
l.INSTALL EXHAUST PIPE ASSY (SEE REPLACEMENT
)
m.INSTALL OXYGEN SENSOR (SEE REPLACEMENT
)
n.SETTLING PARKING BRAKE SHOES AND DISC
a. Drive the vehicle at approximately 50 km/h (31 mph) on a safe, level and dry road.
b. Depress the parking brake pedal with a force of 150 N (15 kgf.cm, 34 lbf).
c. Drive the vehicle for approximately 400 meters (0.25 mile) in this condition.
d. Repeat this procedure 2 or 3 times.
o.CHECK PARKING BRAKE PEDAL TRAVEL (SEE ADJUSTMENT
)
p.ADJUST PARKING BRAKE PEDAL TRAVEL (SEE ADJUSTMENT
)
COMPONENTS

a. Fill the rear differential carrier assy with differential gear oil equivalent.
Oil type: Differential synthetic gear oil GL-5 75W-90 or equivalent
Capacity: 1.35 +/- 0.05 liters (1.43 +/- 0.05 US qts, 1.19 +/- 0.04 Imp. qts)
67.INSPECT DIFFERENTIAL OIL (SEE ADJUSTMENT
)
68.INSTALL REAR DIFFERENTIAL FILLER PLUG
a. Using a hexagon wrench (10 mm), install the filler plug with a new gasket.
Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)
69.INSTALL REAR DRIVE SHAFT ASSY LH (SEE REPLACEMENT
)
70.INSTALL REAR DRIVE SHAFT ASSY RH
HINT:
Installation procedure of the RH side is the same as that of the LH side.
71.INSTALL FRONT FLOOR HEAT INSULATOR NO.1
a. Install the front floor heat insulator No.1 with the 4 bolts.
Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf)
72.INSTALL REAR WHEEL
a. Install the rear wheel with the 5 nuts.
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
73. Install the ornament with the 10 bolts.
Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
74.INSTALL PROPELLER W/CENTER BEARING SHAFT ASSY (SEE OVERHAUL
)
75.FULLY TIGHTEN CENTER SUPPORT BEARING ASSY NO.1 (SEE OVERHAUL
)
SST 09922-10010
76.INSPECT AND ADJUST NO.2 AND NO.3 JOINT ANGLE (SEE OVERHAUL
)
77.INSTALL PROPELLER SHAFT HEAT INSULATOR (SEE OVERHAUL
)
78.INSTALL EXHAUST PIPE ASSY (SEE REPLACEMENT
)
79.INSTALL OXYGEN SENSOR (SEE REPLACEMENT
)
80.INSPECT AND ADJUST REAR WHEEL ALIGNMENT (SEE ADJUSTMENT
)
81.ADJUST VEHICLE HEIGHT (W/ AIR SUSPENSION) (SEE ON
-VEHICLE INSPECTION )
82.INSPECT HEADLIGHT AIM ONLY (SEE ADJUSTMENT
)
83.CHECK ABS SPEED SENSOR SIGNAL (SEE TEST MODE PROCEDURE
)
84.INSPECT AIR LEAK (W/ AIR SUSPENSION) (SEE REPLACEMENT
)
HINT:
Perform this operation onl
y when the rear differential mount cushion is replaced.

HINT:
See COMPONENTS

1.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 2
2.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY LH (See step 22 on REPLACEMENT
)
3.REMOVE INSTRUMENT PANEL FINISH PANEL (See step 26 on REPLACEMENT
)
4.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 1 (See step 16 on
REPLACEMENT
)
5.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO. 1 (See step 19 on
REPLACEMENT
)
6.REMOVE CONSOLE PANEL SUB-ASSY UPPER (See step 38 on REPLACEMENT
)
7.REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (See step 39 on REPLACEMENT
)
8.REMOVE CONSOLE BOX CARPET (See step 40 on REPLACEMENT
)
9.REMOVE REAR CONSOLE ARMREST ASSY (See step 41 on REPLACEMENT
)
10.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 on
REPLACEMENT
)
11.REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY CENTER (See step 31 on
REPLACEMENT
)
12.REMOVE CONSOLE BOX (See step 42 on REPLACEMENT
)
13.SEPARATE OXYGEN SENSOR (See REPLACEMENT
)
14.REMOVE EXHAUST PIPE ASSY
a. Remove the 4 bolts, nuts and 2 gaskets from the exhaust manifold.
b. Remove the exhaust pipe assy.
15.REMOVE FRONT FLOOR HEAT INSULATOR NO. 1
a. Remove the 4 bolts and heat insulator No. 1.
16.REMOVE PROPELLER SHAFT HEAT INSULATOR
a. Remove the 2 bolts and heat insulator.
17.REMOVE PROPELLER W/CENTER BEARING SHAFT ASSY
a. Using SST, loosen the adjusting nut until it can be turned by hand.
SST 09922-10010
HINT:
Use 2 of the same t
ype of SST.

Fig. 47: Installing Heat Insulator No. 1 Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
33.INSTALL EXHAUST PIPE ASSY (See step 7 on REPLACEMENT
)
34.INSTALL OXYGEN SENSOR (See step 8 on REPLACEMENT
)
35.CHECK FOR EXHAUST GAS LEAKS
REPLACEMENT
HINT:
See COMPONENTS
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1.REMOVE FRONT WHEELS
2.SEPARATE SKID CONTROL SENSOR WIRE
a. Disconnect the connector.