sensor LEXUS LS430 2003 Factory Repair Manual

3.REMOVE ULTRASONIC SENSOR RETAINER NO. 1
a. Disconnect the connector.
b. Remove the ultrasonic sensor retainer No. 1 as shown in the illustration.
Fig. 42: Removing Ultrasonic Sensor Retainer No. 1

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4.REMOVE ULTRASONIC SENSOR NO. 1
a. Remove the ultrasonic sensor No. 1.

Fig. 43: Removing Ultrasonic Sensor No. 1
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REPLACEMENT
HINT:
See COMPONENTS - FRONT BUMPER , COMPONENTS - REAR BUMPER .
See LOCATION .
Installation is in the reverse order of removal.

1.REMOVE FRONT BUMPER COVER (See step 5 on REPLACEMENT )
2.REMOVE REAR BUMPER COVER (See step 12 on REPLACEMENT
)
3.REMOVE ULTRASONIC SENSOR RETAINER NO. 2
a. Disconnect the connector.
b. Remove the ultrasonic sensor retainer No. 2 as shown in the illustration.
Fig. 44: Removing Ultrasonic Sensor Retainer No. 2

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4.REMOVE ULTRASONIC SENSOR NO. 2
a. Remove the ultrasonic sensor No. 2

Fig. 45: Removing Ultrasonic Sensor No. 2
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
HINT:
See COMPONENTS .
See LOCATION .
Installation is in the reverse order of removal.

1.DATA LIST
HINT:
By the DATA LIST displayed on the hand-held tester, you can read the value of the switch, sensor,
actuator and so on without removing any parts. Reading the DATA LIST as the first step in
troubleshooting is one of the methods to shorten labor time.
a. Connect the hand-held tester to the DLC3.
b. Turn the ignition switch to the ON position.
c. According to the display on the tester, read the "DATA LIST".
SPAD:
Fig. 24: Spad Item Chart

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DIAGNOSTIC TROUBLE CODE CHART
HINT:
Titles for each unit are stated in the followin
g order: parts name (physical address) [Name indicated by DTC]
TermsDescription
Physical address3-digit, hexadecimal code assigned to all components connected to the AVC-LAN.
Individual symbols are specified based on function. Units whose names are unknown or
relevant units are displayed with physical addresses.
Logical address2-digit, hexadecimal code assigned to all the functions in the AVC-LAN system.

NG: REPLACE THE CD
OK: Go to next step
3.CHECK RADIO RECEIVER ASSY
a. Insert another CD and check if it is ejected.
OK: The disc is ejected.
NG: REPLACE RADIO RECEIVER ASSY (SEE REPLACEMENT
)
OK: NORMAL OPERATION
INSPECTION PROCEDURE
1.CHECK SPEAKERS
a. Check the speaker unit installed condition.
1. Check that each speaker is securely installed.
OK: The problem goes away.
HINT:
The radio has a noise prevention function to reduce noise when listening to the radio. If a loud noise
occurs, check whether the ground at the antenna mounting base and the noise prevention unit are installed
and wired correctly.
NOISE CONDITION CHART
Noise ConditionsNoise Source
Depressing the accelerator pedal makes the noise louder. However, the noise
stops immediately when the engine is stopped.Alternator
Noise occurs while the A/C or heater is in operation.Blower motor
Noise can be heard during sudden acceleration on an unpaved road, or after the
ignition switch is turned ON.Fuel pump
Noise can be heard when the horn is pressed and released, or held down
continuously.Horn
<00340058004c00480057000300510052004c0056004800030046004400510003004500480003004b00480044005500470003005a004b004c004f004800030057004b0048000300480051004a004c0051004800030055005800510056000f00030045005800
570003005600570052005300560003005a004b004800510003[the engine is
stopped.Ignition
Noise can be heard when the turn signal blinks.Flasher
Noise can be heard while window washer is in operation.Washer
Noise can be heard while the engine is running and continues after it is stopped.Water temperature
sensor
Noise can be heard while the wiper system is in operation.Wiper

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
)

If a failure is found, check the park/neutral position switch for continuity.
2.ADJUST PARK/NEUTRAL POSITION SWITCH ASSY
a. Loosen the bolt of the park/neutral position switch and move the shift lever to the N position.
b. Align the groove and the neutral basic line.
c. Hold the switch in position and tighten the bolt.
Torque: 13.0 N.m (130 kgf.cm, 9 ft.lbf)
d. After adjustment, perform the inspection described in step 1.
Fig. 20: Aligning Groove And Neutral Basic Line

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REPLACEMENT
1.REMOVE TRANSMISSION REVOLUTION SENSOR (NC0 SENSOR)
a. Disconnect the transmission revolution sensor connector.
b. Remove the bolt and transmission revolution sensor.

c. Remove the O-ring from the transmission revolution sensor.
Fig. 21: Removing Bolt And Transmission Revolution Sensor

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2.REMOVE TRANSMISSION REVOLUTION SENSOR (SP2 SENSOR)
a. Disconnect the transmission revolution sensor connector.
b. Remove the bolt and transmission revolution sensor.
c. Remove the O-rin
g from the transmission revolution sensor.

Fig. 22: Removing Bolt And Transmission Revolution Sensor
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3.INSTALL TRANSMISSION REVOLUTION SENSOR (SP2 SENSOR)
a. Coat a new O-ring with ATF and install it to the transmission revolution sensor.
b. Install the transmission revolution sensor with the bolt.
Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf)
c. Connect the transmission revolution sensor connector.