Lexus ES manuals

Lexus ES: FL Speed Sensor Wrong Installation (X0451)

DESCRIPTION

Code

Tester Display

Measurement Item

Trouble Area

X0451

FL Speed Sensor Wrong Installation

History of front speed sensor LH being installed incorrectly

Front speed sensor LH

PROCEDURE

1.

CHECK FOR DTCs (HEALTH CHECK)

(a) Perform the Health Check using the Techstream.

Result

Proceed to

DTCs are not output

A

DTCs are output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

2.

CHECK PART NUMBER (FRONT SPEED SENSOR LH)

(a) Check that the front speed sensor LH is installed.

OK:

Proper front speed sensor LH is installed.

NOTICE:

If it is necessary to remove components in order to check the front speed sensor LH, follow the relevant installation and removal procedures and precautions for those components.

NG

REPLACE FRONT SPEED SENSOR LH

OK

3.

CLEAR VEHICLE CONTROL HISTORY

(a) Using the Techstream, clear the Vehicle Control History.

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

NEXT

4.

CHECK VEHICLE CONTROL HISTORY

(a) Using the Techstream, check for Vehicle Control History.

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

Result

Proceed to

X0451 is not output

A

X0451 is output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE FRONT SPEED SENSOR LH

READ NEXT:

 FR Speed Sensor Wrong Installation (X0452)

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 Disassembly

DISASSEMBLY PROCEDURE 1. REMOVE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (a) Remove the bolt. Remove in this Direction (b) Disengage the claw and guide as shown in the illustration to remove the map light bracket. (c) Remove the 2 bolts and sliding roof drive gear sub-assembly.

 Removal

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