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 |
|
| 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 |
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|
| 3. | CLEAR VEHICLE CONTROL HISTORY |
(a) Using the Techstream, clear the Vehicle Control History.
Chassis > Brake > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
|
| 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)
DESCRIPTION Code Tester Display Measurement Item Trouble Area X0452 FR Speed Sensor Wrong Installation History of front speed sensor RH being installed incorrectly Front Speed Senso
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA/INFORMATION (a) Using the Techstream, check the vehicle condition (ECU, sensor) when the brake system operates or a DTC is output. CHECK FREEZE FRAME DATA AND INFOR
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confir
SEE MORE:
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL HEADLIGHT GASKET (a) Install a new headlight gasket. 2. INSTALL HEADLIGHT ECU SUB-ASSEMBLY NOTICE: If the headlight ECU sub-assembly
Components
COMPONENTS ILLUSTRATION *1 COURTESY LIGHT ASSEMBLY *2 REAR DOOR TRIM BOARD SUB-ASSEMBLY *3 REAR DOOR UPPER TRIM PAD *4 REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR UPPER ARMREST BASE PANEL ILLUSTRATION *A w/ Rear Door Sunshade - - *1 REAR DOOR GLA
