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 |
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How To Proceed With Troubleshooting
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NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Interview the customer and confir
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of
Check Mode Procedure
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