Lexus ES: RR Speed Sensor Wrong Installation (X0454)
DESCRIPTION
| Code | Tester Display | Measurement Item | Trouble Area |
|---|---|---|---|
| X0454 | RR Speed Sensor Wrong Installation | History of rear speed sensor RH being installed incorrectly | Rear Speed Sensor RH |
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 (REAR SPEED SENSOR RH) |
(a) Check that the rear speed sensor RH is installed.
OK:
Proper rear speed sensor RH is installed.
NOTICE:
If it is necessary to remove components in order to check the rear speed sensor RH, follow the relevant installation and removal procedures and precautions for those components.
HINT:
The rear speed sensor RH and rear speed sensor rotor RH are incorporated into the rear axle hub and bearing assembly RH.
If the rear speed sensor RH and rear speed sensor rotor RH need to be replaced, replace the rear axle hub and bearing assembly RH.
| NG | | REPLACE REAR SPEED SENSOR RH |
|
| 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) |
HINT:
The rear speed sensor RH and rear speed sensor rotor RH are incorporated into the rear axle hub and bearing assembly RH.
If the rear speed sensor RH and rear speed sensor rotor RH need to be replaced, replace the rear axle hub and bearing assembly RH.
| Result | Proceed to |
|---|---|
| X0454 is not output | A |
| X0454 is output | B |
| A | | USE SIMULATION METHOD TO CHECK |
| B | | REPLACE REAR SPEED SENSOR RH |
