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. (for 2WD)
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. (for 2WD)
| 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. (for 2WD)
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. (for 2WD)
| Result | Proceed to |
|---|---|
| X0454 is not output | A |
| X0454 is output | B |
| A | | USE SIMULATION METHOD TO CHECK |
| B | | REPLACE REAR SPEED SENSOR RH |
READ NEXT:
Slip Indicator Light does not Come ON
DESCRIPTION The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE: After replacing th
Slip Indicator Light Remains ON
DESCRIPTION This procedure is for troubleshooting when the slip indicator light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the slip indicator light in t
System Diagram
SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Skid control ECU (brake actuator assembly) Steering angle sensor Steering angle sensor re
SEE MORE:
Yaw Rate Sensor (C1A46)
DESCRIPTION The blind spot monitor sensor receives yaw rate signals from the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication. Blind Spot Monitor Master DTC No. Detection Item DTC Detection Condition Trouble Area C1A46 Yaw Rate Sensor A fail flag is tr
Open or Short in Steering Angle Sensor +B (C1625)
DESCRIPTION This DTC is stored if the clearance warning ECU assembly receives a signal via CAN communication from the steering sensor that indicates a power supply problem. DTC No. Detection Item DTC Detection Condition Trouble Area C1625 Open or Short in Steering Angle Sensor +B Op
