Lexus ES: Zero Point Calibration of Steering Angle Sensor Initialization Malfunction (X208A)
DESCRIPTION
| Code | Tester Display | Measurement Item | Trouble Area |
|---|---|---|---|
| X208A | Zero Point Calibration of Steering Angle Sensor Initialization Malfunction | History of failure in acquiring steering angle zero point even after the vehicle is driven in a straight line at a vehicle speed of 15 km/h (9 mph) or more for 115 seconds or more with the steering angle sensor zero point calibration cleared | Poor adjustment of wheel alignment |
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 STEERING ANGLE SENSOR ZERO POINT CALIBRATION |
(a) Drive the vehicle straight ahead at 30 km/h (19 mph) or more for at least 5 seconds.
(b) Check that the slip indicator light turns off.
| NG | | GO TO STEP 4 |
|
| 3. | CLEAR VEHICLE CONTROL HISTORY |
(a) Using the Techstream, clear the Vehicle Control History.
Chassis > Brake > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
| NEXT | | END |
| 4. | ADJUST WHEEL ALIGNMENT |
for Front: Click here .gif)
for Rear: Click here
|
| 5. | PERFORM ZERO POINT CALIBRATION OF STEERING ANGLE SENSOR |
(a) Drive the vehicle straight ahead at 30 km/h (19 mph) or more for at least 5 seconds.
|
| 6. | CLEAR VEHICLE CONTROL HISTORY |
(a) Using the Techstream, clear the Vehicle Control History.
Chassis > Brake > Utility| Tester Display |
|---|
| Vehicle Control History (RoB) |
| NEXT | | END |
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Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE:
Always use a new bolt, grommet, tubeless tire valve and valve core when installing the tire pressure warning valve and transmitter.
Check that the washer and nut are not damaged, and replace them if necessary.
Make sure not to damage the urethane c
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 confirm the problem. Click here
NEXT 3. CHECK DTC AND FREEZE FRAME DATA* (a) C
