DESCRIPTION
Code | Tester Display | Measurement Item | Trouble Area |
---|---|---|---|
X20D7 | Zero Point Calibration of Steering Angle Sensor Malfunction | History of the steering angle sensor zero point calibration position differing from the stored value |
|
CAUTION / NOTICE / HINT
NOTICE:
After performing the inspection, check and clear the vehicle control history.
PROCEDURE
1. | CHECK DTC (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. | CLEAR VEHICLE CONTROL HISTORY |
(a) Using the Techstream, clear the Vehicle Control History.
Chassis > Brake/EPB > Utility Tester Display |
---|
Vehicle Control History (RoB) |
|
3. | CLEAR ZERO POINT VALUE FOR YAW RATE AND ACCELERATION SENSOR |
(a) Clear the zero point value for the yaw rate and acceleration sensor.
Click here
Chassis > Brake/EPB > Utility Tester Display |
---|
Reset Memory |
|
4. | PERFORM ZERO POINT CALIBRATION OF YAW RATE AND ACCELERATION SENSOR |
(a) Perform zero point calibration of the yaw rate and acceleration sensor.
Click here
Chassis > Brake/EPB > Utility Tester Display |
---|
Calibration |
|
5. | CHECK ZERO POINT CALIBRATION OF STEERING ANGLE SENSOR |
(a) Drive the vehicle straight ahead at 35 km/h (22 mph) or more for at least 5 seconds.
(b) Drive the vehicle at 15 km/h (9 mph) or more for at least 60 seconds.
(c) Check that the centered position of the steering wheel is correctly set while driving straight ahead.
OK:
The steering wheel is centered correctly.
NG | GO TO STEP 8 |
|
6. | INSPECT STEERING SYSTEM |
(a) Perform the steering system on-vehicle inspection.
Click here
OK:
Normal.
OK | USE SIMULATION METHOD TO CHECK |
|
7. | REPAIR OR REPLACE MALFUNCTIONING PART |
NEXT | GO TO STEP 9 |
8. | ADJUST WHEEL ALIGNMENT |
(a) Adjust the alignment (toe) of the wheels.
for Front: Click here
for Rear: Click here
|
9. | CLEAR VEHICLE CONTROL HISTORY |
(a) Using the Techstream, clear the Vehicle Control History.
Chassis > Brake/EPB > Utility Tester Display |
---|
Vehicle Control History (RoB) |
|
10. | CLEAR ZERO POINT VALUE FOR YAW RATE AND ACCELERATION SENSOR |
(a) Clear the zero point value for the yaw rate and acceleration sensor.
Click here
Chassis > Brake/EPB > Utility Tester Display |
---|
Reset Memory |
|
11. | PERFORM ZERO POINT CALIBRATION OF YAW RATE AND ACCELERATION SENSOR |
(a) Perform zero point calibration of the yaw rate and acceleration sensor.
Click here
Chassis > Brake/EPB > Utility Tester Display |
---|
Calibration |
|
12. | PERFORM ZERO POINT CALIBRATION OF STEERING ANGLE SENSOR |
(a) Drive the vehicle straight ahead at 35 km/h (22 mph) or more for at least 5 seconds.
(b) Drive the vehicle at 15 km/h (9 mph) or more for at least 60 seconds.
|
13. | CHECK VEHICLE CONTROL HISTORY |
(a) Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.
(b) Using the Techstream, check for Vehicle Control History.
Chassis > Brake/EPB > Utility Tester Display |
---|
Vehicle Control History (RoB) |
Result | Proceed to |
---|---|
Vehicle Control History is not output. | A |
Vehicle Control History is output. | B |
A | END |
B | GO TO VEHICLE CONTROL HISTORY |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Lane Control System: Steering Vibrator Component Internal Failure (C1A7496)
DESCRIPTION If the forward recognition camera receives a steering vibration ECU malfunction signal, DTC C1A7496 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A7496 Steering Vibrator Component Internal Failure While the lane control system is on, a malfunct ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Power Tilt And Power Telescopic Steering Column System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Power Tilt and Power Telescopic Steering Column System DTC No. Detection Item DTC Detection Condition Link B2603 Tilt and Telescopic Manual Switch Circuit Malfunction When operating the tilt and telescopic switch, an abnormal voltage value is sent to th ...