DTC C1024
Precautions: Precautions for ESP® · Precautions for Diagnosing Trouble · Test with Speedometer Tester or Other Equipment · Precautions for Brakes · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
C1024: Steering Angle Sensor Circuit Performance
•CPU in steering angle sensor detects internal defect.
•Steering angle sensor signal is out of specified range. •Steering angle sensor signal does not change although vehicle is turning right or left. |
•Steering angle sensor
•ESP® control module |
DTC Troubleshooting
NOTE:
Detection of both DTC C1024 and C1075 means internal malfunction of steering angle sensor. Replace steering angle sensor. 
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “ESP® System Check” performed?
|
Go to Step 2.
|
Go to ESP® System Check.
|
| 2 |
DTC check
1)Perform DTC Check.
Is DTC U0073 and/or U0126 detected?
|
Go to applicable DTC troubleshooting.
|
Go to Step 3.
|
| 3 |
Are both DTC C1024 and C1075 detected?
|
Replace steering angle sensor.
|
Go to Step 4.
|
| 4 |
Steering angle sensor on-vehicle inspection
1)Check steering angle sensor.
Is check result OK?
|
Replace ESP® hydraulic unit / control module assembly and recheck DTC.
|
Replace steering angle sensor.
|