This article a guide on how to use Launch X431 to adjust torque sensor for Toyota 2006 C1515 & C1525 trouble code.Here you need to clear the trouble code firstly,then adjust the torque sensor,after then you will find the trouble code will not come back again.
Procedures:
Connect Launch X431 device to Toyota,then enter the menu to select “Toyota V48.81”
This software can diagnose Powertrain,Chassis and Body systems on Toyota vehicles.
Select “16 PIN DLC(Europe and other)”
Select “Automatically Search”
Up to 09/2010
Select “w/o Smart Key”
Then X431 will show the vehicle information as below
Check the vehicle information,then select “OK” to continue
Select “System Selection”
Select “Chassis”
Select “EMPS”
Then select “Special Function”
Select “Read Fault Code”
It prompts that C1515 and C1525 trouble code:
C1515:Torque Sensor Zero Point Adjustment Undone
C1525:Rotation Angle Sensor Initialization Undone
Tap to clear the trouble codes,it will prompt you the trouble code have been cleared.
Back to select “Special Function”
Select “Auto Search Special Function”
Select “Torque Sensor Adjustment”
Launch X431 will prompt you with below massage:
Use this function after replacing the following parts
1.EMPS ECU
2.Steering wheel
3.Tilt steering column assembly
4.Steering gear assembly
This function adjusts the steering angle position.
Please follow the prompt messages when you use this function
Tap”OK” to continue
Then you will enter the Torque Sensor Adjustment wizard as below,follow the massage.
Note:Please confirm the vehicle is still and IG switch is on
Turn ignition switch to OFF position
Turn ignition switch to ON position
Then press “OK” to continue
Turn ignition switch to OFF position
Turn ignition switch to ON position,the press OK to continue
Make sure the PS warning light is on,the press OK to proceed
Perform the following operations,then press OK
1.Set the steering wheel to the center position
2.Turn the steering wheel either direction 90 degrees or more
3.Turn the steering wheel back to the center position
4.Turn the steering wheel the opposite direction 90 degrees or more
5.Turn the steering wheel back to the center position
It will take about 40 seconds to calibrate,please wait…
When the process completing,it will prompt with below massage:
Make sure the steering wheel is centered
Note:During the next step,the steering wheel will vibrate.
Don’t touch the wheel while it is vibrating
Press OK to process
Please select “OK” if the wheel stops vibrating
It prompts that Torque Sensor Adjust is completed,then select ok
And now if you back to read the fault code,it will prompt you that there is no DTC exit in EMPS system.