Component Inspection

Turn "OFF" the ignition switch.
Connect GDS to DLC (Data Link Cable).
Turn "ON" the ignition switch.
Clear the DTC using GDS.
Step on and off the brake pedal several times.
Check the DTC. Did the DTC return?
YES
- Replace it with a new ESP (ESC) and check for its operation. If okay, put the new ESP (ESC) in place and go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- This fault can be intermittently caused by pressure sensor. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NOTE:
* In a case of replacing ESP (ESC), perform following functions
1. "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C126104 ) -ESP (ESC) only
2. "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to C128504 ) - ESP (ESC) only
3. "Variant Coding" for option coding (refer to C170204 )