6.
Are any DTCs present?
 | ▶ Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU, and then go to "Verification of Vehicle Repair" procedure. note ※ In a case of replacing HECU, perform following functions. 1) "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C126104) -ESP(ESC) only 2) "Longituginal Sensor Calibration" for Longituginal sensor offset correction (refer to C128504) - ESP(ESC) only 3) "Variant Coding" for option coding (refer to C170204) |
 | ▶ Fault is intermittent caused by faulty HECU or was repaired and HECU memory was not cleared. Go to "Verification of Vehicle Repair" procedure. |
