Are any DTCs present ?
 | ▶ Substitute with a known-good EPS ECU and check for proper operation. If the problem is corrected,replace EPS ECU and then go to "Verification of Vehicle Repair" procedure. ※ In a case of replacing the Steering Angle Sensor, operate "Steering Angle Sensor Calibration" by GDS. ▶ 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, operate following functions 1) "HAC Enable/Disable" for HAC set. - ESP only 2) "Longituginal Sensor Calibration" for Longituginal sensor offset correction (refer to C1285) - ESP only ※ Above function should be preformed in order of precedence [1)→2)] |
 | ▶ Fault is intermittent caused by poor connection in CAN signal harness and/or HECU's connector. Go to "Verification of Vehicle Repair" procedure. |
