Ignition "OFF".
Ignition "ON" & Engine "OFF".
Connect GDS and select "Diagnostic Trouble Codes(DTCs)" mode.
Using a GDS, Clear DTC.
Operate the vehicle within DTC Detecting Condition in General Information. (turn right and left at least 1 time)
Select "Diagnostic Trouble Codes(DTCs)" mode again.
Are any DTCs present?
![]() | ▶ Substitute with a known-good steering column & EPS ECU assembly and check for proper operation. If the problem is corrected, replace steering column & EPS unit assembly and then go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Fault is intermittent caused by faulty EPS ECU or was repaired and EPS ECU memory was not cleared. go to "Verification of Vehicle Repair" procedure. |