6722205

1.

Wait until the brake disc sufficiently gets cold.

2.

Ignition "OFF" & Engine "OFF".

3.

Ignition "ON" & Engine "OFF".

4.

Connect scantool and select "Diagnostic Trouble Codes(DTCs)" mode

5.

Using a scantool, Clear DTC.

6.

Select "Diagnostic Trouble Codes(DTCs)" mode again.

7.

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.

※ In a case of replacing HECU, operate "Steering Angle Sensor Calibration" by scantool.

▶ Fault is intermittent caused by poor connection in HECU's connector or was repaired and HECU memory was not cleared.

▶ The DTC code can be set by excessive TCS control in normal system status. Go to "Verification of Vehicle Repair" procedure.