7105471

1.

IG "OFF".

2.

IG "ON".

3.

Connect GDS and select "Diagnostic Trouble Codes(DTC)" mode.

4.

Using a GDS, Clear DTC.

5.

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

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, operate following functions

1) "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C1261) - ESP(ESC) only

2) "Longituginal Sensor Calibration" for Longituginal sensor offset correction (refer to C1285) - ESP(ESC) only

▶ This fault is intermittently caused by pressure sensor. Go to "Verification of Vehicle Repair" procedure.