Component Inspection
1.

IG "OFF".

2.

IG "ON".

3.

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

4.

Using a GDS, Clear DTC.

5.

Select "Diagnostic Trouble Codes(DTCs)" 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 only

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

3) "Variant Coding" for 2WD/4WD type setting (refer to C1702)

▶ Fault is intermittent caused by a poor connection of HECU or was repaired and HECU memory was not cleared. Go to "Verification of Vehicle Repair" procedure.

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