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1.

Turn Ignition "OFF" and then "ON".

2.

Monitor "Diagnostic Trouble Codes(DTC)" with GDS.

3.

Clear all DTCs in the system with GDS.

4.

Re-check DTC in the system with GDS.

5.

Are any DTCs stored in the system?

▶ Substitute with known-good ECM/PCM and then check for proper operation. If problem is corrected, replace ECM/PCM and then go to "Verification of Vehicle Repair" procedure.

▶ If problem still occurs after ECM/PCM is replaced, then replace HECU and then go to "Verification of Vehicle Repair" procedure.

▶ The system is operating correctly at this time.

caution

In case of replacing HECU, perform following procedures.

1. Perform "Auto Detected Configuration Reset(ESP(ESC) Only)" for Varian Coding.

Fig.1) 1st Screen of Vehicle S/W Management

Fig.2) 1st Screen of "Auto Detected Configuration Reset(ESP(ESC) Only)"

Fig.3) Final Screen of "Auto Detected Configuration Reset(ESP(ESC) Only)"

2. Perform "Steering Angle Sensor Calibration" for steering angle sensor.

Fig.1) S/W Mangement Main Screen

Fig.2) Steering Angle Sensor Calibration Screen

Fig.3) Condition Check Screen

Fig.4) Complete

3. "Longitudinal G-Sensor Calibration(HAC/DBC Only)" for longitudinal sensor offset correction.

Fig.1) 1st Screen of Vehicle S/W Management

Fig.2) 1st Screen of "Longitudinal G-Sensor Calibration(HAC/DBC Only)"

Fig.3) Final Screen of "Longitudinal G-Sensor Calibration(HAC/DBC Only)"

4. "HCU Air Bleeding Mode" for removing air in the HECU.

Fig.1) 1st Screen of Vehicle S/W Management

Fig.2) 1st Screen of "HCU Air Bleeding Mode"

Fig.3) 2st Screen of "HCU Air Bleeding Mode"

Fig.4) Complete