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Repair Procedures: Installation: Notes

Installation is the reverse of removal.
Tighten the HECU mounting bolts and nuts to the specified torque.
After installation, bleed the brake system. (Refer to BRAKE SYSTEM )
Variant coding.
2WD and 4WD vehicle are sharing the HECU each other. To apply appropriate vehicle, HECU needs to variant coding process.

Variant coding process is necessary when:
1. HECU is replaced.
2. C1702 DTC (variant coding error) code is detected.

Perform the Variant coding.

Fig 1: Display - Variant Coding Selection Screen

G00546197

Courtesy of HYUNDAI MOTOR CO.

Fig 2: Display - Variant Coding

G00546198

Courtesy of HYUNDAI MOTOR CO.

Perform the Longitudinal Sensor Calibration.
(Refer to Longitudinal G Sensor Calibration )