Hyundai Kona: 4WD Control System / 4WD ECU Repair procedures

Replacement

1.	Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learing with the GDS tool. (Refer to 4WD Control System - "Repair procedure")

2.	Turn ignition switch OFF and disconnect the negative (-) battery cable.

3.	Remove the left side luggage side trim . (Refer to Body - "Luggage Side Trim")

4.	Disconnect the connector (A).

Losen the nuts and then remove the 4WD ECU (B).

Tightening torque :

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Installation

1.	To install, reverse the removal procedure.

2.	Prior to installing a new ECU, upload the original ECU’s clutch learing to the replacement ECU using the GDS tool. (Refer to 4WD Control System - "Repair procedure")

Circuit Diagram 1. Terminal Operation Terminal Operation 1 CAN LOW ...

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