Hyundai Genesis: AWD Control System / AWD ECU Repair procedures

Removal

1.	IG Key "ON".

2.	Connect the GDS in the vehicle.

3.	To read the transfer case data in old ITA(ECU), select "ECU Data Back-up & Writing" service of GDS.

4.	IG key "OFF".

5.	Remove the under cover. (Refer to Engine mechanical system - "Engine room under cover")

6.	Disconnect ITA(ECU) connector (A).

7.	Release 2 screws (A).

8.	Remove the 4WD ITA(ECU) (B).

Installation

• Replace O-Ring(A) before reinstalling the 4WD ITA(ECU).

1.	Install the new 4WD ITA(ECU) (B).

2.	Tighten the fixings to 22Nm(2.2kgf.m, 15.9lb-lf).

3.	Check the connector pin for erosion.

4.	Connect vehicle wires and 4WD ITA(ECU) connector (A).

5.	IG Key "ON" Engine off.

6.	To write the transfer case data in new ITA, select "ECU Data Back-up & Writing" service of GDS.

7.	Perform initial calibration, select “T/C Clutch Calibration” service of GDS.

8.	IG Key "OFF", wait 10s or so.

9.	IG Key "ON", engine "OFF".

10.	Check if transfer case data are written correctly using "ECU Data Back-up & Writing" service of GDS.

11.	Check DTCs, for pending DTC, delete them.

12.	If still pending DTC’s or incorrect data written then IGN OFF and repeat whole procedure from point 5.

13.	No DTC’s available and correct backup data written, service procedure is successfully done.

AWD ECU Schematic Diagrams

Circuit diagram AWD ECU connector AWD ECU terminal function 1Motor electric power2Ground connection3Ignition4-5-6CAN high7CAN low8Electric power supply controller ...

Driveshaft and axle

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Other information:

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