Hyundai Santa Fe (DM): 4WD ECU. Repair procedures - 4WD Control System - 4 Wheel Drive (4WD) SystemHyundai Santa Fe (DM): 4WD ECU. Repair procedures

Replacement

1.
Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learing with the GDS tool.
2.
Disconnect the battery negative cable from the battery
3.
Disconnect the 4WD ECU connector (A).

4.
Loosen the nust (A) and then remove the 4WD ECU.

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


Installation

1.
Install in the reverse order of removal.
2.
Prior to installing a new ECU, upload the original ECU’s clutch learing to the replacement ECU using the GDS tool.

4WD ECU. Schematic Diagrams
Circuit Diagram 4WD ECU Connector Pin Function 1 CAN communication line (Low) 2 CAN communication line (High) 3 - 4 Pressure sensor signal(+) 5 - 6 Lock mode switch 7 Oil pressure motor B 8 Oil pressure ...

See also:

Balance Shaft & Oil Pump. Components and Components Location
Components 1. Balance shaft & oil pump assembly 2. Balance shaft chain tensioner 3. Balance shaft chain 4. Balance shaft chain sprocket 5. Balance shaft chain guide 6. Balance shaft chain tensioner ...

Armed stage
Using the smart key (if equipped) Park the vehicle and stop the engine. Arm the system as described below. 1. Turn off the engine. 2. Make sure that all doors, the engine hood and tailgate lid are closed ...

Smart key precautions
The smart key will not work if any of the following occur: - The smart key is close to a radio transmitter such as a radio station or an airport which can interfere with normal operation of the smart ...