Hyundai Santa Fe: 4WD Control System / Repair procedures

Hyundai Santa Fe (TM) 2019-2025 Service Manual / 4 Wheel Drive (4WD) System / 4WD Control System / Repair procedures

Removal

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

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

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

4.	Disconnect the 4WD ECU connector (A).

Loosen the nuts and then removing 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 procedures.

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

Schematic diagrams

Driveshaft and axle

Other information:

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Windshield Wiper-Washer Switch. Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the steering wheel. (Refer to - "Steering Wheel") 3. Remove the steering columm shround...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Repair procedures

Service Adjustment Procedure Steering Wheel Play Inspection 1. Turn the steering wheel so that the front wheels can face straight ahead. 2. Mark the center of the steering wheel...