Hyundai Tucson: 4WD Control System / 4WD ECU Schematic Diagrams

Hyundai Tucson (LM) 2010-2015 Service Manual / 4 Wheel Drive (4WD) System / 4WD Control System / 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 motor A
9	-
10	-
11	Pressure sensor(Input)
12	Input sensor signal(-)
13	Battery power
14	Ground
15	IG power
16	-
17	-
18	-

4WD ECU Circuit Diagram

4WD ECU Flow Diagram

Power Flow Diagram 4WD ECU Input&Output Diagram ...

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 - "Adjustment") 2. Disconnect the battery negative cable fr ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Emergency towing
If towing is necessary, we recommend you have it done by an authorized HYUNDAI dealer or a commercial tow truck service. If towing service is not available in an emergency, your vehicle may be temporarily towed using a cable or chain secured to the emergency towing hook at the front (or rea ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the veh ...