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: DBC operation
WARNING If the DBC red indicator light illuminates, the system may have overheated or have malfunctioned. When the warning light illuminates even though the DBC system has cooled off, have your vehicle checked by an authorized HYUNDAI dealer as soon as possible. ✽ NOTICE The DBC may ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Active ECO system
Active ECO operation Active ECO helps improve fuel efficiency by controlling the engine and transaxle. Fuel-efficiency is determined by the driver's driving habits and road conditions. When the Active ECO button is pressed the ECO indicator (green) will illuminate to show that the Active ...