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 Service Manual: Specifications
Specifications Smart Key Unit ItemsSpecificationRated voltageDC 12VOperating voltageDC 9 ~ 16VOperating temperature-22°F ~ 167°F (-30°C ~ 75°C)LoadMax. 5mA (When welcome light function off) RF Receiver ItemsSpecificationFrequency433 MhzAntenna typeFSK (Frequency Shift Keying) Smart Ke ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Troubleshooting
Troubleshooting SymptionSuspect areaRemedyEngine misfire with abnormal internal lower engine noises • Worn crankshaft bearings • Loose or out of specification engine flywheel • Replace the crankshaft and bearings as required. • Repair or replace the flywheel as req ...