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: Intake Actuator Repair procedures
Inspection 1. Ignition "OFF" 2. Disconnect the intake actuator connector. 3. Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 4. 4. Verify that the intake actuator operates to the fresh position when connecti ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Repair procedures
Inspection 1. Disconnect the ignition switch connector (B) and key warning switch connector (A) from under the steering column. 2. Check for continuity between the terminals. 3. If continuity is not specified, replace the switch. Removal 1. Disconnect the negative (-) battery termin ...