Hyundai Tucson: 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: Repair procedures
Operation and Leakage Check
Check all of the following items :
ComponentProcedureBrake Booster (A)Check brake operation by applying the brakes during a test
drive. If the brakes do not work properly, check the brake booster.
Replace the brake booster as an assembly if it does not work proper ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: 45,000 miles (72,000 km) or 36 months
Rotating tires
Inspect air cleaner filter
Inspect vacuum hose
Inspect air conditioning refrigerant
Inspect brake hoses and lines
Inspect drive shafts and boots
Inspect exhaust pipe and muffler
Inspect front brake disc/pads, calipers
Inspect propeller shaft (AWD)
Inspect rear bra ...
