| 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
4WD ECU Repair proceduresHyundai Tucson (LM) 2010-2015 Owners Manual: Reporting safety defects
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the
National Highway Traffic Safety Administration (NHTSA) in addition to notifying
HYUNDAI MOTOR AMERICA.
If NHTSA receives similar complaints, it may open an ...
Hyundai Tucson (LM) 2010-2015 Service Manual: ICM (Integrated Circuit Module) Relay Box Repair procedures
Inspection
Rear Wiper Relay
Check for continuity between the terminals.
1.
There should be continuity between the No.11 in the A and
No.12 in the A terminals when power and ground are connected to the No.2
in the A and No.11 in the A terminals.
2.
There should be no continuity between ...