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 Owners Manual: Severe driving conditions
A - Repeatedly driving short distance of less than 5 miles (8 km) in normal temperature
or less than 10 miles (16 km) in freezing temperature
B - Extensive engine idling or low speed driving for long distances
C - Driving on rough, dusty, muddy, unpaved, graveled or salt-spread roads
D - Drivin ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Photo Sensor Repair procedures
Inspection
1.
Ignition "ON"
2.
Using the scan tool.
3.
Emit intensive light toward photo sensor using a lamp, and check the output voltage change.
4.
The voltage will rise with higher intensive light and reduce with lower intensive light.
1. Sensor Ground2. 5V (Vcc)3. Photo Sensor ...
