Hyundai Tucson: 4WD Control System / 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 from the battery
3.
Disconnect the 4WD ECU connector (A).

4.
Loosen the nust (A) and then remove the 4WD ECU.

Tightening torque:
9.8 ~11.8N.m (1.0~1.2kgf.m, 7.2~8.7lb-ft)

Installation
1.
Install in the reverse order of removal.
2.
Prior to installing a new ECU, upload the original ECU’s clutch learing to the replacement ECU using the GDS tool.
(Refer to 4WD Control System - "Adjustment")
4WD ECU Schematic Diagrams
Circuit Diagram 4WD ECU Connector PinFunction1CAN communication line (Low)2CAN communication line (High)3-4Pressure sensor signal(+)5-6Lock mode switch7Oil pressure motor B8Oil pressure motor ...

Coupling Assembly
...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Oil Pan Repair procedures
Removal 1. Remove the under covers. (Refer to Engine and transaxle assembly) 2. Drain engine oil. 3. Remove the oil pan (A). (1) Unfasten the bolts. (2) Insert the blade of SST (09215-3C000) between the lower crankcase and the oil pan. Separate the applied sealer and remove the ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Radio : FM, AM OR XM
Seek Press the   key Shortly pressing the key (under 0.8 seconds): Changes the frequency. Pressing and holding the key (over 0.8 seconds): Automatically searches for the next frequency. Preset Seek Press the  ~   key Shortly pressing the key (under 0.8 seconds): ...

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