Hyundai Tucson: Braking system / Downhill Brake Control (DBC)
The Downhill Brake Control (DBC) supports the driver come down a steep hill without depressing the brake pedal. It slows down the vehicle under 5mph (8 km/h) and lets the driver concentrate on steering the vehicle.
WARNING
Always turn off the DBC on normal roads. The DBC might activate inadvertently from the standby mode when driving through speed bumps or making sharp curves.
✽ NOTICE
- The DBC defaults to the OFF position whenever the ignition switch is placed in the ON position.
- Noise or vibration may occur from the brakes when the DBC is activated.
- The rear stop light comes on when DBC is activated.
Hill-Start Assist Control (HAC)
The Hill-Start Assist Control (HAC) prevents the vehicle from rolling backwards
when starting a vehicle from a stop on a hill. The system operates the brakes automatically
for approximately 2 seco ...
DBC operation
WARNING
If the DBC red indicator light illuminates, the system may have overheated
or have malfunctioned. When the warning light illuminates even though the DBC system
has cooled off, have your ...
Other information:
Hyundai Tucson (LM) 2010-2015 Service Manual: 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 A9-10-11Pressure sensor(Input)12Input sensor signal(-)13Battery power 14Ground15IG power16-17-1 ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Valve Body Repair procedures
Removal
1.
Remove the air duct.
(Refer to Engine Mechanical System - "Air cleaner")
2.
Remove the battery and the battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Remove the under cover (A).
Tightening torque :
19.6 ~ 24.5 N.m (2.0 ~ 2.5 kgf.m, 14.5 ~ 18.1 lb-ft) ...
