Kia Sportage: DBC Switch

Kia Sportage Third generation (SL) - (2011-2016) - Service and Repair Manual / Brake System / ESC (Electronic Stability Control) System / DBC Switch

Description and Operation


The DBC function is the acronym word of Downhill Brake Control function. When a vehicle goes down the hill, just pushing the DBC switch enables the car to keep its vehicle's speed at a constant value without operating the brake pedal. The DBC function is operated when the vehicle is on the decline and its velocity is under the predetermined speed.

Repair procedures


1. Turn ignition switch OFF and disconnect the negative (-) battery cable.

2. Remove the crash pad side switch assembly.

3. Check the continuity between the switch terminals as the DBC switch is

3. Check the continuity between the switch terminals as the DBC switch is engaged.

Steering Angle Sensor

Steering Angle Sensor

Description and Operation


The Steering Angle Sensor (SAS) is installed in MDPS (Motor Driven Power Steering) and it sends messages to HECU though CAN communication line.

The SAS is used to determine turning direction and speed of the steering wheel.

The HECU uses the signals from the SAS when performing ESC-related calculations.

Components (Steering Angle Sensor, Torque Sensor, Failsafe relay, etc.) of the EPS system are located inside the steering column & EPS unit assembly and the steering column & EPS runt assembly must not be disassemble to inspect or replace them. (Refer to "ST (Steering system) Gr.")


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