General Information

Electric Parking Brake

C1103 Ignition Signal Failure - General Information

Component Location





General Description

The EPB system is the shorten word of Electric Parking Brake system. This system is the parking brake device which is used instead of the conventional hand-break system. When a driver presses the EPB button, the button signal is delivered to the EPB ECU and then the EPB actuator which consists of a motor and a gears is activated. At this time, while the motor in the EPB actuator rotates, the motor pulls the EPB cable connected to the rear wheels.

DTC Description

The EPB ECU monitors the ignition signal and if it isn't detected, this DTC is set.

DTC Detecting Condition





Diagnostic Circuit Diagram