Kia Cee'd Quiz
Brake System

Circuit Diagrams

In this manual: Brake System
General Information — 15Maintenance — 7Engine Mechanical System — 84Engine Electrical System — 49Emission Control System — 22Fuel System — 95Clutch System — 28Manual Transmission — 21Dual Clutch Transmission (DCT) System — 47Drive Shaft and Axle — 20Suspension System — 36Steering — 23Restraints — 39Brake System — 54Body (Interior and Exterior) — 209Body Electrical System — 254Heating, Ventilation, and Air Conditioning — 56
~2min read

Circuit Diagram - ABS (1)

Circuit Diagram - ABS (2)

Circuit Diagram - ABS (3)

ECU (ABS) Input/Output Connector
Wire Number Description Current Maximum allowable resistance of wire R_L (mOhm)
Max. min
13 Ground for Return Pump 39 A 10 A -
38 Ground for solenoid valves and
ECU		 15 A 2 A -
1 Power Supply for Pump Motor 39 A 10 A -
25 Power Supply for Solenoid Valves 15 A 2 A -
32 Voltage for hybrid ECU 1 A 500 mA 60
22,6,20,31 Wheel speed sensor signal FL, FR, RL, RR 16.8 mA 5.9 mA 250
34,18,33,19 Power supply for active wheel speed sensor FL, FR, RL, RR 16.8 mA 5.9 mA 250
30 Stop lamp switch (Signal) 10 mA 5 mA 250
14 CAN Low 30 mA 20 mA 250
26 CAN High 30 mA 20 mA 250
27 Wheel Speed Sensor Output Open Drain - -

HECU ABS Connector
Connector Terminal Specification Condition
Number Description
13 Ground for Return Pump Current range: Min. 10 A
Max. 39 A		 Always
38 Ground for solenoid valves and
ECU		 Current range: Min. 2 A
Max. 15 A		 Always
1 Power Supply for Pump Motor Battery Voltage Always
25 Power Supply for Solenoid Valves
34 Power supply for active wheel speed sensor FL, FR, RL, RR Battery Voltage IG ON
18
33
19
22 Wheel speed sensor signal FL, FR, RL, RR Voltage (high): 0.26 ~ 0.37 V
Voltage (low): 0.13 ~ 0.18 V		 While driving
6
20
31
32 Voltage for hybrid ECU Battery Voltage KEY ON/OFF
30 Stop Lamp Switch Voltage (high) ≥ 4.5 * IG ON
Voltage (low) ≤ 2.0 * IG ON		 Brake ON/OFF

Sensor Output on GDS (ABS)
Description Abbreviation Unit Notes
1 Vehicle speed sensor VEH SPD km/h
2 Battery Voltage BATT VOLT B
3 FL Wheel Speed Sensor FL WHEEL km/h
4 FR Wheel Speed Sensor FRONT WHEEL km/h
5 RL Wheel Speed Sensor RIGHT WHEEL km/h
6 Rear Wheel Speed Sensor REAR WHEEL km/h
7 ABS Warning Lamp ABS LAMP -
8 EBD Warning Lamp EBD LAMP -
9 Stop Lamp B/LAMP -
10 Pump relay status PUMP -
11 Valve relay status VALVE RELAY -
12 Motor ENGINE -
13 Front left valve (IN) FL INLET -
14 Front right valve (IN) FRONT INLET -
15 Rear left valve (IN) REAR INLET -
16 Rear right valve (IN) REAR INLET -
17 Front left valve (OUT) FL OUTLET -
18 Front right valve (OUT) FRONT OUTLET -
19 Rear left valve (OUT) RL OUTLET -
20 Rear right valve (OUT) REAR OUTLET -

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