Kia Cee'd: ABS(Anti-Lock Brake System) / Schematic diagrams

Circuit Diagram - ABS (1)

Circuit Diagram - ABS (2)

Circuit Diagram - ABS (3)

ECU Connector Input/Output (ABS)

 
Wire No.
Designation
Current
max.permissible wire resistance R_L (mΩ)
max
min
13
Ground for recirculation pump
39 A
10 A
-
38
Ground for solenoid valves and
ECU
15 A
2 A
-
1
Voltage supply for pump motor
39 A
10 A
-
25
Voltage supply for solenoid valves
15 A
2 A
-
32
Voltage for hybrid ECU
1 A
500 mA
60
22,6,20,31
signal wheel speed sensor FL, FR, RL,RR
16.8 mA
5.9 mA
250
34,18,33,19
Voltage supply for the active wheel speed sensor FL,FR, RL, RR
16.8 mA
5.9 mA
250
30
Brake light 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
-
-

ABS Hecu Connector
 
Connector terminal
Specification
Condition
Number
Description
13
Ground for recirculation pump
Current range: Min.10A
Max. 39A
Always
38
Ground for solenoid valves and
ECU
Current range: Min.2A
Max. 15A
Always
1
Voltage supply for pump motor
Battery voltage
Always
25
Voltage supply for solenoid valves
34
Voltage supply for the active wheel speed sensor FL,FR, RL, RR
Battery voltage
IG On
18
33
19
22
signal wheel speed sensor FL, FR, RL,RR
Voltage(High) : 0.26 ~ 0.37 V
Voltage (Low) : 0.13 ~ 0.18 V
On driving
6
20
31
32
Voltage for hybrid ECU
Battery voltage
KEY ON/OFF
30
Brake light switch
Voltage (High) ≥ 4.5 * IG ON
Voltage (Low) ≤ 2.0 * IG ON
Brake On/Off

Sensor Output On GDS(ABS)
 

Description
Abbreviation
Unit
Remarks
1
Vehicle speed sensor
VEH. SPD
Km/h

2
Battery voltage
BATT. VOL
V

3
FL Wheel speed sensor
FL WHEEL
Km/h

4
FR Wheel speed sensor
FR WHEEL
Km/h

5
RL Wheel speed sensor
RL WHEEL
Km/h

6
RR Wheel speed sensor
RR WHEEL
Km/h

7
ABS Warning lamp
ABS LAMP
-

8
EBD Warning lamp
EBD LAMP
-

9
Brake Lamp
B/LAMP
-

10
Pump relay state
PUMP RLY
-

11
Valve relay state
VALVE RLY
-

12
Motor
MOTOR
-

13
Front Left valve(IN)
FL INLET
-

14
Front Right valve (IN)
FR INLET
-

15
Rear Left valve (IN)
RL INLET
-

16
Rear Right valve (IN)
RR INLET
-

17
Front Left valve (OUT)
FL OUTLET
-

18
Front Right valve (OUT)
FR OUTLET
-

19
Rear Left valve(OUT)
RL OUTLET
-

20
Rear Right valve (OUT)
RR OUTLET
-


Description and operation
Description This specification applies to HCU(Hydraulic Control Unit) and ECU(Electronic Control Unit) of the HECU.(Hydraulic and Electronic Control Unit) This specification is ...

Troubleshooting
Standard Flow of Diagnostic Troubleshooting Notes With Regard To Diagnosis The phenomena listed in the following table are not abnormal.   Phenomenon Ex ...

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