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

20 ~ 39 A

10 A

-

38

Ground for solenoid valves and

ECU

5 ~ 15 A

2.5 A

-

1

Voltage supply for pump motor

20 ~ 39 A

10 A

-

25

Voltage supply for solenoid valves

5 ~ 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 mA

6 mA

250

34,18,33,19

Voltage supply for the active wheel speed sensor FL,FR, RL, RR

16 mA

6 mA

250

30

brake light switch

10 mA

5 mA

250

14

CAN Low

30 mA

20 mA

250

26

CAN High

30 mA

20 mA

250

27, 3

Wheel speed sensor output

20 mA

10 mA

250

4

Emergency stop signal output signal

200 mA

100 mA

150

29

Hazard switch input signal

200 mA

100 mA

150

ABS HECU Connector

Connector terminal

Specification

Condition

Number

Description

13

Ground for recirculation pump

Current range: Min.10A

Max.20 ~ 39A

Always

38

Ground for solenoid valves and ECU

Current range: Min.2.5A

Max.5 ~ 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) : 1.34~2.02 V

Voltage (Low) : 0.67~1.0 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

14

CAN Low

not communicating:2.5 ± 0.5 V

communication : 1.5 ± 0.5 V

IG ON

26

CAN High

not communicating:2.5 ± 0.5 V

communication : 3.5 ± 0.5 V

IG ON

27

Wheel speed sensor output

voltage(High) : ≥ Open drain

voltage(Low) : ≤ 1 V

On driving

4

ESS output signal

voltage(High) : ≥ Open drain

voltage(Low) : ≤ 1 V

On ESS operation

29

Hazard switch input signal

voltage(High) : ≥ 2V * IG ON

voltage(Low) : ≤ 0.8 V * IG ON

Hazard switch 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

-

Яндекс.Метрика