ABS CIRCUIT DIAGRAM(1)
ABS CIRCUIT DIAGRAM(2)
ECU CONNECTOR INPUT/OUTPUT(ABS)

Wire No.

Designation

Current

max.permissible wire resistance R_L (mΩ)

min.leakage resistance R_P (kΩ)

max

min

1

Ground for recirculation pump

20~39 A

10 A

10

4

Ground for solenoid valves and ECU

5~15 A

2.5 A

10

2

Voltage supply for pump motor

20~39 A

10 A

10

200

3

Voltage supply for solenoid valves

5~15 A

2 A

10

200

18

Voltage for hybrid ECU

1 A

500 mA

60

200

5,10,17,19

signal wheel speed sensor FL, FR, RL,RR

6 mA

16 mA

250

200 to ground 1.5M to bat

16,9,6,8

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

6 mA

16 mA

250

200 to ground 1.5M to bat

14,24

wheel speed sensor output (FR, RL)

20 mA

10 mA

250

200

11

Diagnostic wire K

6 mA

3 mA

250

200

22

ABS-warning lamp actuation

30 mA

5 mA

250

200

12

EBD-warning lamp actuation

30 mA

5 mA

250

200

20

brake light switch

10 mA

5 mA

250

200

15

CAN Low

30 mA

20 mA

250

200

26

CAN High

30 mA

20 mA

250

200

ABS HECU CONNECTOR

Connector terminal

Specification

Condition

Number

Description

1

Ground for recirculation pump

Current range: Min.10A

Max.20~39A

Always

4

Ground for solenoid valves and ECU

Current range: Min.2.5A

Max.5~15A

Always

2

Voltage supply for pump motor

Battery voltage

Always

3

Voltage supply for solenoid valves

16

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

Battery voltage

IG ON

9

6

8

5

signal wheel speed sensor FL, FR, RL,RR

Voltage(High) : 0.89~1.26 V

Voltage (Low) : 0.44~0.63 V

On driving

10

17

19

11

Diagnostic wire K

Voltage (High) ≥ 0.8 * IG ON

Voltage (Low) ≤ 0.2 * IG ON

On HI-SCAN communication

18

Voltage for hybrid ECU

Battery voltage

KEY ON/OFF

20

Brake light switch

Voltage (High) ≥ 0.8 * IG ON

Voltage (Low) ≤ 0.3 * IG ON

BRAKE ON/OFF

SENSOR OUTPUT ON Hi-SCAN(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