Electrical Specification

Fig 1: View Of ABSCM&H/U Connector Terminal

Courtesy of SUBARU OF AMERICA, INC.

NOTE:

Terminal numbers in ABSCM&H/U connector are as shown in Fig 1 .
ABS warning light is illuminates when the connector is removed from ABSCM&H/U.

ABSCM&H/U Connector Terminal Description And Voltage Specifications

Description

Terminal No. (+) - (-)

Input/Output signal

Measured value and measuring conditions

ABS wheel speed sensor (Wheel speed sensor)

Front LH wheel

Power supply

16-15

4.5-16.5 V

Signal

5.9-16.8 mA: Rectangle waveform

Front RH wheel

Power supply

5-15

4.5-16.5 V

Signal

5.9-16.8 mA: Rectangle waveform

Rear LH wheel

Power supply

2-15

4.5-16.5 V

Signal

5.9-16.8 mA: Rectangle waveform

Rear RH wheel

Power supply

3-15

4.5-16.5 V

Signal

5.9-16.8 mA: Rectangle waveform

CAN communication line (+)

2.5-1.5 V pulse signal

CAN communication line (-)

3.5-2.5 V pulse signal

Valve relay power supply ⁽¹⁾1

14-15

10-15 V

Motor relay power supply ⁽¹⁾1

13-15

10-15 V

G sensor

Power supply

24-10

4.75-5.25 V

Ground

Output

21-10

2.1-2.5 V when the vehicle is on a level surface

Stop light switch ⁽¹⁾1

20-15

Less than 1.5 V when the stop light is OFF; otherwise, 10-15 V when the stop light is ON.

ABS warning light

22-15

After turning the ignition switch to ON, 10-15 V during 1.5 seconds and less than 1.5 V after 1.5 seconds passed.

Brake warning light (EBD warning light)

8-15

After turning the ignition switch to ON, 10-15 V during 1.5 seconds and less than 1.5 V after 1.5 seconds passed.

Subaru Select Monitor

7-15

Less than 1.5 V when no data is received. 0 <--> 12 V pulse (in communication)

Power supply ⁽¹⁾

18-15

When the ignition switch is ON, 10-15 V.

Grounding line

Vehicle speed output signal

23-15

0 <--> 5 V pulse

⁽¹⁾	Measure the I/O signal voltage after removing the connector from the ABSCM&H/U terminal.