Electrical Specification

Fig 1: Identifying Control Module I/O Signal Terminal Connector

Courtesy of SUBARU OF AMERICA, INC.

NOTE:

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

INPUT/OUT DESCRIPTION CHART

Description

Terminal No. (+)-(-)

Input/Output signal

ABS wheel speed sensor (Wheel speed sensor)

Front LH wheel

1 - 16

0.12 - 1 V (at 20 Hz)

Front RH wheel

6 - 5

Rear LH wheel

3 - 2

Rear RH wheel

19 - 4

Valve relay power supply ⁽¹⁾

14 - 15

10-15V

Motor relay power supply ⁽¹⁾

13-15

10 -15V

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⁾

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 - 15V 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 - 15V 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

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