Subaru IMPREZA 2002 Service Manual page 201

CONTROL MODULE I/O SIGNAL
ABS (DIAGNOSTICS)
Terminal No.
Contents
(+)-(-)
Front left wheel 9-1 0
ABS sensor*2 Front right wheel 11-12
(Wheel speed sensor) Rear left wheel 7-8
InputlOutput signal
Measured value and measuring conditions
0.12- 1
v
(When it is 20 Hz.)
I
Rear rightwheel
Valve relay power supply
Motor relay power supply
power supply
14-1 5
24-23 1 0 - 1 5 V
25-23 10-15V
30-28 4.75
-
5.25 V
G sensor*2
a
-
ground 28
output 6-28
2.3f0.2 V when the vehicle is in horizontal position.
ABS-I 5
Stop light switch*l
Less than 1.5 V when the stop light is OFF and, 10
-
15 V
when the stoD liaht is ON.
2-23
ABS warning light*2
A T ABS signal*2
(AT model only)
ABS operation signal monitor*2
Data is received.
Select monitor*2
ABS diagnosis connec- Terminal No. 3
tor*2 Terminal No. 6
Power supply*l
Grounding line
Grounding line
Data is sent.
. *
Less than 1.5 V during 1.5 seconds when ignition switch is ON,
and 10
-
15 V after 1.5 seconds.
Less than 1.5 V when the ABS control still operates and more
than 5.5 V when ABS does not operate.
Less than 1.5 V when the ABS control still operates and more
than 5.5 V when ABS does not operate.
Less than 1.5 V when no data is received.
4.75
-
5.25 V when no data is sent.
10
-
15 V when the ignition switch is ON.
10
-
15 V when the ignition switch is ON.
10
-
15 V when the ignition switch is ON.
22-23
31-23
3-23
20-23
29-23
4-23
1-23
23
26
5-23
-
-