Power Supply - Subaru Legacy 2004 Service Manual

Content
Power supply
Front LH wheel
Front RH wheel
ABS wheel speed sen-
sor
Rear LH wheel
Rear RH wheel
Output (Lateral G sensor)

Power supply

Output (Yaw rate sensor)
Yaw rate & lateral G
sensor
Standard (Yaw rate sensor)
Test
Ground
CAN communication line (+)
CAN communication line (#)
Valve relay power supply
Motor relay power supply
Power supply
Pressure sensor Output voltage
Ground
ABS warning light
Brake warning light (EBD warning light)
Stop light switch
Diagnosis connector
Subaru Select Monitor
Vehicle speed output signal
Ground
Control Module I/O Signal
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Terminal
No.
(+) - (#)
14 - 6
Power
41 - 6
supply
Signal 25
Power
22 - 6
supply
Signal 21
Power
24 - 6
supply
Signal 40
Power
23 - 6
supply
Signal 38
3 - 16
30 - 16
28 - 16
1 - 16
2 - 16
16
13
29
5 - 6
9 - 10
27 - 12
11 - 12
12
35 - 6
20 - 6
37 - 6
17
26 - 6
36
6
VDC(diag)-13
Input/Output signal
Measured value and measuring conditions
When the ignition switch is ON, 10 - 15 V.
4.5 - 16.5 V
5.9 - 16.8 mA: Rectangle waveform
4.5 - 16.5 V
5.9 - 16.8 mA: Rectangle waveform
4.5 - 16.5 V
5.9 - 16.8 mA: Rectangle waveform
4.5 - 16.5 V
5.9 - 16.8 mA: Rectangle waveform
When the vehicle is on level, 2.35 - 2.65 V.
When the ignition switch is ON, 8 - 16 V.
Waveform
<Ref. to VDC(diag)-15, WAVEFORM, MEASURE-
MENT, Control Module I/O Signal.>
2.1 - 2.9 V
5 - 1 V cycle for 40 ms pulse signal.
<Ref. to VDC(diag)-15, WAVEFORM, MEASURE-
MENT, Control Module I/O Signal.>
-
2.5 - 1.5 V pulse signal
3.5 - 2.5 V pulse signal
When the ignition switch is ON, 10 - 15 V.
When the ignition switch is ON, 10 - 15 V.
When the ignition switch is ON, 4.75 - 5.25 V.
0.48 - 0.72 V (when releasing the brake pedal)
-
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.
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.
Less than 1.5 V when the stop light is OFF; otherwise,
10 - 15 V when the stop light is ON.
When the ignition switch is ON, 10 - 15 V.
0 $% 12 V pulse (in communication)
0 $% 5 V pulse
-