Subaru Legacy (2005 year). Manual - part 426
EN(H6DO)(diag)-17
ENGINE (DIAGNOSTICS)
Engine Control Module (ECM) I/O Signal
5. Engine Control Module (ECM) I/O Signal
A: ELECTRICAL SPECIFICATION
Description
Connector
No.
Termi-
nal
No.
Signal (V)
Reference
Ignition SW ON
(engine OFF)
Engine ON
(idling)
Crankshaft
position sen-
sor
Signal (+)
B135
10
0
−7 — +7
Waveform
Signal (
−)
B135
22
0
0
—
Shield
B135
31
0
0
—
Camshaft position sensor
(LH)
B135
8
0.275
0 or 5
Waveform
Camshaft position sensor
(RH)
B135
9
0.275
0 or 5
Waveform
Electronic
throttle control
Main
B136
18
0.64 — 0.94
Fully opened: 4.01
0.64 — 0.72
(After engine is
warmed-up.)
Fully closed: 0.6
Fully opened: 4.01
Sub
B136
29
1.51 — 1.76
Fully opened: 4.23
1.51 — 1.58
(After engine is
warmed-up.)
Fully closed: 1.48
Fully opened: 4.23
Electronic throttle control
motor (+)
B137
5
Duty waveform
Duty waveform
Drive frequency: 500 Hz
Electronic throttle control
motor (
−)
B137
4
Duty waveform
Duty waveform
Drive frequency: 500 Hz
Electronic throttle control
motor power supply
B137
6
10 — 13
12 — 14
—
Electronic throttle control
motor relay
B135
35
ON: 0
OFF: 10 — 13
ON: 0
OFF: 13 — 14
When ignition switch is
turned to ON: ON
Accelerator
pedal position
sensor
Main
B136
17
Fully closed: 1
Fully opened: 3.6
Fully closed: 1
Fully opened: 3.3
—
Power
supply
B136
15
5
5
—
Ground
B136
34
0
0
—
Sub
B136
28
Fully closed: 1
Fully opened: 3.7
Fully closed: 1
Fully opened: 3.3
—
Engine coolant temperature
sensor
B136
14
1.0 — 1.4
1.0 — 1.4
After engine is warmed-up.
Starter switch
B137
8
0
0
Cranking: 8 — 14
EN-01812
B134
5
6
7
8
2
1
9
4
3
10
24
22
23
25
11
12
13
14
15
26
27
28
16
17
18
19
20
21
33
34
29
32
30
31
B136
5
6
7
8
2
1
9
4
3
10
24
22
23
25
11
12
13
14
15
26
27
28
16
17
18
19
20
21
33
34
29
32
30
31
35
B135
5
6
7
8
2
1
9
4
3
10
24
22
23
25
11
12
13
14
15
26
27
28
16
17
18
19
20
21
29
30
31
32
33
34
35
B137
5
6
7
8
2
1
9
4
3
10
22
23
11
12
13
14
15
24
25
26
16
17
18
19
20
21
27
28
29
30
31
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