Subaru Legacy 2004 Service Manual page 449

5. Engine Control Module (ECM) I/O Signal
A: ELECTRICAL SPECIFICATION
DESCRIPTION
Crankshaft
Signal (+)
position sen-
sor (Model
Signal (")
with immobi-
Shield
lizer)
Crankshaft
Signal (+)
position sen-
sor (Model
Signal (")
without immo-
Shield
bilizer)
Camshaft
Signal (+)
position sen-
sor (Model
Signal (")
with immobi-
Shield
lizer)
Camshaft
Signal (+)
position sen-
sor (Model
Signal (")
without immo-
Shield
bilizer)
Main
Electronic
throttle control
Sub
Electronic throttle control
motor 1 (+)
Electronic throttle control
motor 2 (+)
Electronic throttle control
motor 1 (")
Engine Control Module (ECM) I/O Signal
B134
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27
28 29 30 31 32 33 34
B136
1 2 3 4 5 6
7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27
28 29 30 31 32 33 34 35
Connector Terminal
No. No.
B136 27
B136 24
B136 32
B136 26
B136 24
B136 32
B136 26
B136 25
B136 32
B136 27
B136 25
B136 32
B137 23
Fully opens: 3.7 — 4.3
B137 24
B137 2
B137 3
B137 4
EN(H4SO 2.0)(diag)-17
B135
1 2 3 4
8 9 10 11 12 13 14 15
20 21 22 23 24
28 29 30 31 32 33
B137
1 2 3 4
8 9 10 11 12 13 14 15
18 19 20 21 22 23
26 27 28 29
Signal (V)
Ignition SW ON Engine ON
(engine OFF)
0
0
0
0
0
0
0
0
0
0
0
0
0.4 — 1.1
(After engine is
warmed-up.)
3.9 — 4.8 4.05 — 4.95
Fully opens: (After engine is
0.65 — 1.5 warmed-up.)
Duty waveform Duty waveform
Duty waveform Duty waveform
Duty waveform Duty waveform
ENGINE (DIAGNOSTICS)
5 6 7
16 17 18 19
25 26 27
34 35
5 6 7
16 17
24 25
30 31
NOTE
(idling)
Sensor output wave-
"7 — +7
0
0
Sensor output wave-
"7 — +7
0
0
Sensor output wave-
"7 — +7
0
0
Sensor output wave-
"7 — +7
0
0
0.3 — 0.9
Drive frequency: 1 kHz
Drive frequency: 1 kHz
Drive frequency: 1 kHz
EN-01982
form
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form
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form
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form
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