Fuel Injector - Subaru Legacy 2004 Service Manual

ENGINE (DIAGNOSTICS)
Description
Test mode connector
Signal
Knock
sensor
Shield
Back-up power supply
Control module power
supply
Sensor power supply
#1
#2
Ignition
control
#3
#4
#1
#2
Fuel injec-
tor
#3
#4
Signal 1
Fuel pump
control unit
Signal 2
A/C relay control
Radiator fan relay 1
control
Radiator fan relay 2
control
Malfunction indicator
light
Engine speed output
Purge control solenoid
valve
Signal
Manifold
Power
absolute
supply
pressure
GND
sensor
(sensor)
Blower fan switch
Power steering oil pres-
sure switch
Front oxygen (A/F) sen-
sor signal (+)
Front oxygen (A/F) sen-
sor signal (")
Front oxygen (A/F) sen-
sor shield
SSM communication
line
GND (injector)
GND (sensor)
GND (ignition system)
GND (power supply)
GND (control system)
Engine Control Module (ECM) I/O Signal
Con-
Termi-
nector
Ignition SW ON
nal No.
No.
(engine OFF)
B137 15 10 — 13
B136 25
B136 33
B135 19 10 — 13
B135 5 10 — 13
B135 6 10 — 13
B136 16
B135 18
B135 17
B135 16
B135 16
B136 6 10 — 13
B136 5 10 — 13
B136 4 10 — 13
B136 3 10 — 13
B137 28 10 — 13
B135 27
ON: 0.5 or less
B135 33
OFF: 10 — 13
ON: 0.5 or less
B135 25
OFF: 10 — 13
ON: 0.5 or less
B135 24
OFF: 10 — 13
B134 17
B134 23
ON: 1 or less
B134 14
OFF: 10 — 13
B136 22 1.7 — 2.4
B136 16
B136 35
ON: 0
B137 13
OFF: 10 — 13
B137 10 10 — 13
B134 33 2.8 — 3.2
B134 26 2.4 — 2.7
B134 25
Less than 1#$ More
B137 20
than 4
B137 7
B136 35
B135 12
B135 4
B135 1
B137 1
B137 2
EN(H4DOTC)(diag)-16
Signal (V)
Engine ON
(idling)
13 — 14
2.8 2.8
0
13 — 14
13 — 14
13 — 14
5
0 13 — 14
0 13 — 14
0 13 — 14
0 13 — 14
1 — 14
1 — 14
1 — 14
1 — 14
13 — 14
0 or 5 0 or 5
ON: 0.5 or less
OFF: 13 — 14
ON: 0.5 or less
OFF: 13 — 14
ON: 0.5 or less
OFF: 13 — 14
—
— 0 — 13 or more
ON: 1 or less
OFF: 13 — 14
1.1 — 1.6
5
0
ON: 0
OFF: 13 — 14
ON: 0
OFF: 13 — 14
2.8 — 3.2
2.4 — 2.7
0
Less than 1#$ More
than 4
0
0
0
0
0
0
0
When connected: 0
0
Ignition switch "OFF": 10 — 13
5
Waveform
Waveform
Waveform
Waveform
Waveform
Waveform
Waveform
Waveform
Waveform
Model with A/C
Light "ON": 1 or less
—
Light "OFF": 10 — 14
Waveform
Waveform
5
0
With manual A/C model only
0
0
0
0
0
0
0
0
Note
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