Subaru Legacy 2004 Service Manual page 1306

Description nector
GND (Front oxygen (A/
B134
F) sensor heater 1)
GND (Front oxygen (A/
B134
F) sensor heater 2)
Intake camshaft posi-
B135
tion sensor (LH)
Intake camshaft posi-
B135
tion sensor (RH)
Main B136
Electronic
Sub B136
throttle
control
Power
B136
supply
GND
B136
(sensor)
Electronic throttle con-
B137
trol motor (+)
Electronic throttle con-
B137
trol motor (")
Electronic throttle con-
B137
trol motor power supply
Electronic throttle con-
B135
trol motor relay
Intake
Signal (+) B134
AVCS
solenoid
Signal (") B134
(LH)
Intake
Signal (+) B134
AVCS
solenoid
Signal (") B134
(RH)
Exhaust
Signal (+) B134
AVCS
solenoid
Signal (") B134
(LH)
Exhaust
Signal (+) B134
AVCS
solenoid
Signal (") B134
(RH)
Exhaust Signal (+) B135
camshaft
Signal (") B135
position
sensor
Shield B135
(LH)
Exhaust Signal (+) B135
camshaft
Signal (") B135
position
sensor
Shield B135
(RH)
Engine Control Module (ECM) I/O Signal
Con-
Termi-
Ignition SW ON
nal No.
No.
(engine OFF)
7
6
8 0 or 5
9 0 or 5
0.64 — 0.72
18
Fully open: 3.96
1.51 — 1.58
29
Fully open: 4.17
16
35
5 Duty waveform
4 Duty waveform
6 10 — 13
ON: 0
35
OFF: 10 — 13
ON: 10 — 13
19
OFF: 0
29
ON: 10 — 13
18
OFF: 0
28
ON: 10 — 13
21
OFF: 0
31
ON: 10 — 13
20
OFF: 0
30
20
28
30
21
29
30
EN(H4DOTC)(diag)-17
Signal (V)
Engine ON
(idling)
0 0
0 0
0 or 5
0 or 5
0.64 — 0.72
(After engine is
warmed-up.)
1.51 — 1.58
(After engine is
warmed-up.)
5 5
0 0
Duty waveform
Duty waveform
13 — 14
ON: 0
OFF: 13 — 14
ON: 13 — 14
OFF: 0
0 0
ON: 13 — 14
OFF: 0
0 0
ON: 13 — 14
OFF: 0
0 0
ON: 13 — 14
OFF: 0
0 0
"7 — +7
0
0 0
0 0
"7 — +7
0
0 0
0 0
ENGINE (DIAGNOSTICS)
Note
—
—
Waveform
Waveform
Fully closed: 0.6 Fully open:
3.96
Fully closed: 1.48 Fully open:
4.17
—
—
Drive frequency: 500 Hz
Drive frequency: 500 Hz
—
When ignition switch is turned
to ON: ON
—
—
—
—
—
—
—
—
Waveform
—
—
Waveform
—
—