Subaru Legacy IV (2008 year). Service manual — part 300
EN(H4DOTC)(diag)-21
Engine Control Module (ECM) I/O Signal
ENGINE (DIAGNOSTICS)
Ground (engine 1)
B134
5
0
0
—
Ground (engine 2)
B137
7
0
0
—
Ground (engine 3)
B137
2
0
0
—
Ground (engine 4)
B137
1
0
0
—
Ground (engine 5)
B137
3
0
0
—
Ground (body)
B136
6
0
0
—
Input/output name
Measuring condition
Waveform
1. Crankshaft position sensor
At idling
2. Camshaft position sensor
At idling
Contents
Connector
No.
Terminal
No.
Signal (V)
Note
Ignition SW ON
(engine OFF)
Engine ON
(idling)
EN-05322
ONE CRANK ROTATION
5V
10ms
0
EN-05359
ONE CAM ROTATION
ONE CAM ROTATION
LH
5V
50ms
0
RH
0
EN(H4DOTC)(diag)-22
Engine Control Module (ECM) I/O Signal
ENGINE (DIAGNOSTICS)
JOINT
CONNECTOR
MT
1
5
4
11
13
2
3
AT
1
12
TEST MODE
CONNECTOR
A
CCELERA
T
OR PED
AL
POSITION SENSOR
JOINT
CONNECTOR
NEUTRAL
SWITCH
CLUTCH
SWITCH
STARTER
RELAY
IGNITION SWITCH
STARTER MOTOR
FUEL PUMP
CONTROL UNIT
FUEL
PUMP
RELAY
C25
C16
C6
B21
B29
B22
B30
B31
B27
B23
M/B FUSE No. 13
F/B FUSE No. 4
TCM
MT
MT
MT
MT
DATA LINK
CONNECTOR
MT
MT
AT
AT
CLUTCH START
SWITCH
INHIBITOR
RELAY
C32
B5
B19
B17
C12
C31
B33
C20
AT
FUEL
TEMPER-
ATURE
SENSOR
12
EN-06976
F/B FUSE No. 21
F/B FUSE No. 12
M/B FUSE No. 11
EN(H4DOTC)(diag)-23
Engine Control Module (ECM) I/O Signal
ENGINE (DIAGNOSTICS)
D29
C23
C21
C1
SBF-5
SBF-7
A22
D18
B2
A7
A11
7
6
A21
5
C7
D19
D20
D21
D26
D6
C11
A30
A33
C22
I/F
I/F
EN-05715
MAIN
RELAY
ELECTRONIC
THROTTLE
CONTROL
RELAY
PURGE CONTROL
SOLENOID VALVE 1
PURGE CONTROL
SOLENOID VALVE 2
INTAKE CAMSHAFT
POSITION SENSOR LH
INTAKE CAMSHAFT
POSITION SENSOR RH
POWER STEERING
OIL PRESSURE
SWITCH
F/B FUSE No.7
F/B FUSE No.5
IGNITION COIL
No.1
IGNITION COIL
No.2
IGNITION COIL
No.3
IGNITION COIL
No.4
PCV
HOSE ASSY
COMBINATION METER
MALFUNCTION
INDICATOR LIGHT
MICR
O COMPUTER
CAN
TRANSCEIVER
& RECEIVER
TACHO-
METER
SPEEDO-
METER
ENGINE
COOLANT
TEMPER-
ATURE
GAUGE
POWER
SUPPLY CIRCUIT
BOD
Y INTEGRA
TED
UNIT (CAN
COMMUNICA
TION)
EN(H4DOTC)(diag)-24
Engine Control Module (ECM) I/O Signal
ENGINE (DIAGNOSTICS)
A18
D11
D10
D9
D8
D27
B18
A34
A29
A6
A19
D4
A28
D5
B34
B26
B35
7
4
8
7
3
10
9
EN-06126
FUEL INJECTOR No. 1
FUEL INJECTOR No. 2
FUEL INJECTOR No. 3
FUEL INJECTOR No. 4
WASTEGATE
SOLENOID VALVE
MASS AIR FLO
W
& INT
AKE AIR
TEMPERA
TURE
SENSOR
ENGINE
COOLANT
TEMPERATURE
SENSOR
MANIFOLD
ABSOLUTE
PRESSURE
SENSOR
ELECTRONIC
THROTTLE
CONTROL
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