Subaru Forester 2004 Service Manual page 20

DESCRIPTION Connector No.
Radiator fan relay 2 con-
trol
Malfunction indicator
light
Engine speed output
Purge control solenoid
valve
Signal
Manifold
Power
absolute
supply
pressure
GND
sensor
(sensors)
Small light switch
Blower fan switch
Rear defogger 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/GST communica-
tion line
GND (injector)
GND (ignition system)
GND (power supply)
GND (control system)
GND (Front oxygen (A/F)
sensor heater 1)
GND (Front oxygen (A/F)
sensor heater 2)
Camshaft position sen-
sor (LH)
Camshaft position sen-
sor (RH)
Fuel level sensor
Main
Electronic
Sub
throttle
control
Power
supply
GND
(sensor)
Engine Control Module (ECM) I/O Signal
Terminal No.
B135 24
B134 17
B134 23
B134 14
B136 22
B136 16
B136 35
B137 12
B137 13
B137 11
B137 10
B134 33
B134 26
B134 25
B137 20
B137 7
B135 12
B135 4
B135 1
B137 1
B137 2
B134 7
B134 6
B135 8
B135 9
B136 20
B136 18
B136 29
B136 16
B137 3
EN(H4DOTC 2.5)-19
Signal (V)
Ignition SW ON Engine ON
(engine OFF) (Idling)
ON: 0.5, or less ON: 0.5, or less
OFF: 10 — 13 OFF: 13 — 14
— —
— 0 — 13, or more
ON: 1, or less ON: 1, or less
OFF: 10 — 13 OFF: 13 — 14
1.7 — 2.4 1.1 — 1.6
5 5
0 0
ON: 0 ON: 0
OFF: 10 — 13 OFF: 13 — 14
ON: 0 ON: 0
OFF: 10 — 13 OFF: 13 — 14
ON: 0 ON: 0
OFF: 10 — 13 OFF: 13 — 14
ON: 0
10 — 13
OFF: 13 — 14
2.8 — 3.2 2.8 — 3.2
2.4 — 2.7 2.4 — 2.7
0 0
1 ← → 4 1 ← → 4
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
ON: 0
0 — 0.9
OFF: 4.7 — 5.3
ON: 0
0 — 0.9
OFF: 4.7 — 5.3
0.12 — 4.75 0.12 — 4.75
0.64 — 0.72 0.64 — 0.72
Fully opens: (After engine is
3.96 warmed-up.)
1.51 — 1.58 1.51 — 1.58
Fully opens: (After engine is
4.17 warmed-up)
5 5
0 0
ENGINE (DIAGNOSTIC)
NOTE
Model with A/C only
Light "ON": 1, or less
Light "OFF": 10 — 14
Waveform
Waveform
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Waveform
Waveform
—
Fully closed: 0.6 Fully opens:
3.96
Fully closed: 1.48 Fully opens:
4.17
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