Subaru 2002 IMPREZA Service Manual page 458

ENGINE CONTROL MODULE (ECM) I/O SIGNAL
ENGINE (DIAGNOSTICS)
Content
Fuel level sensor
AT diagnosis input sig-
nal
Small light switch
Blower fan switch
Rear defogger switch
Front oxygen (A/F) sen-
sor signal 1
Front oxygen (A/F) sen-
sor signal 2
Front oxygen (A/F) sen-
sor signal 3
Front oxygen (A/F) sen-
sor signal 4
Pressure sensor
Intake air temperature
sensor
SSM/GST communica-
tion line
GND (sensors)
GND (injectors)
GND (ignition system)
GND (power supply)
GND (control systems)
GND (oxygen sensor
heater 1)
GND (oxygen sensor
heater 2)
Con-
Terminal
nector
Ignition SW ON
No.
No.
(Engine OFF)
B136 27 0.12 — 4.75
Less than 1 ←→
B135 4
More than 4
B136 3
OFF: 10 — 13
B136 30
OFF: 10 — 13
B135 21
OFF: 10 — 13
B136 19
B136 6
B136 7
B136 20
B136 5
B136 13
Less than 1 ←→
B135 3
More than 4
B136 16
B134 7
B134 27
B134 8
B136 21
B136 22
B134 35
B134 34
Signal (V)
Engine ON (Idling)
0.12 — 4.75
Less than 1 ←→
More than 4
ON: 0 ON: 0
OFF: 13 — 14
ON: 0 ON: 0
OFF: 13 — 14
ON: 0 ON: 0
OFF: 13 — 14
2.8 — 3.2 2.8 — 3.2
2.4 — 2.7 2.4 — 2.7
0.2 — 4.9 0.2 — 4.9
0.2 — 4.9 0.2 — 4.9
2.4 — 4.8 0.4 — 1.8
2.3 — 2.5 1.4 — 1.6
Less than 1 ←→
More than 4
0
0
0
0
0
0
0
0
EN-26
Note
For europe model
Waveform
0
0
0
0
0
0
0
0
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