Engine Control Module (Ecm) I/O Signal - Subaru 2002 IMPREZA Service Manual

ENGINE CONTROL MODULE (ECM) I/O SIGNAL

Content nector
Signal
Mass air
flow sen- Shield
sor
GND
Intake air temperature
B135
sensor signal
Exhaust Signal B135
gas tem-
GND
perature
B135
(sensor)
sensor
Signal
Tumble
generator
Power
valve posi- B135
supply
tion sensor
GND
RH
B135
(sensor)
Signal
Tumble
generator
Power
valve posi- B135
supply
tion sensor
GND
LH
B135
(sensor)
Tumble generator valve
RH (open)
Tumble generator valve
RH (close)
Tumble generator valve
LH (open)
Tumble generator valve
LH (close)
Wastegate control sole-
B137
noid valve
Starter switch B134
A/C switch B134
Ignition switch B134
Neutral position switch B134
Test mode connector B134
Signal B135
Knock
sensor
Shield B135
Back-up power supply B137
B137
Control unit power sup-
ply
B137
Sensor power supply B135
Line end check 1 B134
#1 B136
#2 B136
Ignition
control
#3 B136
#4 B136
Con-
Termi-
Ignition SW ON
nal No.
No.
(Engine OFF)
B84 13
B84 8
B84 7
27
16
19
B84 23
9
19
B84 13
9
19
B84 4 0 or 5
B84 5 0 or 5
B84 11 0 or 5
B84 10 0 or 5
24 10 — 13
16
ON: 10 — 13
6
OFF: 0
14 10 — 13
8
5
4
22
10 10 — 13
2 10 — 13
3 10 — 13
9
10
24
23
22
21
EN(TURBO)-23
Signal (V)
Engine ON (Idling)
— 0.3 — 4.5
0 0
0 0
— —
— —
0 0
Fully closed: 0.2 — 1.0
Fully opened: 4.2 — 4.7
5 5
0 0
Fully closed: 0.2 — 1.0
Fully opened: 4.2 — 4.7
5 5
0 0
0 or 5
0 or 5
0 or 5
0 or 5
13 — 14
0 0
ON: 13 — 14
OFF: 0
13 — 14
ON: 12±0.5
OFF: 0
5 5
2.8 2.8
0 0
13 — 14
13 — 14
13 — 14
5 5
0 0
0 13 — 14
0 13 — 14
0 13 — 14
0 13 — 14
ENGINE (DIAGNOSTICS)
Note
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Cranking: 8 — 14
—
—
Switch is ON when gear is in
neutral position.
When connected: 0
—
—
Ignition switch "OFF": 10 — 13
—
—
—
—
Waveform
Waveform
Waveform
Waveform