Subaru 2002 IMPREZA Service Manual page 252

Ignition SW ON
(Engine OFF)
10-13
Note
Engine ON (Idling)
1 - 1 4 Waveform
10- 13 1 - 1 4 Waveform
0 or 13- 14
0 or 13 - 14
ON: 0.5, or less
ON: 0.5, or less
OFF: 10- 13
OFF: 10- 13
-
ON: 0.5, or less
ON: 0.5, or less
OFF: 13- 14
-
OFF: 13- 14
-
Light "ON": 1, or less
Liaht "OFF: 10
-
14
-
ON: 1, or less
OFF: 10
-
13
5
-
ON: 1, or less
OFF: 13 - 14
5
-
2.5
-
3.8
Ambient temperature: 25°C
(75°F)
2.5
-
3.8
2.3
-
2.7
The value obtained after the
fuel filler cap was removed
once and recapped.
2.3
-
2.7
Less than 1
+-+
More
than 4
Less than 1
++
More
than 4
Waveform
0.1 2
-
4.75
ON: 0
OFF: 10
-
13
ON: 0
OFF: 10- 13
-
0.12
-
4.75
ON: 0
OFF: 13
-
14
ON: 0
-
-
OFF: 13- 14
ENGINE CONTROL MODULE (ECM) I/O SIGNAL
ENGINE (DIAGNOSTICS)
Signal (V)
Con-
nector
No.
B137
B136
Termi-
nal No.
1
6
Content
#1
#2
Fuel injec-
tor
#3 B136 5
~
10- 13
I
1 - 1 4
I
Wave f o i
#4 B136 4
10- 13
I
1 - 1 4
I
Waveform
Idle air
control
solenoid
valve
Signal B136 10
Waveform
Fuel pump
controller
13 Signal 1
Signal 2
B134
B136 15
8137 27
A/C
relay control
B137 17
Radiator fan relay 1
control
Radiator fan relay 2
control
Malfunction indicator
lamp
1
With A/C vehicles only
ON: 0.5, or less
1
ON: 0.5, or less
OFF: 10
-
13 OFF: 13
-
14
B137
B137
28
15
Engine speed output B136 9
-
I
0 - 13, or more
I
Waveform
Purge control solenoid
valve
Toraue control 1 sianal
B137
B134
16
19
Toraue control 2 sianal B134 18 5
1 -
5
B136
14
8 8
I
Torque control cut sig-
nal
Fuel temperature sen-
sor
B135 6
Signal
Fuel tank
15
pressure
sensor
1 -
B134 19
0 0
I
sor)
Fuel tank pressure con-
trol solenoid valve
B137 22
I
-
ON: 1, or less
ON: 1, or less
OFF: 10
-
13
1
OFF: 13-14
B137
ON: 1, or less -
I
ON: 1, or less
OFF: 10- 13
I
OFF:13-14
Drain valve
A T diagnosis input sig-
nal
11
20 B135
B135
B135
A T load signal 28
-
I
0.9
-
1.4
4.3
-
4.4
I
8
1.7
-
2.4
I
1.1 -1.6
I
Signal
B135 9
I I
-
5 5
Power
Pressure
sensor
~ I I
0
0
B135
B135
19
25
Fuel level sensor
Small light switch B134 17
Blower fan switch
B134 9
Rear defogger switch
ON: 0 ON: 0
OFF: 10- 13
I
OFF:13-14
I
B134
B135
3
24
Power steering oil pres-
sure switch
-
ON: 0
10- 13
OFF: 13
-
14
EN(D0HC TURBO)-28