Subaru 2002 Impreza - Page 252

Ignition SW ON
(Engine OFF)
10-13
Note
Engine ON (Idling)
1-14 Waveform
10- 13 1-14 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 1-14 I Wave foi
#4
B136 4
10- 13
I 1-14 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
AT diagnosis input sig-
nal
11
20 B135
B135
B135
AT 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