Subaru IMPREZA 2002 Service Manual page 348

~~
Fuel level sensor
B136 27 0.12
-
4.75 0.1 2
-
4.75
Signal
Fuel tank
B136 12 2.3
-
2.7 2.3
-
2.7
pressure
sensor
B136 15 5 5
16
0 0
Power
supply
GND (sen-
B136
sor)
B134
Fuel tank pressure con-
to1 solenoid valve
ON: 1, or less
ON: 1, or less
OFF: 10- 13 OFF: 13- 14
1
Front oxygen (NF) sen-
sor signal 2
Front oxygen (NF) sen-
sor sianal 3
6 2.4
-
2.7 2.4
-
2.7
7 0.2
-
4.9 0.2
-
4.9
B1 36
B1 36
~~
Front oxygen (NF) sen-
sor signal 4
Intake air temperature
sensor
Pressure sensor
20 0.2
-
4.9 0.2
-
4.9
B136 5
2.4
-
4.8 0.4
-
1.8
13
2.3
-
2.5 1.4
-
1.6
B1 36
B1 36
GND (sensors)
GND (injectors)
GND (ignition system)
GND (Dower
SUDD~V)
B136 16 0 0
B134 7 0 0
B134 27 0 0
B134 8
0 0
B136
I
21 0 0
8136
I
22 0 0
ENGINE CONTROL MODULE (ECM) I/O SIGNAL
ENGINE (DIAGNOSTICS)
Signal (V)
Terminal
Con-
Ignition
sw
ON
(Engine OFF)
I
Engine ON (Idling)
Content
1
nr:or
1
No.
Note
I
B136
I
26
Fuel temperature sen-
so r
2.5 - 3.8
I
2.5-3.8
Ambient temperature: 25°C
(75°F)
The valve obtained after the
fuel filler cap was removed
once and recapped.
-
Drain valve
I
8134
I
10
ON: 1, or less ON: 1, or less
OFF: 10- 13
I
OFF:13-14
4
AT diagnosis input sig-
I
B135
I
nal
Less than 1
++
More than 4
ON: 0
OFF: 13- 14
Less than 1
++
More than 4
ON: 0
OFF: 10- 13
Waveform
-
Small light switch
Blower fan switch
ON: 0
ON: 0
OFF: 13
-
14
OFF: 13- 14
ON: 0
ON: 0
OFF: 10- 13
OFF: 10
-
13
2.8
-
3.2
Reardefoggerswitch
1
1311
1
;;
Front oxygen (NF) sen-
sor sianal 1
2.8
-
3.2
~ ~ ~ / ~ ~ ~ c o m m u n i c a -
1
B135
I
tion line
3
Less than 1
+-+
Less than 1 e-+
More than
4
I
More than 4
GND (oxygen sensor
heaterl)
1
1: : ;
1
1 ;
1
1
1
1
GND (oxygen sensor
heater 2)
EN(S0HC)-24