Subaru Legacy 2004 Service Manual page 451

DESCRIPTION
A/C relay control
Radiator fan relay 1 control
Radiator fan relay 2 control
Self-shutoff control
Malfunction indicator light
Engine speed output
Purge control solenoid valve
Signal A+
Signal A"
EGR solenoid
valve
Signal B+
Signal B"
Power steering switch
Front oxygen (A/F) sensor
signal 1
Front oxygen (A/F) sensor
signal 2
Front oxygen (A/F) sensor
shield
Manifold absolute pressure
sensor
Intake air temperature sen-
sor
Generator control
SSM communication line
Main switch
Clutch switch
Brake switch 1
Brake switch 2
Cruise control command
switch
GND (sensor 1)
Engine Control Module (ECM) I/O Signal
Connector Terminal
No. No.
B135 35
B134 10
B134 9
B135 14
B135 15
B135 27
B134 8
B134 13
B134 12
B134 3
B134 4
B135 8
B136 35
B136 33
B136 34
B136 20
B136 28
B135 16
Less than 1#$ More
B135 32
B137 14
When clutch pedal is
B137 22
When clutch pedal is
released: 10 — 13
When brake pedal is
B137 12
When brake pedal is
released: 10 — 13
When brake pedal is
depressed: 10 — 13
B137 13
When brake pedal is
When operating noth-
When operating RES/
B136 21
When operating SET/
COAST: 0.5 — 1.5
When operating CAN-
B136 18
EN(H4SO 2.0)(diag)-19
Signal (V)
Ignition SW ON Engine ON
(engine OFF)
ON: 0.5 or less ON: 0.5 or less
OFF: 10 — 13 OFF: 13 — 14
ON: 0.5 or less ON: 0.5 or less
OFF: 10 — 13 OFF: 13 — 14
ON: 0.5 or less ON: 0.5 or less
OFF: 10 — 13 OFF: 13 — 14
10 — 13
1 or less
— 0 — 13 or more
ON: 1 or less ON: 1 or less
OFF: 10 — 13 OFF: 13 — 14
0 or 10 — 13 0 or 13 — 14
0 or 10 — 13 0 or 13 — 14
0 or 10 — 13 0 or 13 — 14
0 or 10 — 13 0 or 13 — 14
ON: 1 or less ON: 1 or less
OFF: 10 — 13 OFF: 13 — 14
— 2.05 — 2.25
— 2.05 — 2.25
0
4.0 — 4.8
3.3 — 3.5
0 — 6.5
Less than 1#$ More
than 4
ON: 0
OFF: 10 — 13 OFF: 13 — 14
When clutch pedal is
depressed: 0 depressed: 0
When clutch pedal is
released: 13 — 14
When brake pedal is
depressed: 0 depressed: 0
When brake pedal is
released: 13 — 14
When brake pedal is
depressed: 13 — 14
When brake pedal is
released: 0 released: 0
When operating noth-
ing: 3.5 — 4.5 ing: 3.5 — 4.5
When operating RES/
ACC: 2.5 — 3.5 ACC: 2.5 — 3.5
When operating SET/
COAST: 0.5 — 1.5
When operating CAN-
CEL: 0 — 0.5 CEL: 0 — 0.5
0
ENGINE (DIAGNOSTICS)
NOTE
(idling)
13 — 14
Light "ON": 1 or less
—
Light "OFF": 10 — 14
Waveform
0
1.1 — 1.9
intake air temperature:
3.3 — 3.5
25!C (75!F)
0 — 6.5
than 4
ON: 0
0
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