Subaru 2009 IMPREZA Service Manual page 1240

Contents
Main
Electronic
Sub
throttle control
Power supply
Ground
(sensor)
Electronic throttle control motor
(+)
Electronic throttle control motor
(–)
Electronic throttle control motor
power supply
Electronic throttle control motor
relay
Intake oil flow
Signal (+)
control solenoid
valve (LH)
Signal (–)
Intake oil flow
Signal (+)
control solenoid
valve (RH)
Signal (–)
Main sensor
signal
Main power
supply
Ground
(main sensor)
Accelerator pedal
Shield
position sensor
Sub sensor
signal
Sub power
supply
Ground
(sub sensor)
Starter relay
A/C middle pressure switch
Clutch switch
Brake switch 1
Brake switch 2
Engine Control Module (ECM) I/O Signal
Connector Terminal
No. No.
B134 18
B134 28
B134 19
B134 29
B137 5
B137 4
B136 1
B136 21
B137 15
B137 14
B137 17
B137 16
B135 23
B135 21
B135 29
B136 6
B135 31
B135 22
B135 30
B136 20
B136 33
B136 25
B135 20
B135 28
EN(H4DOTC)(diag)-19
Signal (V)
Ignition SW ON
(engine OFF)
0.64 — 0.72
0.64 — 0.72
(After engine is
Fully opened: 3.96
warmed up.)
1.51 — 1.58
1.51 — 1.58
(After engine is
Fully opened: 4.17
warmed up.)
5
0
Duty waveform Duty waveform
Duty waveform Duty waveform
10 — 13
ON: 0
OFF: 10 — 13 OFF: 12 — 14
ON: 10 — 13 ON: 12 — 14
OFF: 0
0
ON: 10 — 13 ON: 12 — 14
OFF: 0
0
Fully closed: 1 Fully closed: 1
Fully opened: 3.3 Fully opened: 3.3
5
0
0
Fully closed: 1 Fully closed: 1
Fully opened: 3.3 Fully opened: 3.3
5
0
ON: 0
OFF: 10 — 13 OFF: 12 — 14
ON: 0
OFF: 10 — 13 OFF: 12 — 14
When clutch pedal is When clutch pedal is
depressed: 0 depressed: 0
When clutch pedal is When clutch pedal is
released: 10 — 13 released: 12 — 14
When brake pedal is When brake pedal is
depressed: 0 depressed: 0
When brake pedal is When brake pedal is
released: 10 — 13 released: 12 — 14
When brake pedal is When brake pedal is
depressed: 10 — 13 depressed: 12 — 14
When brake pedal is When brake pedal is
released: 0
ENGINE (DIAGNOSTICS)
Note
Engine ON
(idling)
Fully closed: 0.6
Fully opened: 3.96
Fully closed: 1.48
Fully opened: 4.17
5
0
Drive frequency:
500 Hz
Drive frequency:
500 Hz
12 — 14
ON: 0 When ignition switch
is turned to ON: ON
OFF: 0
0
OFF: 0
0
5
0
0
5
0
ON: 0
ON: cranking
ON: 0
released: 0
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