Subaru Legacy 2005 Service Manual page 1257

DESCRIPTION
GND (front oxygen (A/F)
sensor heater 1)
GND (front oxygen (A/F)
sensor heater 2)
Intake camshaft position
sensor (LH)
Intake camshaft position
sensor (RH)
Main
Sub
Electronic
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
Signal (+)
Intake AVCS
solenoid (LH)
Signal (−)
Signal (+)
Intake AVCS
solenoid (RH)
Signal (−)
Signal (+)
Exhaust AVCS
solenoid (LH)
Signal (−)
Signal (+)
Exhaust AVCS
solenoid (RH)
Signal (−)
Signal (+)
Exhaust cam-
shaft position Signal (−)
sensor (LH)
Shield
Signal (+)
Exhaust cam-
shaft position Signal (−)
sensor (RH)
Shield
Engine Control Module (ECM) I/O Signal
Termi-
Connector
nal
Ignition SW ON
No.
No.
(engine OFF)
B134 7
B134 6
B135 8
B135 9
B136 18
Fully opened: 3.96
B136 29
Fully opened: 4.17
B136 16
B136 35
B137 5 Duty waveform
B137 4 Duty waveform
B137 6
B135 35
OFF: 10 — 13
ON: 10 — 13
B134 19
B134 29
ON: 10 — 13
B134 18
B134 28
ON: 10 — 13
B134 21
B134 31
ON: 10 — 13
B134 20
B134 30
B135 20
B135 28
B135 30
B135 21
B135 29
B135 30
EN(H4DOTC)(diag)-17
Signal (V)
Engine ON
(idling)
0
0
0 or 5
0 or 5
0.64 — 0.72
0.64 — 0.72
(After engine is
warmed-up.)
1.51 — 1.58
1.51 — 1.58
(After engine is
warmed-up.)
5
0
Duty waveform
Duty waveform
10 — 13 13 — 14
ON: 0
OFF: 13 — 14
ON: 13 — 14
OFF: 0 OFF: 0
0
ON: 13 — 14
OFF: 0 OFF: 0
0
ON: 13 — 14
OFF: 0 OFF: 0
0
ON: 13 — 14
OFF: 0 OFF: 0
0
−7 — +7
0
0
0
−7 — +7
0
0
0
ENGINE (DIAGNOSTICS)
Reference
0
0
0 or 5 Waveform
0 or 5 Waveform
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
ON: 0 When ignition switch is
turned to ON: ON
0
0
0
0
Waveform
0
0
Waveform
0
0
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