Subaru Legacy (2005 year). Manual - part 314
EN(H4DOTC)(diag)-25
ENGINE (DIAGNOSTICS)
Subaru Select Monitor
4. READ CURRENT DATA FOR ENGINE. (NORMAL MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine} and press the [YES] key.
3) Press the [YES] key after the information of engine type has been displayed.
4) On the «Engine Diagnosis» display screen, select the {Current Data Display & Save}, and then press the
[YES] key.
5) On the «Data Display Menu» screen, select the {Data Display} and press the [YES] key.
6) Using the scroll key, move the display screen up or down until the desired data is shown.
• A list of the support data is shown in the following table.
Remarks
Display
Unit of mea-
sure
Note (at idling)
Engine coolant temperature signal
Coolant Temp.
°C or °F
80 — 100
°C or 176 —
211
°F
A/F correction 1
A/F Correction #1
%
−10 — +10%
A/F learning 1
A/F Learning #1
%
−15 — +15%
Intake manifold absolute pressure
Mani. Absolute Pressure
mmHg, kPa,
inHg or psig
220 — 275 mmHg, 29.3
— 36.7 kPa, 8.7 — 10.8
inHg or 4.2 — 5.2 psig
Engine speed signal
Engine Speed
rpm
630 — 770 rpm (Agree
with the tachometer indi-
cation)
Vehicle speed signal
Vehicle Speed
km/h or
MPH
0 km/h or 0 MPH (at park-
ing)
Ignition timing signal
Ignition Timing
deg
10 — 15 deg
Intake air temperature signal
Intake Air Temp.
°C or °F
20 — 50
°C or 68 —
122
°F
Amount of intake air
Mass Air Flow
g/s or lb/m
2.1 — 3.1 g/s or 0.28 —
0.41 lb/m
Throttle opening angle signal
Throttle Opening Angle
%
2.0 — 2.4%
Rear oxygen sensor voltage
Rear O2 Sensor
V
0 — 1.0 V
Battery voltage
Battery Voltage
V
12 — 15 V
Mass air flow voltage
Air Flow Sensor Voltage
V
1.0 — 1.7 V
Injection 1 pulse width
Fuel Injection #1 Pulse
ms
1.2 — 2.2 ms
Knock sensor correction
Knocking Correction
deg
0.0 deg
Acceleration opening angle signal
Accel. Opening Angle
%
0.0%
Primary supercharged pressure control signal
Primary Control
%
0.0%
Purge control solenoid duty ratio
CPC Valve Duty Ratio
%
0 — 25%
Generator duty ratio
ALT Duty
%
0 — 100%
Fuel pump duty ratio
Fuel Pump Duty
%
30 — 40%
AVCS advance angle amount RH
VVT Adv. Ang. Amount R
deg
±5 deg
AVCS advance angle amount LH
VVT Adv. Ang. Amount L
deg
±5 deg
Oil flow control solenoid valve duty RH (AVCS)
OCV duty R
%
0 — 20%
Oil flow control solenoid valve duty LH (AVCS)
OCV duty L
%
0 — 20%
Oil flow control solenoid valve current RH
OCV Current R
mA
40 — 100 mA
Oil flow control solenoid valve current LH
OCV Current L
mA
40 — 100 mA
A/F sensor current value 1
A/F Sensor #1 Current
mA
−20 — 20 mA
A/F sensor resistance value 1
A/F Sensor #1 Resis-
tance
Ω
27 — 35 mA
A/F sensor output lambda 1
A/F Sensor #1
—
1.0
A/F correction 3
A/F Correction #3
%
0.00%
Throttle motor duty
Throttle Motor Duty
%
−5%
Throttle power supply voltage
Throttle Motor Voltage
V
12 — 15 V
Sub throttle sensor voltage
Sub-Throttle Sensor
V
1.5 V
Main throttle sensor voltage
Main-throttle Sensor
V
0.6 V