Subaru Legacy 2003 Service Manual page 1866

4. READ CURRENT DATA FOR ENGINE. (NORMAL MODE)
1) On the «Main Menu» display screen, select the {Each System Check} and press [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press [YES]
key.
3) Press the [YES] key after displayed the information of engine type.
4) On the «Engine Diagnosis» display screen, select the {Current Data Display & Save} and press [YES] key.
5) On the «Data Display Menu» display screen, select the {Data Display} and press [YES] key.
6) Using the scroll key, move the display screen up or down until desired data is shown.
• A list of the support data is shown in the following table.
Battery voltage
Vehicle speed signal
Engine speed signal
Engine coolant temperature signal
Ignition timing signal
Throttle position signal
Throttle position signal
Injection pulse width
Idle air control signal
Alternator duty control signal
Fuel pump duty control signal
A/F sensor resistance
Front oxygen (A/F) sensor output signal
Rear oxygen sensor output signal
Short term fuel trim
Knock sensor signal
Atmospheric absolute pressure signal
Intake manifold relative pressure signal
Intake manifold absolute pressure signal
A/F correction (short term fuel trim) by rear oxygen sensor
Long term whole fuel trim
Front oxygen (A/F) sensor heater current
Rear oxygen sensor heater voltage
Canister purge control solenoid valve duty ratio
Primary supercharged pressure control signal
Secondary supercharged pressure control signal
Differential pressure sensor signal
Differential pressure sensor signal
Intake air temperature signal
Mass air flow sensor signal
Mass air flow sensor signal
Ignition switch signal
Test mode connector signal
Neutral position switch signal
Air conditioning switch signal
Air conditioning signal
Radiator main fan relay signal
Knocking signal
Radiator sub fan relay signal
SUBARU SELECT MONITOR
Contents
EN(H4DOSTC)-27
Display
Battery Voltage
Vehicle Speed
Engine Speed
Coolant Temp.
Ignition Timing
Throttle Opening Angle
Throttle Sensor Voltage
Fuel Injection #1 Pulse
ISC Valve Duty Ratio
ALT Duty
Fuel Pump Duty
A/F Sensor #1 Resistance
A/F Sensor Output Lamda 1
Rear O2 Sensor
A/F Correction #1
Knocking Signal
Atmosphere Pressure
Mani. Relative Pressure
Mani. Absolute Pressure
A/F Correction #3
A/F Learning #1
A/F Heater Current 1
Rear O2 Heater Voltage
CPC Valve Duty Ratio
Primary Control
Secondary control
Diff. Press. Sen. Vol.
Pressure Diff. Sensor
Intake Air Temp.
Mass Air Flow
Air Flow Sensor Voltage
Ignition Switch
Test Mode Signal
Neutral Position Switch
A/C Switch
A/C Compressor Signal
Radiator Fan Relay #1
Knocking Signal
Radiator Fan Relay #2
ENGINE (DIAGNOSTICS)
Unit of measure
V
km/h or MPH
rpm
°C or °F
deg
%
V
ms
%
%
%
Ω
—
V
%
deg
mmHg or kPa or inHg or
psig
mmHg or kPa or inHg or
psig
mmHg or kPa or inHg or
psig
%
%
A
V
%
%
%
V
mmHg or kPa or inHg or
psig
°C or °F
g/s
V
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF