Subaru Legacy 2003 Service Manual page 430

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 Control System} and press the [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 the [YES]
key.
5) On the «Data Display Menu» display 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.
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
Engine load data
Front oxygen (A/F) sensor output signal
Front oxygen (A/F) sensor resistance value
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
Fuel level signal
Intake air temperature signal
Learned ignition timing
EGR control signal
Identification signal of AT vehicle
Alternator duty ratio
Ignition switch signal
Test mode connector signal
Neutral position switch signal
Air conditioning switch signal
Air conditioning compressor signal
Radiator main fan relay signal
Fuel pump relay signal
Knocking signal
Radiator sub fan relay signal
Engine torque control signal #1
SUBARU SELECT MONITOR
Contents
EN(H4SO)-33
Display
Battery Voltage
Vehicle Speed
Engine Speed
Coolant Temp.
Ignition Timing
Throttle Opening Angle
Throttle Sensor Voltage
Fuel Injection Width Pulse
ISC Valve Step
Engine Load
A/F Sensor #1
A/F Sensor #1 resistance
Rear O2 Sensor
A/F Correction #1
Knocking Correction
Atmosphere Pressure
Mani. Relative Pressure
Mani. Absolute Pressure
A/F Correction #3
A/F Learning #1
Front O2 Heater #1
Rear O2 Heater Voltage
CPC Valve Duty Ratio
Fuel Level
Intake Air Temp.
Learned Ignition Timing
No. of EGR Steps
AT vehicle ID Signal
ALT Duty Ratio
Ignition Switch
Test Mode Signal
Neutral Position Switch
A/C Switch
A/C Compressor Signal
Radiator Fan Relay #1
Fuel Pump Relay
Knocking Signal
Radiator Fan Relay #2
Torque Control Signal #1
ENGINE (DIAGNOSTICS)
Unit of measure
V
km/h or MPH
rpm
°C or °F
deg
%
V
ms
STEP
%
—
ohm
V
%
deg
mmHg or kPa or inHg or
psig
mmHg or kPa or inHg or
psig
mmHg or kPa or inHg or
psig
%
%
A
A
%
V
°C or °F
deg
STEP
AT/MT
%
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF