Subaru Impreza 2003 Service Manual page 444

ENGINE (DIAGNOSTICS)
4. READ CURRENT DATA FOR ENGINE (NORMAL MODE)
1) On «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On «System Selection Menu» display screen, select the {Engine Control System} and press the [YES]
key.
3) Press the [YES] key after the information of engine type is displayed.
4) On «Engine Diagnosis» display screen, select the {Current Data Display & Save} and press the [YES] key.
5) On «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 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 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 current
Canister purge control solenoid valve duty ratio
Fuel level signal
Intake air temperature signal
Learned ignition timing
EGR signal
Generator duty ratio
Ignition switch signal
Test mode connector signal
Neutral position switch signal
Air conditioning switch signal
Air conditioning signal
Radiator main fan relay signal
Fuel pump relay signal
Knocking signal
Radiator sub fan relay signal
Power steering switch signal
Engine torque control signal #1
Engine torque control signal #2
Engine torque control permission signal
SUBARU SELECT MONITOR
Contents
EN(H4SO)-32
Display
Battery Voltage
Vehicle Speed
Engine Speed
Coolant Temp.
Ignition Timing
Throttle Opening Angle
Throttle Sensor Voltage
Fuel Injection #1 Pulse
ISC Valve Step
Engine Load
A/F Sensor #1 Resistance
A/F Sensor #1
Rear O Sensor
2
A/F Correction #1
Knocking Correction
Atmosphere Pressure
Mani. Relative Pressure
Mani. Absolute Pressure
A/F Correction #3
A/F Learning #1
Front O Heater #1
2
Rear O Heater Current
2
CPC Valve Duty Ratio
Fuel Level
Intake Air Temp.
Learned Ignition Timing
EGR step
ALT Duty
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
P/S Switch
Torque Control Signal #1
Torque Control Signal #2
Torque Permission Signal
Unit of measure
V
km/h or MPH
rpm
°C or °F
deg
%
V
ms
STEP
%
ohm
—
V
%
deg
mmHg, kPa, inHg or psi
mmHg, kPa, inHg or psi
mmHg, kPa, inHg or psi
%
%
A
A
%
V
°C or °F
deg
STEP
%
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
ON or OFF
ON or OFF
ON or OFF