Subaru IMPREZA 2004 Service Manual page 339

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.
Remarks
Engine load
Engine coolant temperature signal
A/F correction 1
A/F learning 1
Intake manifold absolute pressure
Engine speed signal
Vehicle speed signal
Ignition timing signal
Intake air temperature signal
Idle air control signal
Throttle opening angle signal
Rear oxygen sensor voltage
Battery voltage
Injection 1 pulse width
Knock sensor correction
Atmospheric pressure signal
Intake manifold relative pressure
Purge control solenoid duty ratio
EGR steps
Generator duty ratio
A/F sensor resistance value 1
A/F correction 3
Front oxygen (A/F) sensor heater current
Rear oxygen sensor heater current
Fuel level signal
Throttle sensor voltage
Learned ignition timing
AT/MT identification terminal
Test mode terminal
Neutral position switch signal
Soft idle switch signal
Ignition switch signal
Power steering switch input signal
Air conditioning switch signal
Starter switch signal
Rear O monitor
2
Knocking signal
Subaru Select Monitor
Display
Engine Load
Coolant Temp.
A/F Correction #1
A/F Learning #1
Mani. Absolute Pressure
Engine Speed
Vehicle Speed
Ignition Timing
Intake Air Temp.
ISC Valve Step
Throttle Opening Angle
Rear O2 Sensor
Battery Voltage
Fuel Injection #1 Pulse
Knocking Correction
Atmosphere Pressure
Mani. Relative Pressure
CPC Valve Duty Ratio
No. of EGR Steps
ALT Duty
A/F Sensor #1 Resis-
tance
A/F Correction #3
Front O Heater #1
2
Rear O Heater Current
2
Fuel Level
Throttle Sensor Voltage
Learned Ignition Timing
AT Vehicle ID Signal
Test Mode Signal
Neutral Position Switch
Idle Switch Signal
Ignition Switch
P/S Switch
A/C Switch
Starter Switch
Rear O2 Rich Signal
Knocking Signal
EN(H4SO)(diag)-33
ENGINE (DIAGNOSTICS)
Unit
Note (at idling)
of measure
% 1.5 — 3.0%
°C
80 — 100°C
% 0±10%
% 0±5%
mmHg 200 — 300 mmHg
500 — 900 rpm (Agree
rpm with the tachometer indi-
cation)
km/h 0 km/h (at parking)
deg 10 — 20 deg
°C
(Ambient air temperature)
STEP 10 — 40
% 1 — 5%
V 0 — 0.9 V
V 12 — 14 V
ms 2 — 5 ms
deg 0.0 deg
mmHg (Atmosphere pressure)
(Mani. absolute pressure
mmHg
− Atmosphere pressure)
% 0%
STEP 0
% 0 — 100%
23 — 27 Ω
ohm
% 5±1%
A 10±2 A
A 1±1 A
V 0 — 5 V
V 0.2 — 1.0 V
deg ±10 deg
— ON
— OFF
— ON
— ON
— ON
— OFF (At OFF)
— OFF (At OFF)
— OFF
— OFF
— OFF