Subaru 2002 IMPREZA Service Manual page 263

SUBARU SELECT MONITOR
ENGINE (DIAGNOSTICS)
Contents
Battery voltage
Vehicle speed Sianal
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 &ystem 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.
Display Unit of measure
Battery Voltage V
Vehicle Speed km/h or MPH
Ignition timing signal
Throttle position signal
Throttle position signal
Injection pulse width
Idle air control sianal
Enaine speed sianal
1
Engine Speed
I
rpm
~~
Ignition Timing deg
Throttle Opening Angle %
Throttle Sensor Voltage V
Fuel Injection
#I
Pulse ms
ISC Valve Dutv Ratio %
Engine coolant temperature signal
I
Coolant Temp.
I
"C or O F
Fuel pump duty control signal
A/F sensor current
N F sensor resistance
Front oxygen (NF) sensor output signal
Rear oxygen sensor output signal
Short term fuel trim
Fuel Pump Duty
Y O
A/F Sensor #I Current
mA
N F Sensor #I Resistance R
A/F Sensor #I
-
Rear 0 2 Sensor V
A/F Correction #I %
A/F correction (short term fuel trim) by rear oxygen sensor
Long term whole fuel trim
Front oxygen (A/F) sensor heater current
Rear oxvaen sensor heater voltaae
Knock sensor signal
1
Knocking Correction
I
deg
8-
~
A/F Correction #3
YO
N F Learning
#I
%
A/F
Heater Current 1 A
Rear 0 2 Heater Voltage V
Atmospheric absolute pressure signal
Tumble generator valve position sensor signal (right side)
Tumble generator valve position sensor signal (left side)
Tumble aenerator valve drive sianal
1
Atmosphere Pressure
TGV Position Sensor R V
TGV Position Sensor
L V
TGV Drive OPEN or CLOSE
1
mmHg or kPa or inHg or
Dsi
Intake air temperature signal
Learned ignition timing
Mass air flow sensor signal
Mass air flow sensor signal
Fuel tank pressure signal
mmHg or kPa or inHg or
psi
Mani. Relative Pressure Intake manifold relative pressure signal
"C or O F Intake Air Temp.
Learned Ignition Timing deg
Mass Air Flow gls
Air Flow Sensor Voltage V
mmHg or kPa or inHg or
psi
Fuel Tank Pressure
Intake manifold absolute pressure signal
Fuel temperature signal
Exhaust gas temperature signal
MTIAT identification signal
Fuel Dressure control solenoid valve sianal
mmHg or kPa or inHg or
Dsi
1
Mani. Absolute Pressure
1
Fuel Temp
"C or O F
Exhaust Gas Temperature O C or O F
AT Vehicle
ID
Signal
ON or OFF
PCV Solenoid Valve ON or OFF
Canister purge control solenoid valve duty ratio
1
CPC Valve Duty Ratio
I
%
Primary supercharged pressure control signal
1
Primary Control
I
O h
I
Fuel Level
I
V
EN(D0HC TURBO)-39