Subaru IMPREZA 2002 Service Manual page 357

SUBARU SELECT MONITOR
ENGINE (DIAGNOSTICSI
Contents
Battery voltage
Engine speed signal
Vehicle speed signal
Enaine coolant temperature signal
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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.
Display Unit of measure
Battery Voltage V
Engine Speed rPm
Vehicle Speed km/h or MPH
Coolant Temp. O C or O F
Throttle position signal
Throttle position signal
Injection pulse width
Idle air control sianal
Ignition timing signal
1
Ignition Timing
I
deg
Throttle Opening Angle
Throttle Sensor Voltage V
Fuel Injection #I Pulse ms
ISC Valve Step STEP
Enaine load data
I
Engine Load %
-
Front oxvgen (NF) sensor output signal
I
N F Sensor #I
I
Rear oxygen sensor output signal
Knock sensor signal
Short term fuel trim
Atmospheric absolute pressure signal
Rear 0 2 Sensor V
N F Correction #I Y O
Knocking Correction deg
mmHg or kPa or inHg or
psi
Atmosphere Pressure
Intake manifold relative pressure signal
Intake manifold absolute pressure signal
NFcorrGtion (short term fuel trim) bv rear oxvgen sensor
I
N F Correction #3
I
%
mmHg or kPa or inHg or
psi
mmHg or kPa or inHg or
psi
Mani. Relative Pressure
Mani. Absolute Pressure
Long term whole fuel trim
Front oxygen (NF) sensor heater current
Rear oxygen sensor heater current
Canister purge control solenoid valve duty ratio
Fuel level signal
Intake air temperature sianal
N F Learning #I
O/O
Front 0 2 Heater #I A
Rear 0 2 Heater Current A
CPC Valve Duty Ratio Y O
Fuel Level V
Intake Air Temp. "C or O F
EN(S0HC)-33
Learned ignition timing
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 #I
Engine torque control signal #2
Engine torque control permission signal
Rear oxygen sensor rich signal
Learned Ignition Timing deg
Ignition Switch ON or OFF
Test Mode Signal ON or OFF
Neutral Position Switch ON or OFF
N C Switch ON or OFF
N C Compressor Signal ON or OFF
Radiator Fan Relay #I ON or OFF
Fuel Pump Relay ON or OFF
Knocking Signal ON or OFF
Radiator Fan Relay #2 ON or OFF
PIS Switch ON or OFF
Torque Control Signal
#1
ON or OFF
Torque Control Signal
#2
ON or OFF
Torque Permission Signal ON or OFF
Rear 02 Rich Signal
ON or OFF