Subaru 2009 IMPREZA, Service Manual

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EN(H4SO)(diag)-35
Subaru Select Monitor
ENGINE (DIAGNOSTICS)
2. READ CURRENT DATA FOR ENGINE (NORMAL MODE)
1) On «Main Menu» display, select {Each System Check}.
2) On «System Selection Menu» display, select {Engine Control System}.
3) Click the [OK] button after the information of engine type has been displayed.
4) On «Engine Diagnosis» display, select {Current Data Display & Save}.
5) On «Current Data Display & Save» display, select {Normal sampling}.
6) Using the scroll key, scroll the display screen up or down until the desired data is shown.
• A list of the support data is shown in the following table.
Contents Display
Unit of
measure
Note (at idling)
Engine Load Engine Load % 21.0%
Engine coolant temperature signal Coolant Temp. °C or °F
85°C or 185°F or more
(after warm up)
A/F Correction #1 A/F Correction #1 % –0.8%
A/F Learning #1 A/F Learning #1 % 0.0%
Intake manifold absolute pressure Mani. Absolute Pressure
mmHg, kPa,
inHg or psig
200 — 300 mmHg,
26.7 — 40 kPa,
7.8 — 11.8 inHg or
3.8 — 5.8 psig
Engine speed signal Engine Speed rpm
700 rpm (Agree with the
tachometer indication)
Meter vehicle speed signal Vehicle Speed km/h or MPH
0 km/h or 0 MPH
(at parking)
Ignition timing signal Ignition Timing deg 14 — 16 deg
Intake air temperature signal Intake Air Temp. °C or °F (Ambient air temperature)
Intake air amount Mass Air Flow g/s or lb/m 2.5 g/s or 0.33 lb/m
Throttle opening angle signal Throttle Opening Angle % 2.0%
Rear oxygen sensor voltage Rear O2 Sensor V 0.1 — 0.7 V
Battery voltage Battery Voltage V 12 — 14 V
Mass air flow voltage Air Flow Sensor Voltage V 1.26 V
Injection 1 pulse width Fuel Injection #1 Pulse ms 2.82 ms
Atmospheric pressure signal Atmosphere Pressure
mmHg, kPa,
inHg or psig
(Atmospheric pressure)
Intake manifold relative pressure Mani. Relative Pressure
mmHg, kPa,
inHg or psig
(Air intake absolute
pressure — Atmospheric
pressure)
Learned Ignition Timing Learned Ignition Timing deg 0 deg
Acceleration opening angle signal Accel. Opening Angle % 0.0%
Fuel temperature signal Fuel Temp. °C or °F +20°C or +68°F
Purge control solenoid duty ratio CPC Valve Duty Ratio % 0 — 3%
Number of EGR steps No. of EGR steps STEP 0 STEP
A/F sensor current value 1 A/F Sensor #1 Current mA –0.2 — 0.2 mA
A/F sensor resistance value 1 A/F Sensor #1 Resistance
:
32
:
A/F sensor output lambda 1 A/F Sensor #1 — 1.0
A/F Correction #3 A/F Correction #3 % 0.3%
A/F Learning #3 A/F Learning #3 % 0.00%
Throttle motor duty Throttle Motor Duty % –15%
Throttle Motor Voltage Throttle Motor Voltage V (Battery voltage)
Sub throttle sensor voltage Sub-Throttle Sensor V 1.52 V
Main throttle sensor voltage Main-Throttle Sensor V 0.66 V
Sub accelerator sensor voltage Sub-Accelerator Sensor V 0.68 V
Main acceleration sensor voltage Main-Accelerator Sensor V 0.68 V
Memory vehicle speed Memorized Cruise Speed km/h or MPH 0 km/h or 0 MPH