EN(H4SO)(diag)-33
ENGINE (DIAGNOSTICS)
Subaru Select Monitor
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 Display
Unit
of measure
Note (at idling)
Engine load Engine Load % 1.5 — 3.0%
Engine coolant temperature signal Coolant Temp. °C80 — 100°C
A/F correction 1 A/F Correction #1 % 0±10%
A/F learning 1 A/F Learning #1 % 0±5%
Intake manifold absolute pressure Mani. Absolute Pressure mmHg 200 — 300 mmHg
Engine speed signal Engine Speed rpm
500 — 900 rpm (Agree
with the tachometer indi-
cation)
Vehicle speed signal Vehicle Speed km/h 0 km/h (at parking)
Ignition timing signal Ignition Timing deg 10 — 20 deg
Intake air temperature signal Intake Air Temp. °C (Ambient air temperature)
Idle air control signal ISC Valve Step STEP 10 — 40
Throttle opening angle signal Throttle Opening Angle % 1 — 5%
Rear oxygen sensor voltage Rear O2 Sensor V 0 — 0.9 V
Battery voltage Battery Voltage V 12 — 14 V
Injection 1 pulse width Fuel Injection #1 Pulse ms 2 — 5 ms
Knock sensor correction Knocking Correction deg 0.0 deg
Atmospheric pressure signal Atmosphere Pressure mmHg (Atmosphere pressure)
Intake manifold relative pressure Mani. Relative Pressure mmHg
(Mani. absolute pressure
− Atmosphere pressure)
Purge control solenoid duty ratio CPC Valve Duty Ratio % 0%
EGR steps No. of EGR Steps STEP 0
Generator duty ratio ALT Duty % 0 — 100%
A/F sensor resistance value 1
A/F Sensor #1 Resis-
tance
ohm 23 — 27 Ω
A/F correction 3 A/F Correction #3 % 5±1%
Front oxygen (A/F) sensor heater current
Front O
2
Heater #1
A10±2 A
Rear oxygen sensor heater current
Rear O
2
Heater Current
A1±1 A
Fuel level signal Fuel Level V 0 — 5 V
Throttle sensor voltage Throttle Sensor Voltage V 0.2 — 1.0 V
Learned ignition timing Learned Ignition Timing deg ±10 deg
AT/MT identification terminal AT Vehicle ID Signal — ON
Test mode terminal Test Mode Signal — OFF
Neutral position switch signal Neutral Position Switch — ON
Soft idle switch signal Idle Switch Signal — ON
Ignition switch signal Ignition Switch — ON
Power steering switch input signal P/S Switch — OFF (At OFF)
Air conditioning switch signal A/C Switch — OFF (At OFF)
Starter switch signal Starter Switch — OFF
Rear O
2
monitor
Rear O2 Rich Signal — OFF
Knocking signal Knocking Signal — OFF
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