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Home >> Subaru >> 2014 >> Impreza WRX STI Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (H4DOTC) >> Subaru Select Monitor >> Operation >> Read Current Data For Engine (Normal Mode)

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.
    Content Display Unit of measure Note (at idling)
    Engine load Engine Load % 21.0%
    Engine coolant temperature signal Coolant Temp. °C or °F 80 - 100°C or 176 - 212°F
    A/F correction #1 A/F Correction #1 % -10 - +10%
    A/F learning #1 A/F Learning #1 % -15 - +15%
    Intake manifold absolute pressure Mani. Absolute Pressure mmHg, kPa, inHg or psig 220 - 275 mmHg, 29.5 - 37 kPa, 8.7 - 10 inHg or 4.2 - 5.3 psig
    Engine speed signal Engine Speed rpm 630 - 770 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 10 - 15 deg
    Intake air temperature signal Intake Air Temp. °C or °F 20 - 50°C or 68 - 122°F
    Intake air amount Mass Air Flow g/s or lb/m 2.1 - 3.1 g/s or 0.35 - 0.40 lb/m
    Throttle opening angle signal Throttle Opening Angle % 2.0 - 2.4%
    Rear oxygen sensor voltage Rear O2 Sensor V 0 - 1.0 V
    Battery voltage Battery Voltage V 12 - 15 V
    Mass air flow voltage Air Flow Sensor Voltage V 1.0 - 1.7 V
    Injection 1 pulse width Fuel Injection #1 Pulse ms 1.2 - 2.2 ms
    Atmospheric pressure Atmosphere Pressure mmHg, kPa, inHg or psig -
    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%
    Primary supercharged pressure control signal Primary Control % 0.0%
    Purge control solenoid duty ratio CPC Valve Duty Ratio % 0 - 25%
    Tumble generator valve RH opening signal TGV Position Sensor R V 0.81 V
    Tumble generator valve LH opening signal TGV Position Sensor L V 0.81 V
    Fuel pump duty ratio Fuel Pump Duty % 30 - 40%
    AVCS advance angle amount RH VVT Adv. Ang. Amount R deg ±5 deg
    AVCS advance angle amount LH VVT Adv. Ang. Amount L deg ±5 deg
    Oil flow control solenoid valve duty ratio RH OCV Duty R % 0 - 20%
    Oil flow control solenoid valve duty ratio LH OCV Duty L % 0 - 20%
    Oil flow control solenoid valve current RH OCV Current R mA 40 - 100 mA
    Oil flow control solenoid valve current LH OCV Current L mA 40 - 100 mA
    A/F sensor current value 1 A/F Sensor #1 Current mA -20 - 20 mA
    A/F sensor resistance value 1 A/F Sensor #1 Resistance Ω 27 - 35 mA
    A/F sensor output lambda 1 A/F Sensor #1 - 1.0
    A/F correction #3 A/F Correction #3 % 0.00%
    A/F learning #3 A/F Learning #3 % 0.00%
    SI drive mode (model with SI-DRIVE) SI Drive mode - I, S or S#
    Throttle motor duty Throttle Motor Duty % -5%
    Throttle motor voltage Throttle Motor Voltage V 12 - 15 V
    Sub throttle sensor voltage Sub-Throttle Sensor V 1.5 V
    Main throttle sensor voltage Main-Throttle Sensor V 0.6 V
    Sub accelerator sensor voltage Sub-Accelerator Sensor V 1.1 V
    Main acceleration sensor voltage Main-Accelerator Sensor V 1.0 V
    Secondary air supply piping pressure signal Sec. Air Piping Pressure mmHg, kPa, inHg or psig 765 mmHg, 102 kPa, 30.1 inHg or 14.8 psig
    Secondary airflow signal Sec. Air Flow g/s or lb/m 0.00 g/s or 0.00 lb/m
    Memory vehicle speed Memorized Cruise Speed km/h or MPH -
    Fuel level sensor resistance Fuel level resistance Ω 4 - 96 Ω
    Odometer Odometer km -
    Exhaust AVCS retard angle amount RH (model with SI-DRIVE) Exh. VVT Retard Ang. R deg ±5 deg
    Exhaust AVCS retard angle amount LH (model with SI-DRIVE) Exh. VVT Retard Ang. L deg ±5 deg
    Exhaust oil flow control solenoid valve duty ratio RH (model with SI-DRIVE) Exh. OCV Duty R % 0 - 20%
    Exhaust oil flow control solenoid valve duty ratio LH (model with SI-DRIVE) Exh. OCV Duty L % 0 - 20%
    Exhaust oil flow control solenoid valve current value RH (model with SI-DRIVE) Exh. OCV Current R mA 40 - 100 mA
    Exhaust oil flow control solenoid valve current value LH (model with SI-DRIVE) Exh. OCV Current L mA 40 - 100 mA
    #1 cylinder roughness monitor Roughness Monitor #1 - 0
    #2 cylinder roughness monitor Roughness Monitor #2 - 0
    #3 cylinder roughness monitor Roughness Monitor #3 - 0
    #4 cylinder roughness monitor Roughness Monitor #4 - 0
    Knock sensor correction Knocking Correction deg 0.0 deg
    AT vehicle ID signal AT Vehicle ID Signal - OFF
    D-check require Flag D-check Require Flag - OFF
    Delivery (test) mode terminal Delivery Mode Connector (Test Mode Connector) - 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 signal P/S Switch - OFF (when OFF)
    Air conditioning switch signal A/C Switch - OFF (when OFF)
    Starter switch signal Starter Switch - OFF
    Rear oxygen monitor Rear O2 Rich Signal - ON/OFF
    Knocking signal Knocking Signal - OFF
    Crankshaft position sensor signal Crankshaft Position Sig. - ON
    Camshaft position sensor signal Camshaft Position Sig. - ON
    Rear defogger switch signal Rear Defogger SW - OFF (when OFF)
    Blower fan switch signal Blower Fan SW - OFF (when OFF)
    Light switch signal Light Switch - OFF (when OFF)
    A/C middle pressure switch signal A/C Mid Pressure Switch - OFF (when OFF)
    Air conditioner compressor relay output signal A/C Compressor Signal - OFF (when OFF)
    Radiator fan relay 1 signal Radiator Fan Relay #1 - OFF (when OFF)
    Radiator fan relay 2 signal Radiator Fan Relay #2 - OFF (when OFF)
    PCV hose assembly diagnosis signal Blow-by leak Connector - ON
    Pressure control solenoid valve assembly signal PCV Solenoid Valve - OFF (when OFF)
    Tumble generator valve output signal TGV Output - OFF
    Tumble generator valve driving signal TGV Drive - Close
    Purge control solenoid valve 2 signal CPC Solenoid 2 - OFF (when OFF)
    Vehicle dynamics control (VDC) torque down prohibition output Ban of Torque Down - ON
    Vehicle dynamics control (VDC) torque down demand Request Torque Down VDC - OFF
    ETC motor relay signal ETC Motor Relay - ON
    Clutch switch signal Clutch Switch - OFF (when OFF)
    Stop light switch signal Stop Light Switch - OFF (when OFF)
    SET/COAST switch signal SET/COAST Switch - OFF (when OFF)
    RES/ACC switch signal RESUME/ACCEL Switch - OFF (when OFF)
    Brake switch signal(1) Brake Switch - OFF (when OFF)
    Main switch signal Main Switch - OFF (when OFF)
    Secondary air combination valve relay 2 signal Sec. Air Combi V Relay 2 - OFF (when OFF)
    Secondary air pump relay signal Sec. Air Pump Relay - OFF (when OFF)
    Secondary air combination valve relay 1 signal Sec. Air Combi V Relay 1 - OFF (when OFF)
    Cruise control cancel switch signal CC Cancel SW - OFF (when OFF)
    Malfunction indicator light signal MIL On Flag - OFF (when unlit)
    ELCM switching valve drive signal ELCM switching valve - Open
    ELCM vacuum pump drive signal ELCM pump - OFF
    NOTE:
    • For detailed operation procedures, refer to "Subaru Select Monitor" operating information.
    (1) For models without cruise control, the brake switch signal does not change.
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