Subaru Crosstrek Service Manual: Subaru select monitor Operation

Engine Speed

Calculated from crankshaft position sensor signal.

700 rpm (agree with the tachometer indication)

rpm

Mass Air Flow

Amount of intake air calculated from air flow sensor output value.

2.5 g/s or 0.33 lb/m

g/s or lb/m

Vehicle Speed

Value calculated from vehicle speed sensor output value.

0 km/h

km/h

Throttle Opening Angle

Throttle valve opening angle (in percentage) calculated from throttle position sensor output value.

13.0%

%

Accel opening angle

Accelerator pedal opening angle (in percentage) calculated from accelerator pedal position sensor output value.

0.0%

%

A/F Sensor #1

Actual lambda value calculated from front A/F sensor output value.

1.0

—

Ignition Timing Advance for #1 Cylinder

Ignition timing control value for No. 1 cylinder.

Calculated from rotation speed, intake manifold pressure, intake air temperature, water temperature, and data from knock sensor etc.

16.0°

°

Engine Coolant Temperature

Value calculated from engine coolant temperature sensor output value.

85°C or 185°F or more (after warm-up)

°C or °F

Fuel Injection #1 Pulse

Control value of fuel injection time by ECM. (RH bank)

2.82 ms

ms

Short Term Fuel Trim-Bank1

Air fuel ratio correction control value for the front.

−0.8%

%

Long Term Fuel Trim-Bank1

Air fuel ratio learning control value for the front.

0.0%

%

Learned Ignition Timing

Ignition timing learning value.

Advance or retard angle amount when knocking occurs.

0 deg

deg

Intake Manifold Absolute Pressure

Value calculated from the intake manifold pressure sensor.

200 — 300 mmHg, 26.7 — 40 kPa, 7.8 — 11.8 inHg or 3.8 — 5.8 psig

kPa, mmHg, inHg or psig

Oxygen sensor #12

Rear oxygen sensor output voltage.

0.7 V

V

VVT Adv. Ang. Amount R

AVCS advance angle amount for the RH bank on the intake side.

0 deg

deg

VVT Adv. Ang. Amount L

AVCS advance angle amount for the LH bank on the intake side.

0 deg

deg

Exh. VVT Retard Ang. R

AVCS actual advance angle amount for the RH bank on the exhaust side.

±5 deg

deg

Exh. VVT Retard Ang. L

AVCS actual advance angle amount for the LH bank on the exhaust side.

±5 deg

deg

VVT Initial Position Learning Value #1

AVCS initial position learning value for the RH bank on the intake side.

Controls the angle against a standard angle.

Deviation learning is performed based on this standard value.

29.9°CA

°CA

VVT Initial Position Learning Value #2

AVCS initial position learning value for the LH bank on the intake side.

Controls the angle against a standard angle.

Deviation learning is performed based on this standard value.

27.7°CA

°CA

VVT Ex Initial Position Learning Value #1

AVCS initial position learning value for the RH bank on the exhaust side.

Controls the angle against a standard angle.

Deviation learning is performed based on this standard value.

0

°CA

VVT Ex Initial Position Learning Value #2

AVCS initial position learning value for the LH bank on the exhaust side.

Controls the angle against a standard angle.

Deviation learning is performed based on this standard value.

0

°CA

ECU ACC

ECM input power supply voltage.

13.789 V

V

Target engine speed

ECM target engine speed.

675 rpm

rpm

Number of Cleaning Executions for VVT Self-recovery

Number of times that the intake AVCS oil control valve cleaning is performed.

—

times

Number of Cleaning Executions for Ex VVT Self-recovery

Number of times that the exhaust AVCS oil control valve cleaning is performed.

—

times

Target Equivalence Ratio

Target air fuel ratio. (Lambda)

It usually becomes 1.0 aiming at a theoretical air fuel ratio.

0.976

—

Engine Oil Temperature

Value calculated from the engine oil temperature sensor output value.

≥ 85°C (after warm-up)

°C or °F

Intake Air Temperature

Intake air temperature calculated from the intake air temperature sensor output value.

36°C

°C or °F

Ambient Temperature

Ambient temperature that ECM estimates by input values from the engine coolant temperature sensor or the intake air temperature sensor etc.

Ambient Air Temperature

°C or °F

Ambient Temperature Sensor Signal

Data value of the ambient sensor input from the combination meter via CAN.

Ambient temperature used for diagnosis.

—

°C or °F

Load Value

Current rate of air amount.

Value assuming that the air amount at the current engine speed with the throttle fully open is 100%.

17.0

%

Absolute Load Value

Percentage of current intake air amount against the maximum air intake amount of the engine.

For non-turbo engine, the value can be close to 95%, but will never be 100%. For turbo engine, this value may exceed 100% due to a boost pressure.

17

%

Atmospheric Pressure

Atmospheric pressure calculated from atmospheric pressure sensor output value.

(Atmospheric pressure)

kPa, mmHg, inHg or psig

Mani. Relative Pressure

Pressure value calculated from manifold pressure sensor output value. (Absolute value) (Air intake absolute pressure − Atmospheric pressure)

(Intake Manifold Absolute Pressure − Atmospheric Pressure)

kPa, mmHg, inHg or psig

Target Throttle Opening Angle

Target throttle opening angle calculated by ECM.

16 deg

deg

Actual Throttle Opening Angle

Actual throttle opening angle.

Calculated by ECM based on the throttle sensor input value.

16 deg

deg

Target Throttle Opening Angle

Control value of the target throttle opening angle calculated by ECM.

Shows the target value of opening angle in percentage when 0% means fully closed and 100% means fully open.

0.0%

%

Relative Throttle Position

Current throttle opening angle in percentage against the throttle voltage (full range) that has reflected the full close point learning value.

The value will be approx. 70% at full open.

2

%

Throttle Motor Voltage

Power supply voltage of the throttle motor.

ECM input value.

(Battery voltage)

V

Main-Throttle Sensor

Voltage value of the main throttle position sensor.

ECM input value.

0.66 V

V

Sub-Throttle Sensor

Voltage value of the sub throttle position sensor.

ECM input value.

1.52 V

V

Throttle Motor Duty

Throttle motor control duty ratio.

ECM output value.

−15%

%

Main-Accelerator Sensor

Voltage value of the main accelerator pedal position sensor.

ECM input value.

0.68 V

V

Sub-Accelerator Sensor

Voltage value of the sub accelerator pedal position sensor.

ECM input value.

0.68 V

V

Air Flow Sensor Voltage

Air flow sensor output value.

Input value to ECM.

1.26 V

V

Fuel Level

Fuel level sensor output value.

ECM input value.

Total value of main and sub.

—

%

Fuel level resistance

Fuel level sensor resistance value.

ECM input value.

—

?

Commanded Evap Purge

Evaporative purge rate displayed by the OBD.

0%

%

CPC Valve Duty Ratio

Purge control solenoid valve control duty ratio.

ECM output value.

0 — 3%

%

ALT Duty

Electric power generation voltage is calculated by the ECM.

Indicator voltage value from ECM to alternator is under a DUTY control.

0 — 100%

%

Alternator control mode

Control mode of the electric power generation voltage by the alternator.

Low: Mode that controls the battery charge

Mid: Mode where the battery is not charged and discharged

High: Mode that fixes the voltage when the battery is charged or when an electric load is turned on

ExHigh: Mode where the battery is charged during deceleration

High/Mid/Low

—

Battery current value

Battery charge/discharge current value input from the battery sensor.

When the value is positive: The current flows to a direction that the battery is charged.

When the value is negative: The current flows to a direction that the battery is discharged.

−2 — 5 A

A

Battery temperature

Estimated value of battery temperature which is output from the battery temperature sensor and input in the communication with ECM.

20 — 50°C or 68 — 112°F

°C or °F

Knocking Correction

Retard angle amount when knocking occurs.

Partially learning value of ignition timing learning value.

0.0 deg

deg

Fuel system for Bank 1

Feedback status of air fuel ratio.

Open: Feedback is stopped

Closed: Feedback control is being performed

Cl_normal

—

A/F Sensor #1 Current

Front A/F sensor output current value.

ECM input value.

−0.2 — 0.2 mA

mA

A/F Sensor #1 Resistance

Front A/F sensor resistance value calculated from the front A/F sensor output value.

32 ?

?

A/F Correction #3

Sub correction value of A/F feedback control.

0.3%

%

No. of EGR steps

Number of EGR valve steps.

Number of stepping motor steps.

ECM output value.

0 STEP

STEP

Commanded EGR

Target value as EGR setting value calculated by ECM.

—

%

EGR Error

Percentage of the difference in actual EGR steps as compared to the target EGR steps. Both a positive value and a negative value mean that it doesn't fulfill the target.

When the value is positive, it opens more than the target value.

When the value is negative, it opens smaller than the target value.

—

%

TGV Position SW1

Opening/closing status of tumble generator valve opening switch for RH bank.

Input value to ECM from the tumble generator valve opening angle SW for RH bank.

Close

—

TGV Position SW2

Opening/closing status of tumble generator valve opening switch for LH bank.

Input value to ECM from the tumble generator valve opening angle SW for LH bank.

Close

—

TGV Output

Drive signal to tumble generator valve motor.

Set to “ON” when the tumble generator valve is activated (when the duty output is other than 0%).

ECM output value.

—

OFF

TGV Drive

Tumble generator valve drive status.

Set to “Open” when the tumble generator valve is open.

ECM control status.

—

Close

OCV Duty R

Oil control solenoid control duty ratio. (RH bank)

ECM output value.

40 — 60% (except for Euro 4 (2.0 L model))

%

45 — 55% (Euro 4 (2.0 L model))

OCV Duty L

Oil control solenoid control duty ratio. (LH bank)

ECM output value.

40 — 60% (except for Euro 4 (2.0 L model))

%

45 — 55% (Euro 4 (2.0 L model))

OCV Current R

Actual current value of the oil control solenoid. (RH bank)

ECM input value.

550 — 850 mA (except for Euro 4 (2.0 L model))

mA

650 — 800 mA (Euro 4 (2.0 L model))

OCV Current L

Actual current value of the oil control solenoid. (LH bank)

ECM input value.

550 — 850 mA (except for Euro 4 (2.0 L model))

mA

650 — 800 mA (Euro 4 (2.0 L model))

Exh. OCV Duty R

Exhaust side oil control solenoid control duty ratio on the RH bank.

ECM output value.

45 — 55%

%

Exh. OCV Duty L

Actual current value of the exhaust side oil control solenoid on the LH bank.

ECM input value.

45 — 55%

%

Exh. OCV Current R

Actual current value of the exhaust side oil control solenoid on the RH bank.

ECM input value.

650 — 800 mA

mA

Exh. OCV Current L

Actual current value of the exhaust side oil control solenoid on the LH bank.

ECM input value.

650 — 800 mA

mA

Roughness Monitor #1

#1 cylinder roughness monitor count value.

0

—

Roughness Monitor #2

#2 cylinder roughness monitor count value.

0

—

Roughness Monitor #3

#3 cylinder roughness monitor count value.

0

—

Roughness Monitor #4

#4 cylinder roughness monitor count value.

0

—

Ignition SW ON Count

Time stamp information.

Number of times the ignition is ON since the vehicle was manufactured.

The number of ignition ON is also recorded when a trouble code is recorded, so the comparison with that number will show you how many times the ignition has turned on since the diagnostic code was recorded.

—

times

Count

Time stamp information.

Each unit individually counts the elapsed time since the ignition is turned ON.

Master integrated unit and ECM synchronize with the master time.

When synchronized: “Common”

When not synchronized: “Originally”

Common

—

Time Count

Time stamp information.

Elapsed time after ignition ON.

When a trouble code is recorded, the elapsed time after ignition ON is also recorded.

—

ms

Time Since Engine Start

Elapsed time after starting the engine.

—

sec

Meter since DTC(s) cleared

Travel distance after DTC clear.

—

km

Time while MIL lighted

Engine operating time from when the malfunction indicator light illuminated till when it went off.

—

min

Time since DTC(s) cleared

Elapsed time after DTC clear.

—

min

Number of Warm-ups since DTC(s) cleared

Number of warm ups after DTC clear.

1 cycle is the time from the cold start till warmed up and stop. (Engine start after a warm-up is not counted.)

—

times

Lighted MI lamp history

Travel distance after the warning light illuminated.

—

km

Odometer

ECM calculates the total cumulative travel distance from the vehicle speed, separately from the odometer in the combination meter.

Small difference from the odometer will be possible, but if there is a big difference, ECM or the combination meter may need to be replaced.

—

km

Maximum Engine Speed at the time of Misfire detection caused by out of Fuel

Maximum engine speed during fuel cut by a fuel run-out judgment.

0

rpm

Maximum Inta