Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2007IMPREZA BASE, 4D WAGON, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS (DIAGNOSTICS) (H4SO)SUBARU SELECT MONITOROPERATIONREAD CURRENT DATA FOR ENGINE (OBD MODE)
2007 Subaru Impreza Base, 4D Wagon, Automatic
Read Current Data For Engine (OBD Mode)
2007 Subaru Impreza Base, 4D Wagon, AutomaticSECTION Read Current Data For Engine (OBD Mode)
- On the «Main Menu» display screen, select {Each System Check}.
- On the «System Selection Menu» display screen, select {Engine Control System}.
- Select the [OK] after the information of engine type has been displayed.
- On the «Engine Diagnosis» display screen, select {OBD System}.
- On the «OBD Menu» display screen, select {Current Data Display/Save}.
- On the «Data Display Menu» display screen, select {Data Display}.
- 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.
ENGINE CURRENT DATA DISPLAY CHART
| Contents | Display | Unit of measure | Note (at idling) |
|---|---|---|---|
| Number of diagnosis code | Number of Diag. Code: | - | 0 |
| Condition of malfunction indicator light | MI (MIL) | - | OFF |
| Monitoring test of misfire | Misfire monitoring | - | Supp YES or NO |
| Monitoring test of misfire | Misfire monitoring | - | Rdy YES or NO |
| Monitoring test of fuel system | Fuel system monitoring | - | Supp YES or NO |
| Monitoring test of fuel system | Fuel system monitoring | - | Rdy YES or NO |
| Monitoring test of comprehensive component | Component monitoring | - | Supp YES or NO |
| Monitoring test of comprehensive component | Component monitoring | - | Rdy YES or NO |
| Test of catalyst | Catalyst Diagnosis | - | Supp YES or NO |
| Test of catalyst | Catalyst Diagnosis | - | Rdy YES or NO |
| Test of heating-type catalyst | Heated catalyst | - | Supp N/A |
| Test of heating-type catalyst | Heated catalyst | - | Rdy N/A |
| Test of evaporative emission purge control system | Evaporative purge system | - | Supp YES or NO |
| Test of evaporative emission purge control system | Evaporative purge system | - | Rdy YES or NO |
| Secondary air system test | Secondary air system | - | Supp N/A |
| Secondary air system test | Secondary air system | - | Rdy N/A |
| Test of air conditioning system | A/C system refrigerant | - | Supp N/A |
| Test of air conditioning system | A/C system refrigerant | - | Rdy N/A |
| Test of oxygen sensor | O2 Sensor Diagnosis | - | Supp YES or NO |
| Test of oxygen sensor | O2 Sensor Diagnosis | - | Rdy YES or NO |
| Test of oxygen sensor heater | O2 Heater Diagnosis | - | Supp YES or NO |
| Test of oxygen sensor heater | O2 Heater Diagnosis | - | Rdy YES or NO |
| Test of EGR system | EGR system | - | Supp YES or NO |
| Test of EGR system | EGR system | - | Rdy YES or NO |
| A/F control #1 | Fuel system for Bank 1 | - | Normal CLOSE |
| Engine load data | Calculated load valve | % | 23.0 % |
| Engine coolant temperature signal | Coolant Temp. | °C or °F | 92°C or 198°F |
| A/F correction value #1 | A/F Correction Value #1 | % | -0.8 % |
| A/F learning #1 | A/F Learning Value #1 | % | +0.0 % |
| Intake manifold absolute pressure | Mani. Absolute Pressure | mmHg, kPa, inHg or psig | 211 mmHg, 28.1 kPa, 8.31 inHg or 4.08 psig |
| Engine speed signal | Engine Speed | rpm | 700 rpm |
| Vehicle speed signal | Vehicle Speed | km/h or MPH | 0 km/h or 0 MPH |
| Ignition timing advance for #1 cylinder | Ignition timing adv.#1 | ° | +16.0° |
| Intake air temperature signal | Intake Air Temp. | °C or °F | 36°C or 97°F |
| Amount of intake air | Mass Air Flow | g/s or lb/m | 2.7 g/s or 0.36 lb/m |
| Throttle opening angle signal | Throttle Opening Angle | % | 13% |
| Front oxygen (A/F) sensor (Bank 1 Sensor 1) | Oxygen sensor #11 | - | Support |
| Oxygen sensor (Bank 1 Sensor 1) | Oxygen sensor #12 | - | Support |
| Oxygen sensor (Bank 1 Sensor 2) | Oxygen sensor #12 | V | 0.7 V |
| A/F correction (Bank 1 Sensor 2) | A/F Correction #12 | % | 0.0 % |
| OBD system | OBD system | - | CARB - OBD2 |
| Front oxygen (A/F) sensor (Bank 1 Sensor 1) | A/F sensor #11 | - | 1.001 |
| Front oxygen (A/F) sensor (Bank 1 Sensor 1) | A/F sensor #11 | V | 2.79 V |
| Front oxygen (A/F) sensor (Bank 1 Sensor 1) | A/F sensor #11 | - | 1.001 |
| Front oxygen (A/F) sensor (Bank 1 Sensor 1) | A/F sensor #11 | mA | 0.00 mA |
NOTE:
For detailed operation procedure, refer to the "SUBARU SELECT MONITOR OPERATION MANUAL "
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.