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 MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 16 (P-HEV HYBRID POWERTRAIN CONTROL SYSTEM (DIAGNOSTICS) (1 OF 4))WORK SUPPORTOPERATIONVEHICLE CONTROL HISTORY FREEZE FRAME DATA
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Vehicle Control History Freeze Frame Data
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Vehicle Control History Freeze Frame Data
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
- On [Start] screen, select [Diagnosis].
- On [Vehicle selection] screen, enter vehicle information and select [OK].
- On [Main Menu] screen, select [Each System].
- On [Select System] screen, select [P-HEV Hybrid Powertrain Control].
- On [Select Function] screen, select [Work Support].
- On [Work Support] screen, select [Vehicle Ctl. Hist.].
- Select the item name of vehicle control history to display the freeze frame data for control.
- Check the output data.
| Item name | Item explanation |
|---|---|
| Vehicle Speed when DC Quick Charging Connector Connect | Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DATA MONITOR . |
| Target Engine Power | ↑ |
| Execute Engine Power | ↑ |
| Target Engine Revolution | ↑ |
| Starter Switch Signal | ↑ |
| Engine Idling Request | ↑ |
| Engine Start Request (A/C) | ↑ |
| Engine Start Request (Engine Warm-up) | ↑ |
| Engine Start Request (Hybrid Battery Charging) | ↑ |
| Engine Mode | ↑ |
| Engine Stop Request | ↑ |
| Engine Stop F/C Status | ↑ |
| Lack of Fuel | ↑ |
| Accelerator Position | ↑ |
| Accelerator Pedal Status | ↑ |
| Master Cylinder Control Torque | ↑ |
| Shift Position | ↑ |
| Shift Position (Meter) | ↑ |
| Transaxle Oil Temperature | ↑ |
| FR Wheel Speed | ↑ |
| FL Wheel Speed | ↑ |
| RR Wheel Speed | ↑ |
| RL Wheel Speed | ↑ |
| Atmospheric Pressure | ↑ |
| Ambient Temperature | ↑ |
| Smoothed Value of BATT Voltage | ↑ |
| Total Distance Traveled | ↑ |
| Total Distance Traveled - Unit | ↑ |
| IGB Signal Status | ↑ |
| IGB Keeping Status | ↑ |
| IG2 Signal Status | ↑ |
| + B3M Signal Status | ↑ |
| MRL2 Signal Status | ↑ |
| Ready Signal | ↑ |
| HV Activate Condition | ↑ |
| MG Activate Condition | ↑ |
| DSS Control Status | ↑ |
| Generate Torque (Request from DSS) | ↑ |
| Primary Driving Force Adjustment Result | ↑ |
| SMRG Status | ↑ |
| SMRG Control Status | ↑ |
| SMRB Status | ↑ |
| SMRB Control Status | ↑ |
| SMRP Status | ↑ |
| SMRP Control Status | ↑ |
| Shift Position Sensor (PNB) | ↑ |
| Shift Position Sensor (PR) | ↑ |
| Shift Position Sensor (DB2) | ↑ |
| Shift Position Sensor (DB1) | ↑ |
| Shift Position Sensor (N) | ↑ |
| Shift Position Sensor (R) | ↑ |
| Shift Position Sensor (P) | ↑ |
| Charging Permission Signal to Plug-in Control ECM | Charging permission signal sent from Hybrid vehicle control ECU assembly |
| WIN Control Limit Power | Ref. to P-HEV DRIVE MOTOR (DIAGNOSTICS)>DATA MONITOR . |
| WOUT Control Limit Power | ↑ |
| A/C Consumption Power | Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DATA MONITOR . |
| A/C Usable Power | ↑ |
| HV/EV Mode Switch | ↑ |
| Hybrid Control System Control Mode | ↑ |
| Inter Lock Switch | ↑ |
| Inter Lock Switch (MG) | ↑ |
| Airbag Status (Collision) | ↑ |
| Airbag Status (Normal) | ↑ |
| Crank Position | ↑ |
| Remote Air Control System | ↑ |
| AC Charging | ↑ |
| Elapsed time from HV ECM Boot Up | ↑ |
| Generator Revolution | ↑ |
| Target Generator Torque | ↑ |
| Generator Torque | ↑ |
| Motor Revolution | ↑ |
| Target Motor Torque | ↑ |
| Motor Torque | ↑ |
| Request Motor Regenerative Brake Torque | ↑ |
| Motor Regenerate Brake Execution Torque | ↑ |
| Generator Temperature | ↑ |
| Motor Temperature | ↑ |
| Generator Inverter Temperature | ↑ |
| Motor Inverter Temperature | ↑ |
| Generator Inverter Operation Request | ↑ |
| Motor Inverter Operation Request | ↑ |
| Boosting Converter Operation Request | ↑ |
| Generator Carrier Frequency | ↑ |
| Generator Control Mode | ↑ |
| Motor Carrier Frequency | ↑ |
| Motor Control Mode | ↑ |
| Boosting Converter Carrier Frequency | ↑ |
| VL-Voltage before Boosting | ↑ |
| VH-Voltage after Boosting | ↑ |
| Boost Ratio | ↑ |
| DC/DC Converter Operation Status | ↑ |
| DC/DC Converter Output Voltage Control Mode | ↑ |
| DC/DC Converter Drive Request | ↑ |
| DC/DC Converter Target Voltage | Request sent to DC/DC converter |
| DC/DC Converter Maximum Output Status | Maximum output status of DC/DC converter |
| Inverter Coolant Water Temperature | Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DATA MONITOR . |
| Inverter Water Pump Revolution | ↑ |
| Inverter Emergency Shutdown (Main CPU) | ↑ |
| Inverter Emergency Shutdown (Sub CPU) | ↑ |
| Hybrid Battery Voltage | Ref. to P-HEV HIGH VOLTAGE BATTERY (DIAGNOSTICS)>DATA MONITOR . |
| Hybrid Battery Current for Hybrid Battery Control | ↑ |
| Hybrid Battery SOC | ↑ |
| Hybrid Battery SOC when Charging Start | SOC of Hybrid battery when charging starts |
| Hybrid Battery Charging Power | Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DATA MONITOR . |
| Hybrid Battery Control Status on Thermal Keeping and Charging | ↑ |
| Hybrid Battery Charging and Discharging Permission Status with Hybrid Battery Thermal Keep | ↑ |
| Hybrid Battery Temperature when Charging Start | ↑ |
| Hybrid Battery Maximum Temperature | ↑ |
| Hybrid Battery Minimum Temperature | ↑ |
| Hybrid Battery Cooling Necessity before Charging | ↑ |
| History of Hybrid Battery Cooling Cancel | ↑ |
| Auxiliary Battery Voltage | ↑ |
| Auxiliary Battery Current | ↑ |
| Smoothed Value of Auxiliary Battery Temperature | ↑ |
| Auxiliary Battery Voltage at Low Voltage Checking Initiation | ↑ |
| Auxiliary Battery Capacity after IG ON | ↑ |
| Auxiliary Battery Capacity after IG OFF | ↑ |
| Estimated Open Ended Auxiliary Battery Voltage when IG OFF | Estimated value of Battery (12V) open circuit voltage when parked |
| Auxiliary Battery Charge Rate | Rate of Battery (12V) charging |
| Auxiliary Battery Charging Rate Accuracy | Accuracy of Battery (12V) charging rate Low/Middle/High/Disable |
| Auxiliary Battery Charging Capacity | Full charge capacity of Battery (12V) |
| Auxiliary Battery Integrated Current | Cumulative Battery (12V) current |
| Charging Control Mode | Charging control mode of Battery (12V) SOC Keep/Auxiliary Charge/Refresh Charge/High/Low Temperature/Abnormal |
| Charging Control Ready Status | Status of charge control being ready |
| Charging Control Working Factor | Rate of charging control operation |
| Average Vehicle Speed during Trip | Average vehicle speed during current trip |
| Auxiliary Battery Integrated Current during Trip | Cumulative Battery (12V) charging current for the current trip |
| Auxiliary Battery Charging Integrated Current when Trip before Last | Cumulative Battery (12V) charging current for the previous trip |
| Auxiliary Battery Discharging Integrated Current when Trip before Last | Cumulative Battery (12V) discharging current for the previous trip |
| Auxiliary Battery Average Current during IG OFF | Average Battery (12V) current when power switch off |
| IG OFF Time just before IG ON | Number of days power switch was off before turned on (IG) |
| Auxiliary Battery Average Current when Auxiliary Battery Voltage Low (during IG OFF) | Average Battery (12V) current when Battery (12V) voltage low and power switch off |
| IG OFF Time when Auxiliary Battery Voltage Low (during IG OFF) | Number of days power switch was off when Battery (12V) low |
| Elapsed Time during Auxiliary Battery Voltage Low | Time of Battery (12V) being low |
| Auxiliary Battery Voltage Low Status by Hybrid Control ECM | Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>DATA MONITOR . |
| Auxiliary Battery Voltage Low Status from Hybrid Battery Control ECM | ↑ |
| Auxiliary Battery Voltage Low Status from Plug-in Control ECM | ↑ |
| Auxiliary Battery Supply Power during AC Charging | ↑ |
| Target Charging Power | ↑ |
| Charging Status | ↑ |
| Elapsed Time after Charging Status Transition | ↑ |
| Number of Charging (Same System Voltage) | ↑ |
| Charging Control Signal Status | ↑ |
| Charger Operation Status | ↑ |
| Charger Input Power | ↑ |
| Sub DC/DC Converter Supply Status (for Charging) | ↑ |
| Sub DC/DC Converter Start Request (for Charging) | ↑ |
| Target Sub DC/DC Converter Voltage (for Charging) | ↑ |
| Charger Power Supply Voltage Decreasing History during Charging | ↑ |
| Charging Power Save Mode History by Charger Temperature High | ↑ |
| WIN Low History during Charging | ↑ |
| Auxiliary Battery Increasing Electrical Load History during Charging | ↑ |
| AC Input Current | ↑ |
| AC Charger Rated Power | ↑ |
| AC Charging Inlet Connect Status | ↑ |
| AC Charging Input Minimum Voltage History | ↑ |
| AC Charging Negative Relay Drive Request | ↑ |
| AC Charging Positive Relay Drive Request | ↑ |
| AC Charging Precharge Relay Drive Request | ↑ |
| AC Charging Negative Relay Status | ↑ |
| AC Charging Positive Relay Status | ↑ |
| AC Charging Precharge Relay Status | ↑ |
| Operation to Raise AC Charger Rated Current | ↑ |
| Operation to Lower AC Charger Rated Current | ↑ |
| DC Quick Charging Lid Status | ↑ |
RENDER: 1.0x
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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.