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.
2021 Subaru Crosstrek HybridFACTORY OEM SERVICE PROCEDURE
Active Test: List
| Active test items | Contents | Execution condition |
|---|---|---|
| Fuel Pump Relay | ON/OFF of the fuel pump can be set. | Ignition switch ON (engine OFF) |
| CPC Solenoid Valve | ON/OFF of the purge control solenoid valve can be set. | |
| Radiator Fan Relay | ON/OFF of the radiator fan relay can be set. | |
| ELCM switching valve | ON/OFF of the leak check valve assembly switching valve can be set. | |
| ELCM pump | ON/OFF of the leak check valve assembly vacuum pump can be set. | |
| Fuel Pump Control (OFF Drive) | Fuel pump can be set to OFF. | Non-load idling*1 |
| Fixed Idle Ignition Timing | Ignition timing is set depending on the engine speed. | |
| Idle Speed Control | Idle speed can be set.
CAUTION:
Idle speed can be set up to 500 rpm at the Subaru Select Monitor. However, do not set to 1000 rpm or less.
|
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| Injection Stop Mode (Injector 1) Injection Stop Mode (Injector 2) Injection Stop Mode (Injector 3) Injection Stop Mode (Injector 4) | Injector of each cylinder can be set to stop the fuel injection. | |
| Injection Quantity Control | The amount of fuel injection can be set. | |
| EGR Valve Control (Step) | STEP number of the EGR control valve can be set. | |
| Active Grille Shutter Control*2 | Open ←→ close of the active grille shutter can be set. |
|
| Electric Vent Solenoid Value | Open/close status of the valve that seals the fuel tank is displayed. Open: Not sealed Close: Sealed |
|
| Fuel Filler Lid Lock Solenoid Relay Output | Operating status of the relay that drives the lock assembly fuel is displayed. ON: Opens the fuel lid OFF: Does not open the lock assembly fuel |
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- *1 : A condition where Inspection Mode for measuring Exhaust Gas is initiated before starting engine and the following data monitor items are ON after starting engine corresponds to non-load idling. Ref. to P-HEV HYBRID POWERTRAIN CONTROL (DIAGNOSTICS)>WORK SUPPORT>OPERATION>SERVICE MODE . Ref. to ENGINE (DIAGNOSTICS) (H4DO(HEV))>DATA MONITOR .
- Service mode
- Engine self-sustaining judgment
- *2 : After replacing ECM or active grille shutter, be sure to perform this procedure.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.