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.
2020 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Active Test: List
| Active test item | 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. | |||
| Coolant Circulation Valve Control | The thermo-control valve opening angle can be set to -83 - 79°. | |||
| Fuel Pump Control (OFF Drive) | Fuel pump can be set to OFF. | Idling | ||
| Fixed Idle Ignition Timing | Idle ignition timing can be set to 3 - 18° according to engine speed. | Idling | ||
| Idle Speed Control | Idle speed can be set to 500 - 2000 rpm. | Idling | ||
| 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. | Idling | ||
| Injection Quantity Control | The amount of fuel injection can be set to -12.5 - 20%. | Idling | ||
| EGR Valve Control (Step) | EGR control valve can be set to 0 - 57 STEP. | Idling | ||
| Alternator control | Alternator control mode can be set to one of the followings:
|
Idling | ||
| Active Grille Shutter Control(1) | Open ←→ close of the active grille shutter can be set. |
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| Compression monitor | Compression can be measured. |
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Factory Service Tools
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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.
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