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Home >> Subaru >> 2019 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (STI) >> Active Test >> Operation >> Engine
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Active Test: Operation: Engine

NOTE: For detailed operation procedures, refer to "Application help".
Active test items Contents Execution condition
Fuel Pump Relay ON/OFF of the fuel pump can be set. Ignition switch is 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.
A/C Compressor Relay ON/OFF of the A/C relay can be set.
Turbocharger Wastegate Solenoid Wastegate control solenoid valve can be set between 0% ←→ 99.6%.
Secondary Air Combi Valve 1 ON/OFF of the secondary air combination valve relay 1 can be set.
Secondary Air Combi Valve 2 ON/OFF of the secondary air combination valve relay 2 can be set.
Secondary Air Pump Relay ON/OFF of the secondary air pump relay can be set.
CPC Solenoid 2 ON/OFF of the purge control solenoid valve 2 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. At idling
Fuel Pump Control (ON/OFF Dr.) ON/OFF of the fuel pump can be set.
Fixed Idle Ignition Timing Idle ignition timing can be set and fixed to 10°.
Idle Speed Control Idle speed can be set to 500 - 2000 rpm.
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 to 0 - 20%.