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Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (H4DOTC) (STI) >> System Operation Check Mode >> Operation >> Engine
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System Operation Check Mode: Operation: Engine

NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
Item SSM display Execution condition
Actuator ON/OFF Operation Activating the fuel pump ON/OFF Fuel Pump ON ←→ OFF Ignition switch is ON (engine OFF)
Activating the purge control solenoid valve 1 ON/OFF CPC Solenoid Valve ON ←→ OFF
Activating the radiator fan relay ON/OFF Radiator Fan Relay ON ←→ OFF
Activating the A/C relay ON/OFF A/C Relay ON ←→ OFF
Activating the wastegate control solenoid valve ON/OFF Turbocharger Wastegate Solenoid 0.0% ←→ 99.6%
Activating the secondary air combination valve relay 1 ON/OFF Secondary Air Combi Valve 1 ON ←→ OFF
Activating the secondary air combination valve relay 2 ON/OFF Secondary Air Combi Valve 2 ON ←→ OFF
Activating the secondary air pump relay ON/OFF Secondary Air Pump Relay ON ←→ OFF
Activating the purge control solenoid valve 2 ON/OFF CPC Solenoid 2 ON ←→ OFF
Activating the ELCM switching valve ELCM switching valve ON ←→ OFF
Activating the ELCM vacuum pump ELCM pump ON ←→ OFF
Fuel Pump Control Fuel pump OFF operation OFF drive OFF At idling
Activating the fuel pump ON/OFF ON/OFF Dr. ON ←→ OFF Ignition switch is ON (engine OFF)
Fixed Idle Ignition Timing Fixed Idle Ignition Timing 16.0° At idling
Idle Speed Control Idle Speed Control 500 - 2000 rpm At idling
Injector Control Stopping fuel injection (Cylinder selection) Injection Stop Mode Injector 1
Injector 2
Injector 3
Injector 4
At idling
Fuel injection amount control (All cylinders) Injection Quantity Control 0 - 20% At idling