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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (2.0L) >> Active Test >> Operation
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Active Test: Operation

CAUTION: After executing the system operation check mode, execute the Clear Memory Mode. <Ref. to OPERATION , Clear Memory Mode.>
NOTE: For operation procedures, refer to the "Help for Subaru Select Monitor".
  1. On «Start» display, select «Diagnosis».
  2. On «Vehicle selection» display, input the vehicle information and select «Confirmed».
  3. On «Main Menu» display, select «Each System».
  4. On «Select System» display, select «Engine Control System» and then select «Enter».
  5. On «Select Function» display, select «Active Test».
Active test items Contents Execution condition
Fuel Pump Control (ON/OFF Dr.) 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 0.0% ←→ 99.6%.
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
Fixed Idle Ignition Timing Idle ignition timing can be set and fixed to 10.0°.
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%.
EGR Valve Control EGR control valve can be set to 0 - 255 STEP.
High Pressure Fuel Inspection High pressure fuel pipe inspection can be executed.
Alternator control Alternator control mode can be set to one of the followings:
Low mode
Middle mode
High mode
ExHigh mode
Compression monitor Compression can be measured.
  • Ignition switch is ON (engine OFF)
  • Accelerator pedal is fully depressed