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Home >> Subaru >> 2017 >> Forester 2.0XT Premium >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics - Introduction) (H4DOTC) >> Active Test >> Operation
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Active Test: Operation

CAUTION: After executing the system operation check mode, clear the memory. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>Clear Memory Mode>OPERATION .
NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
  1. On [Start] display, select [Diagnosis].
  2. On [Vehicle selection] display, enter vehicle information and select [OK].
  3. On [Main Menu] display, select [Each System].
  4. On [Select System] display, select [Engine Control System] and 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 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 The leak check valve assembly switching valve can be set to ON/OFF.
ELCM pump The leak check valve assembly vacuum pump can be set to ON/OFF.
Fuel Pump Control (OFF Drive) Fuel pump can be set to OFF. Idling
Fixed Idle Ignition Timing Idle ignition timing can be set and fixed to 10.0°. 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 0 - 20%. Idling
EGR Valve Control (Step) EGR control valve can be set to 0 - 255 STEP. Idling
High Pressure Fuel Inspection High pressure fuel pipe inspection can be executed. Idling
Alternator control Alternator control mode can be set to one of the followings:
Low mode
Middle mode
High mode
ExHigh mode		 Idling
Compression monitor Compression can be measured. Ref. to MECHANICAL(H4DOTC)>Compression . Ignition switch ON (engine OFF)
Accelerator pedal is fully depressed
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