Subaru Legacy BN/BS (2015-2019) Service Manual: Active test operation

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h6do) / Active test operation

CAUTION:

After executing the system operation check mode, execute the Clear Memory Mode. Clear Memory Mode > OPERATION

NOTE:

For detailed operation procedures, refer to “Application help”.

*: When the value of “Injection Quantity Control” under “Active Test” is changed from −12% — +12% while «Long term fuel trim B1» is −5%, the value of «A/F Sensor #1» will be changed to 0.92 or 1.17.

Item		SSM display		Execution condition
Activating the actuator ON/OFF	Activating the fuel pump ON/OFF	Fuel Pump Relay	ON ←> OFF	Ignition switch is ON (engine OFF)
	Activating the purge control solenoid valve ON/OFF	CPC Solenoid Valve	ON ←> OFF
	Activating the radiator fan relay ON/OFF	Radiator Fan Relay	ON ←> OFF
	Activating the ELCM switching valve ON/OFF	ELCM switching valve	ON ←> OFF
	Activating the ELCM vacuum pump ON/OFF	ELCM pump	ON ←> OFF
Fuel pump control	Fuel pump OFF operation	OFF Drive	OFF	At idling
Fixing the timing of idle ignition		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 Injector 5 Injector 6	At idling
Injector control	Fuel injection amount control (All cylinders)	Injection Quantity Control	−13 — 20%	At idling*
EGR control valve control		EGR Valve Control	0 — 255 STEP	At idling
Alternator control		Alternator control	Low mode Middle mode High mode ExHigh mode	At idling
Compression measurement		Compression monitor	—	• Ignition switch is ON (engine OFF) • Accelerator pedal is fully depressed

Engine (diagnostics)(h6do)

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Basic diagnostic procedure procedure

1. ENGINESTEPCHECKYESNO1.CHECK ENGINE START FAILURE.1) Ask the customer when and how the trouble occurred using the interview check list. Check List for Interview > CHECK2) Start the engine.Does the ...

Other materials:

Preparation tool
1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS18360AA040HANGER• Used for removing and installing EGR cooler.• Used together with BOLT (18363AA050).18363AA050BOLT• Used for removing and installing EGR cooler.• Used together with HANGER (18360AA040).41099AJ130SPECIAL ...