ENGINE (DIAGNOSTICS)(H4DO) > Subaru Select Monitor

1. Prepare the Subaru Select Monitor kit.

2. Connect the diagnosis cable to the Subaru Select Monitor.

3. Insert the cartridge to the Subaru Select Monitor.

4. Connect the Subaru Select Monitor to the data link connector.

(1) Data link connector is located in the lower portion of instrument panel (on the driver’s side).

(2) Connect the diagnosis cable to the data link connector.

CAUTION:

Do not connect any scan tools except the Subaru Select Monitor or general scan tool.

5. Turn the ignition switch to ON (engine OFF) and Subaru Select Monitor switch to ON.

(A)	Power switch

6. Using the Subaru Select Monitor, call up DTC and data, then record them.

1. On the «Main Menu» display screen, select {Each System Check} and press the [YES] key.

2. On the «System Selection Menu» display screen, select {Engine Control System} and press the [YES] key.

3. Press the [YES] key after the information of engine type has been displayed.

4. On the «Engine Diagnosis» display screen, select the {Current Data Display/Save}, and then press the [YES] key.

5. On the «Display Menu» screen, select the {Data Display} and press the [YES] key.

6. Using the scroll key, scroll the display screen up or down until the desired data is shown.

• A list of the support data is shown in the following table.

Contents	Display	Unit of measure	Note (at idling)
Engine load	Engine Load	%	1 — 3%
Engine coolant temperature signal	Coolant Temp.	°C or °F	≥ 75°C or 167°F
A/F correction 1	A/F Correction 1	%	−10 — +10%
A/F learning 1	A/F Learning 1	%	−15 — +15%
Intake manifold absolute pressure	Mani. Absolute Pressure	mmHg, kPa, inHg or psig	200 — 300 mmHg, 26.7 — 40 kPa, 7.8 — 11.8 inHg or 3.8 — 5.8 psig
Engine speed signal	Engine Speed	rpm	600 — 800 rpm (Agree with the tachometer indication)
Meter vehicle speed signal	Vehicle Speed	km/h or MPH	0 km/h or 0 MPH (at parking)
Ignition timing signal	Ignition Timing	deg	10 — 15 deg
Intake air temperature signal	Intake Air Temp.	°C or °F	20 — 50°C or 68 — 122°F
Intake air amount	Mass Air Flow	g/s or lb/m	2 — 7 g/s or 0.3 — 0.9 lb/m
Throttle opening angle signal	Throttle Opening Angle	%	1 — 5%
Rear oxygen sensor voltage	Rear O2 Sensor	V	0.01 — 0.85 V
Battery voltage	Battery Voltage	V	12 — 14 V
Mass air flow voltage	Air Flow Sensor Voltage	V	0.6 — 1.6 V
Injection 1 pulse width	Fuel Injection #1 Pulse	ms	2 — 4 ms
Knock sensor correction	Knocking Correction	deg	0.0 deg
Atmospheric absolute pressure signal	Atmosphere Pressure	mmHg, kPa, inHg or psig	(atmosphere pressure)
Intake manifold relative pressure	Intake manifold relative pressure	mmHg, kPa, inHg or psig	(Air intake absolute pressure − atmosphere pressure)
Learned ignition timing	Ignition learning value	°	−2 — 2°
Acceleration opening angle signal	Accel. Opening Angle	%	0.0%
Rear oxygen sensor heater current	Rear oxygen sensor heater current value	A	0.9 — 1.1 A
Fuel level signal	Fuel Level	V	0 — 5 V
Purge control solenoid duty ratio	CPC Duty	%	0 — 3%
EGR steps	No. of EGR Steps	STEP	0
Generator duty ratio	ALT Duty	%	0 — 100%
AVCS advance angle amount RH	VVT advance angle amount R	deg	0 deg
AVCS advance angle amount LH	VVT advance angle amount L	deg	0 deg
Oil flow control solenoid valve duty RH (AVCS)	OCV duty R	%	20 — 30%
Oil flow control solenoid valve duty LH (AVCS)	OCV duty L	%	20 — 30%
Oil flow control solenoid valve current RH	OCV current R	mA	100 — 200 mA
Oil flow control solenoid valve current LH	OCV current L	mA	100 — 200 mA
A/F sensor resistance value 1	A/F Sensor #1 Resistance	Ω	23 — 27 Ω
A/F sensor output lambda 1	A/F Sensor 1	—	0.85 — 1.15
A/F correction 3	A/F Correction 3	%	3.5 — 6.5%
Front oxygen (A/F) sensor current	A/F heater current value	A	5 — 10 A
Main throttle position sensor fully closed point voltage	Main throttle sensor fully closed voltage	V	0.3 — 0.9 V
Throttle motor duty	Throttle Motor Duty	%	5 — 15%
Throttle power supply voltage	Throttle Motor Voltage	V	(Battery voltage)
Sub throttle sensor voltage	Sub-throttle Sensor	V	0.54 V
Main throttle sensor voltage	Main-throttle Sensor	V	0.54 V
Sub accelerator sensor voltage	Sub-accelerator Sensor	V	0.66 V
Main accelerator sensor voltage	Main-accelerator Sensor	V	0.68 V
Secondary air pipe pressure signal	Secondary air pipe pressure	mmHg, kPa, inHg or psig	765 mmHg, 102 kPa, 30.1 inHg or 14.8 psig
Secondary airflow signal	Secondary airflow amount	g/s or lb/m	0.00 g/s or 0.00 lb/m
Memory vehicle speed (AT model)	Memorized Cruise Speed	km/h or MPH	0 km/h or 0 MPH
Fuel level sensor resistance	Fuel level resistance	Ω	0.0 Ω
#1 cylinder roughness monitor	Roughness Monitor #1	—	0
#2 cylinder roughness monitor	Roughness Monitor #2	—	0
#3 cylinder roughness monitor	Roughness Monitor #3	—	0
#4 cylinder roughness monitor	Roughness Monitor #4	—	0
AT/MT identification terminal	AT Vehicle ID Signal	—	ON/OFF
Test mode terminal	Test Mode Terminal	—	U-check
Neutral position switch signal	Neutral Position Switch	—	Neutral
Soft idle switch signal	Soft Idle SW	—	Idling
Ignition switch signal	Ignition Switch	—	ON input
Power steering switch signal	P/S Switch	—	OFF input (At OFF)
Air conditioning switch signal	A/C Switch	—	OFF input (At OFF)
Steering wheel switch signal	Steering Wheel SW	—	HIGH Input/LOW Input
Starter switch signal	Starter Switch	—	OFF input
Rear oxygen monitor	Rear O₂ Rich Signal	—	Rich/Lean
Knocking signal	Knocking Signal	—	None
Crankshaft position sensor signal	Crankshaft Position Signal	—	Provided
Camshaft position sensor signal	Camshaft Position Signal	—	Provided
Rear defogger switch signal	Rear Defogger Switch	—	OFF input (At OFF)
Blower fan switch signal	Blower Fan Switch	—	OFF input (At OFF)
Light switch signal	Light Switch	—	OFF input (At OFF)
Wiper switch signal	Wiper Switch	—	OFF input (At OFF)
A/C middle pressure switch signal	A/C Mid Pressure Switch	—	OFF input (At OFF)
Air conditioner compressor relay output signal	A/C Compressor Signal	—	OFF output (At OFF)
Radiator fan relay 1 signal	Radiator Fan Relay #1	—	OFF output (At OFF)
Radiator fan relay 2 signal	Radiator Fan Relay #2	—	OFF output (At OFF)
Fuel pump relay signal	Fuel Pump Relay	—	ON output
AT coordinate retard angle demand signal	Retard Signal from AT	—	None
AT coordinate fuel cut demand signal	Fuel Cut Signal from AT	—	None
AT coordinate permission signal	Torque Control Permission Signal	—	ON/OFF
Electronic throttle motor relay signal	ETC Motor Relay	—	ON
Clutch switch signal	Clutch Switch	—	OFF input (At OFF)
Stop light switch signal	Stop Light Switch	—	OFF input (At OFF)
SET/COAST switch signal	SET/COAST Switch	—	OFF input (At OFF)
RESUME/ACCEL switch signal	RESUME/ACCEL Switch	—	OFF input (At OFF)
Brake switch signal	Brake Switch	—	OFF input (At OFF)
Main switch signal	Main Switch	—	OFF input (At OFF)
Secondary air pump relay signal	Secondary air pump relay	—	OFF (At OFF)
Secondary Air Combination Valve Relay 1 signal	Secondary air combination valve relay 1	—	OFF (At OFF)
Cruise control cancel switch signal (model with cruise control)	CC Cancel SW	—	OFF

NOTE:

For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.

1. On the «Main Menu» display screen, select {Each System Check} and press the [YES] key.

2. On the «System Selection Menu» display screen, select {Engine Control System} and press the [YES] key.

3. Press the [YES] key after the information of engine type has been displayed.

4. On the «Engine Diagnosis» display screen, select {OBD System} and press the [YES] key.

5. On the «OBD Menu» screen, select {Current Data Display/Save}, and then press the [YES] key.

6. On the «Display Menu» screen, select the {Data Display} and press the [YES] key.

7. Using the scroll key, scroll the display screen up or down until the desired data is shown.

• A list of the support data is shown in the following table.

Remarks	Display	Unit of measure	Note (at idling)
Number of diagnosis code	Number of DTC	—	—
Condition of malfunction indicator light	MI (MIL)	—	ON or OFF
Monitoring test of misfire	Misfire monitoring	—	Supp YES
Monitoring test of misfire	Misfire monitoring	—	Rdy YES/Rdy NO
Monitoring test of fuel system	Fuel system monitoring	—	Supp YES
Monitoring test of fuel system	Fuel system monitoring	—	Rdy YES/Rdy NO
Monitoring test of comprehensive component	Component monitoring	—	Supp YES
Monitoring test of comprehensive component	Component monitoring	—	Rdy YES/Rdy NO
Test of catalyst	Catalyst Diagnosis	—	Supp YES
Test of catalyst	Catalyst Diagnosis	—	Rdy YES/Rdy NO
Test of heating-type catalyst	Heated catalyst	—	Supp NO
Test of heating-type catalyst	Heated catalyst	—	Rdy N/A
Test of evaporative emission purge control system	Evaporative purge system	—	Supp NO
Test of evaporative emission purge control system	Evaporative purge system	—	Rdy N/A
Test of secondary air system	Secondary air system	—	Supp YES
Test of secondary air system	Secondary air system	—	Rdy YES/Rdy NO
Test of air conditioning system	A/C system refrigerant	—	Supp NO
Test of air conditioning system	A/C system refrigerant	—	Rdy N/A
Test of oxygen sensor	Oxygen sensor	—	Supp YES
Test of oxygen sensor	Oxygen sensor	—	Rdy YES/Rdy NO
Test of oxygen sensor heater	O2 Heater Diagnosis	—	Supp YES
Test of oxygen sensor heater	O2 Heater Diagnosis	—	Rdy YES/Rdy NO
Test of EGR system	EGR system	—	Supp YES
Test of EGR system	EGR system	—	Rdy YES/Rdy NO
Air fuel ratio control system for bank 1	A/F Control #1	—	CLOSE
Engine load data	Calculated load value	%	1 — 3%
Engine coolant temperature signal	Coolant Temp.	°C or °F	75°C or more, or 167°F or more
Short term fuel trim by front oxygen (A/F) sensor	A/F Correction Value #1	%	−10 — +10%
Long term fuel trim by front oxygen (A/F) sensor	A/F Learning Value #1	%	−15 — +15%
Intake manifold absolute pressure signal	Mani. Absolute Pressure	mmHg, kPa, inHg or psig	200 — 300 mmHg, 27 — 40 kPa, 7.9 — 11.8 inHg or 3.9 — 5.8 psig
Engine speed signal	Engine Speed	rpm	600 — 800 rpm
Vehicle speed signal	Vehicle Speed	km/h or MPH	0 km/h or 0 MPH
#1 Cylinder ignition timing	Ignition timing #1	°	+10 — +20°
Intake air temperature signal	Intake Air Temp.	°C or °F	(ambient temperature) (50°C or up to 122°F)
Intake air amount	Mass Air Flow	g/s or lb/m	2 — 7 g/s or 0.3 — 0.9 lb/m
Throttle position signal	Throttle Opening Angle	%	1 — 5%
Secondary air system	Secondary air system	—	Stop
Oxygen sensor #12	Oxygen sensor #12	V	0.01 — 0.85 V
Air fuel ratio correction by rear oxygen sensor	A/F Correction #12	%	3.5 — 6.5%
On-board diagnostic system	OBD System	—	EOBD
Oxygen sensor #11	Oxygen sensor #11	—	Support
Rear oxygen sensor output signal	Oxygen sensor #12	—	Support
Driving distance after the malfunction indicator light illuminates	Lighted MI Lamp History	km or miles	0 km or 0 miles
A/F lambda signal	A/F sensor #11	—	0.85 — 1.15
A/F sensor output signal	A/F sensor #11	V	2.3 — 3.0 V
Target EGR	Target EGR	%	—
EGR status	EGR Status	%	—
Evaporative purge	Evaporative Purge	%	—
Fuel Level	Fuel Level	%	—
Number of warm-ups after DTC clear	Number Of Warm-ups After DTC Clear	—	—
Travel distance after DTC clear	Travel Distance After DTC Clear	km or MPH	—
Atmosphere pressure	Atmosphere Pressure	mmHg, kPa, inHg or psig	—
Monitoring test of misfire	Misfire monitoring	—	Enable YES/NO
Monitoring test of misfire	Misfire monitoring	—	Comp YES/NO
Monitoring test of fuel system	Fuel system monitoring	—	Enable YES/NO
Monitoring test of fuel system	Fuel system monitoring	—	Comp YES/NO
Monitoring test of comprehensive component	Component monitoring	—	Enable YES/NO
Monitoring test of comprehensive component	Component monitoring	—	Comp YES/NO
Test of catalyst	Catalyst Diagnosis	—	Enable YES/NO
Test of catalyst	Catalyst Diagnosis	—	Comp YES/NO
Test of heating-type catalyst	Heated catalyst	—	Enable N/A
Test of heating-type catalyst	Heated catalyst	—	Comp N/A
Test of evaporative emission purge control system	Evaporative purge system	—	Enable N/A
Test of evaporative emission purge control system	Evaporative purge system	—	Comp N/A
Test of secondary air system	Secondary air system	—	Enable YES/NO
Test of secondary air system	Secondary air system	—	Comp YES/NO
Test of air conditioning system	A/C system refrigerant	—	Enable N/A
Test of air conditioning system	A/C system refrigerant	—	Comp N/A
Test of oxygen sensor	Oxygen sensor	—	Enable YES/NO
Test of oxygen sensor	Oxygen sensor	—	Comp YES/NO
Test of oxygen sensor heater	O2 Heater Diagnosis	—	Enable YES/NO
Test of oxygen sensor heater	O2 Heater Diagnosis	—	Comp YES/NO
Test of EGR system	EGR system	—	Enable YES/NO
Test of EGR system	EGR system	—	Comp YES/NO
ECM power voltage	ECM power voltage	V	—
Absolute load	Absolute load	%	—
A/F target lambda	A/F Target Lambda	—	—
Relative throttle position	Relative throttle position	%	—
Ambient temperature	Ambient temperature	°C or °F	—
Absolute throttle opening angle 2	Absolute throttle opening angle 2	%	—
Absolute accelerator opening angle 1	Absolute accelerator opening angle 1	%	—
Absolute accelerator opening angle 2	Absolute accelerator opening angle 2	%	—
Target throttle opening angle	Target throttle opening angle	%	—
Engine operating time during MIL illumination	Engine operating time during MIL illumination	min	—
Elapsed time after DTC clear	Elapsed time after DTC clear	min	—
Fuel used	Fuel used	—	GAS
Relative throttle opening angle	Relative throttle opening angle	%	—

NOTE:

For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.

1. On the «Main Menu» display screen, select {Each System Check} and press the [YES] key.

2. On the «System Selection Menu» display screen, select {Engine Control System} and press the [YES] key.

3. Press the [YES] key after the information of engine type has been displayed.

4. On the «Engine Diagnosis» display screen, select {OBD System} and press the [YES] key.

5. On the »OBD Menu» display screen, select the {Freeze Frame Data} and press the [YES] key.

• A list of the support data is shown in the following table.

Description	Display	Unit of measure	Note
DTCs of freeze frame data	Freeze code	Diagnostic trouble code (DTC)	—
Air fuel ratio control system for bank 1	Fuel system for Bank 1	Closed Loop or Open Loop	—
Oxygen sensor output voltage	Oxygen sensor #12	V	—
Short term fuel trim by oxygen sensor	Short term fuel trim B1	%	—
Engine load data	Engine Load	%	—
Engine coolant temperature signal	Coolant Temp.	°C or °F	—
Short term fuel trim by front oxygen (A/F) sensor	Short term fuel trim B1	%	—
Long term fuel trim by front oxygen (A/F) sensor	Long term fuel trim B1	%	—
Intake manifold absolute pressure signal	Mani. Absolute Pressure	mmHg, kPa, inHg or psi	—
Engine speed signal	Engine Speed	rpm	—
Vehicle speed signal	Vehicle Speed	km/h or MPH	—
Ignition timing advance for #1 cylinder	Ignition timing advance #1	°	—
Intake air temperature signal	Intake Air Temp.	°C or °F	—
Intake air amount	Mass Air Flow	g/s or lb/m	—
Throttle position signal	Throttle Opening Angle	%	—
Secondary air system	Secondary air system	—	—
Oxygen sensor #11	Oxygen sensor #11	—	Support
Oxygen sensor #12	Oxygen sensor #12	—	Support
Elapsed time after starting engine	Elapsed Time After starting Engine	sec	—
Target EGR	Target EGR	%	—
EGR status	EGR Status	%	—
Evaporative purge	Evaporative Purge	%	—
Fuel Level	Fuel Level	%	—
Atmosphere pressure	Atmosphere Pressure	mmHg, kPa, inHg or psig	—
ECM power supply voltage	ECM power supply voltage	V	—
Absolute load	Absolute load	%	—
A/F target lambda	A/F Target Lambda	—	—
Relative throttle opening angle	Relative throttle opening angle	%	—
Ambient temperature	Ambient temperature	°C or °F	—
Absolute throttle opening angle 2	Absolute throttle opening angle 2	%	—
Absolute accelerator opening angle 1	Absolute accelerator opening angle 1	%	—
Absolute accelerator opening angle 2	Absolute accelerator opening angle 2	%	—
Target throttle opening angle	Target Throttle Opening Angle	%	—

NOTE:

For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.

1. On the «Main Menu» display screen, select {Each System Check} and press the [YES] key.

2. On the «System Selection Menu» display screen, select {Engine Control System} and press the [YES] key.

3. Press the [YES] key after the information of engine type has been displayed.

4. On the «Engine Diagnosis» display screen, select the {Current Data Display/Save}, and then press the [YES] key.

5. On the «Data Display» screen, select {Data LED Display} and press the [YES] key.

6. Using the scroll key, scroll the display screen up or down until the desired data is shown.

• A list of the support data is shown in the following table.

Remarks	Display	Message	When LED “ON” is required
AT/MT identification signal	AT Vehicle ID Signal	ON or OFF	Illuminate (AT model)
Test mode signal	Test Mode Terminal	U check or D check	D check
Neutral position switch signal	Neutral Position Switch	ON or OFF	When neutral position signal is input.
Idle switch signal	Soft Idle SW	Idle or Other than Idle	When idle switch signal is input.
Ignition switch signal	Ignition Switch	ON or OFF	When ignition switch is turned ON.
Power steering switch signal	P/S Switch	ON or OFF	When power steering switch is entered.
Air conditioning switch signal	A/C Switch	ON or OFF	When air conditioning switch is input.
Steering wheel switch signal	Steering Wheel SW	LOW or HIGH	When steering wheel switch LOW signal is input.
Starter switch signal	Starter Switch	ON or OFF	When starter switch is input.
Rear oxygen sensor rich signal	Rear O2 Rich Signal	Rich or Lean	When rear oxygen sensor mixture ratio is rich.
Knocking signal	Knocking Signal	Provided or None	When knocking signal is input.
Crankshaft position sensor signal	Crankshaft Position Signal	Provided or None	When crankshaft position sensor signal is input.
Camshaft position sensor signal	Camshaft Position Signal	Provided or None	When camshaft position sensor signal is input.
Rear defogger switch signal	Rear Defogger Switch	ON or OFF	When rear defogger switch is turned to ON.
Blower fan switch signal	Blower Fan Switch	ON or OFF	When blower fan switch is turned to ON.
Light switch signal	Light Switch	ON or OFF	When light switch is turned ON.
Wiper switch signal	Wiper Switch	ON or OFF	When windshield wiper switch is turned to ON.
A/C middle pressure switch signal	A/C Mid Pressure Switch	ON or OFF	When A/C middle pressure switch is turned to ON.
Air conditioning relay signal	A/C Compressor Signal	ON or OFF	When air conditioning relay is in function.
Radiator fan relay 1 signal	Radiator Fan Relay #1	ON or OFF	When radiator fan relay 1 is in function.
Radiator fan relay 2 signal	Radiator Fan Relay #2	ON or OFF	When radiator fan relay 2 is in function.
Fuel pump relay signal	Fuel Pump Relay	ON output/OFF output	ON output
AT retard angle demand signal	Retard Signal	Provided or None	When AT retard angle demand signal is input.
AT fuel cut signal	Fuel Cut	Provided or None	When AT fuel cut signal is input.
AT coordinate permission signal	Torque Control Permission Signal	Permitted or Prohibited	When AT coordinate permission signal is input.
Electronic throttle motor relay signal	ETC Motor Relay	ON or OFF	When electronic throttle motor relay is in function.
Clutch switch signal	Clutch Switch	ON or OFF	When clutch switch is turned to ON.
Stop light switch signal	Stop Light Switch	ON or OFF	When stop light switch is turned ON.
SET/COAST switch signal	SET/COAST Switch	ON or OFF	When SET/COAST switch is turned to ON.
RES/ACC switch signal	RESUME/ACCEL Switch	ON or OFF	When RES/ACC switch is turned to ON.
Brake switch signal	Brake Switch	ON or OFF	When brake switch is turned to ON.
Main switch signal	Main Switch	ON or OFF	When main switch is turned to ON.
Secondary air pump relay signal	Air pump relay	ON or OFF	Secondary air pump relay function
Secondary Air Combination Valve 1 signal	Combination valve 1	ON or OFF	Secondary air combination valve 2 is ON
Cancel switch signal	Cancel Switch	ON or OFF	When cancel switch is turned to ON.

NOTE:

For detailed operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.