Subaru Legacy III (2000-2003 year). Manual - part 464

EN(H4DOSTC)-26

ENGINE (DIAGNOSTICS)

SUBARU SELECT MONITOR

9. Subaru Select Monitor

A: OPERATION

1. HOW TO USE SUBARU SELECT MONI-
TOR

1) Prepare the Subaru Select Monitor kit. <Ref. to
EN(H4DOSTC)-8, PREPARATION TOOL, Gener-
al Description.>

2) Connect the diagnosis cable to Subaru Select
Monitor.
3) Insert the cartridge into Subaru Select Monitor.
<Ref. to EN(H4DOSTC)-8, PREPARATION TOOL,
General Description.>

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

(1) Data link connector located in the lower por-
tion of the instrument panel (on the driver's
side).

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

CAUTION:
Do not connect scan tools except for the 
Subaru Select Monitor and OBD-II general scan 
tool.
5) Turn the ignition switch to ON (engine OFF) and
Subaru Select Monitor switch to ON.

6) Using the Subaru Select Monitor, call up the di-
agnostic trouble code(s) and various data, then
record them.

2. READ DIAGNOSTIC TROUBLE CODE 
(DTC) FOR ENGINE. (NORMAL MODE)

Refer to Read Diagnostic Trouble Code for infor-
mation about how to indicate DTC. <Ref. to
EN(H4DOSTC)-32, Read Diagnostic Trouble
Code.>

3.  READ DIAGNOSTIC TROUBLE CODE 
(DTC) FOR ENGINE. (OBD MODE)

Refer to Read Diagnostic Trouble Code for infor-
mation about how to indicate DTC. <Ref. to
EN(H4DOSTC)-32, Read Diagnostic Trouble
Code.>

EN-00038

ST

EN-00039

EN-00999

(A) Power switch

EN-00040

( A )

EN(H4DOSTC)-27

ENGINE (DIAGNOSTICS)

SUBARU SELECT MONITOR

4. READ CURRENT DATA FOR ENGINE. (NORMAL MODE)

1) On the «Main Menu» display screen, select the {Each System Check} and press [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press [YES]
key.
3) Press the [YES] key after displayed the information of engine type.
4) On the «Engine Diagnosis» display screen, select the {Current Data Display & Save} and press [YES] key.
5) On the «Data Display Menu» display screen, select the {Data Display} and press [YES] key.
6) Using the scroll key, move the display screen up or down until desired data is shown.
• A list of the support data is shown in the following table.

Contents

Display

Unit of measure

Battery voltage

Battery Voltage

V

Vehicle speed signal

Vehicle Speed

km/h or MPH

Engine speed signal

Engine Speed

rpm

Engine coolant temperature signal

Coolant Temp.

°

C or  

°

F

Ignition timing signal

Ignition Timing

deg

Throttle position signal

Throttle Opening Angle

%

Throttle position signal

Throttle Sensor Voltage

V

Injection pulse width

Fuel Injection #1 Pulse

ms

Idle air control signal

ISC Valve Duty Ratio

%

Alternator duty control signal

ALT Duty

%

Fuel pump duty control signal

Fuel Pump Duty

%

A/F sensor resistance

A/F Sensor #1 Resistance

Ω

Front oxygen (A/F) sensor output signal

A/F Sensor Output Lamda 1

—

Rear oxygen sensor output signal

Rear O2 Sensor

V

Short term fuel trim

A/F Correction #1

%

Knock sensor signal

Knocking Signal

deg

Atmospheric absolute pressure signal

Atmosphere Pressure

mmHg or kPa or inHg or 

psig

Intake manifold relative pressure signal

Mani. Relative Pressure

mmHg or kPa or inHg or 

psig

Intake manifold absolute pressure signal

Mani. Absolute Pressure

mmHg or kPa or inHg or 

psig

A/F correction (short term fuel trim) by rear oxygen sensor

A/F Correction #3

%

Long term whole fuel trim

A/F Learning #1

%

Front oxygen (A/F) sensor heater current

A/F Heater Current 1

A

Rear oxygen sensor heater voltage

Rear O2 Heater Voltage

V

Canister purge control solenoid valve duty ratio

CPC Valve Duty Ratio

%

Primary supercharged pressure control signal

Primary Control

%

Secondary supercharged pressure control signal

Secondary control

%

Differential pressure sensor signal

Diff. Press. Sen. Vol.

V

Differential pressure sensor signal

Pressure Diff. Sensor

mmHg or kPa or inHg or 

psig

Intake air temperature signal

Intake Air Temp.

°

C or  

°

F

Mass air flow sensor signal

Mass Air Flow

g/s

Mass air flow sensor signal

Air Flow Sensor Voltage

V

Ignition switch signal

Ignition Switch

ON or OFF

Test mode connector signal

Test Mode Signal

ON or OFF

Neutral position switch signal

Neutral Position Switch

ON or OFF

Air conditioning switch signal

A/C Switch

ON or OFF

Air conditioning signal

A/C Compressor Signal

ON or OFF

Radiator main fan relay signal

Radiator Fan Relay #1

ON or OFF

Knocking signal

Knocking Signal

ON or OFF

Radiator sub fan relay signal

Radiator Fan Relay #2

ON or OFF

EN(H4DOSTC)-28

ENGINE (DIAGNOSTICS)

SUBARU SELECT MONITOR

NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.

5. READ CURRENT DATA FOR ENGINE. (OBD MODE)

1) On the «Main Menu» display screen, select the {Each System Check} and press [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press [YES]
key.
3) Press the [YES] key after displayed the information of engine type.
4) On the «Engine Diagnosis» display screen, select the {OBD System} and press [YES] key.
5) On the «OBD Menu» display screen, select the {Current Data Display & Save} and press [YES] key.
6) On the «Data Display Menu» display screen, select the {Data Display} and press [YES] key.
7) Using the scroll key, move the display screen up or down until desired data is shown.
• A list of the support data is shown in the following table.

NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.

Power steering switch signal

P/S Switch

ON or OFF

Rear oxygen sensor rich signal

Rear O2 Rich Signal

ON or OFF

Starter switch signal

Starter Switch

ON or OFF

Idle switch signal

Idle Switch Signal

ON or OFF

Crankshaft position sensor signal

Crankshaft Position Sig.

ON or OFF

Camshaft position sensor signal

Camshaft Position Sig.

ON or OFF

Rear defogger switch signal

Rear Defogger SW

ON or OFF

Blower fan switch signal

Blower Fan SW

ON or OFF

Small light switch signal

Light Switch

ON or OFF

Supercharged pressure relief valve solenoid 1 signal

Relief Valve Solenoid 1

ON or OFF

Supercharged pressure relief valve solenoid 2 signal

Relief Valve Solenoid 2

ON or OFF

Exhaust gas positive pressure signal

Ex. Gas Pos. Pressure

ON or OFF

Exhaust gas negative pressure signal

Ex. Gas Neg. Pressure

ON or OFF

Read memory connector signal

Read Memory Signal

ON or OFF

MT/AT identification signal

AT Vehicle ID Signal

ON or OFF

TCS relief valve solenoid signal

TCS Relief Valve Sol.

ON or OFF

Engine torque control signal #1

Torque Control Signal #1

ON or OFF

Engine torque control signal #2

Torque Control Signal #2

ON or OFF

Engine torque control permission signal

Torque Permission Signal

ON or OFF

Contents

Display

Unit of measure

Number of diagnosis code

Number of Diagnosis Code

—

Malfunction indicator lamp status

MI (MI)

Complete or incomplete

Monitoring test of misfire

Misfire monitoring

No support

Monitoring test of fuel system

Fuel system monitoring

Complete or incomplete

Monitoring test of comprehensive component

Component monitoring 

Complete or incomplete

Test of catalyst

Catalyst Diagnosis

No support

Test of heated catalyst

Heated catalyst

No support

Test of evaporative emission purge control system

Evaporative purge system

No support

Test of secondary air system

Secondary air system

No support

Test of air conditioning system refrigerant

A/C system refrigerant

No support

Test of oxygen sensor

Oxygen sensor

Complete or incomplete

Test of oxygen sensor heater

O2 Heater Diagnosis

Complete or incomplete

Test of EGR system

EGR system

No support

Contents

Display

Unit of measure

EN(H4DOSTC)-29

ENGINE (DIAGNOSTICS)

SUBARU SELECT MONITOR

6. READ FREEZE FRAME DATA FOR ENGINE. (OBD MODE)

1) On the «Main Menu» display screen, select the {Each System Check} and press [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press [YES]
key.
3) Press the [YES] key after displayed the information of engine type.
4) On the «Engine Diagnosis» display screen, select the {OBD System} and press [YES] key.
5) On the «OBD Menu» display screen, select the {Freeze Frame Data} and press [YES] key.
• A list of the support data is shown in the following table.

NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.

7. LED OPERATION MODE FOR ENGINE

1) On the «Main Menu» display screen, select the {Each System Check} and press [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press [YES]
key.
3) Press the [YES] key after displayed the information of engine type.
4) On the «Engine Diagnosis» display screen, select the {Current Data Display & Save} and press [YES] key.
5) On the «Data Display Menu» display screen, select the {Data & LED Display} and press [YES] key.
6) Using the scroll key, move 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

Diagnostic trouble code (DTC) for freeze frame data

Freeze frame data

DTC

Air fuel ratio control system for bank 1

Fuel system for Bank1

ON or OFF

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 or kPa or inHg or 

psig

Engine speed signal

Engine Speed

rpm

Vehicle speed signal

Vehicle Speed

km/h or MPH

Contents

Display

Message

LED “ON” requirements

Ignition switch signal

Ignition Switch

ON or OFF

When ignition switch is turned ON.

Test mode connector signal

Test Mode Signal

ON or OFF

When test mode connector is connected.

Neutral position switch signal

Neutral SW

ON or OFF

When neutral position signal is entered.

Air conditioning switch signal

A/C SW

ON or OFF

When air conditioning switch is turned ON.

Air conditioning relay signal

A/C Relay

ON or OFF

When air conditioning relay is in function.

Radiator main fan relay signal

Radiator Fan Relay #1

ON or OFF

When radiator main fan relay is in function.

Knocking signal

Knocking Signal

ON or OFF

When knocking signal is entered.

Radiator sub fan relay signal

Radiator Fan Relay #2

ON or OFF

When radiator sub fan relay is in function.

Engine torque control signal #1

Torque Control Signal #1

ON or OFF

When engine torque control signal 1 is 
entered.

Engine torque control signal #2

Torque Control Signal #2

ON or OFF

When engine torque control signal 2 is 
entered.

Engine torque control permission 
signal

Torque Control Permit

ON or OFF

When engine torque control permission sig-
nal is entered.

Rear oxygen sensor rich signal

Rear O2 Rich Signal

ON or OFF

When rear oxygen sensor mixture ratio is 
rich.

Starter switch signal

Starter Switch Signal

ON or OFF

When starter switch signal is entered.

Idle switch signal

Idle Switch Signal

ON or OFF

When idle switch signal is entered.

Crankshaft position sensor signal

Crankshaft Position Sig.

ON or OFF

When crankshaft position sensor signal is 
entered.