Subaru Legacy III (2000-2003 year). Service 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.
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