Subaru Legacy III (2000-2003 year). Service manual — part 106
EN(H4SO)-36
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 the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press the [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 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.
NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.
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 Bank 1
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
EN(H4SO)-37
ENGINE (DIAGNOSTICS)
SUBARU SELECT MONITOR
7. LED OPERATION MODE FOR ENGINE
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Engine Control System} and press the [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 the [YES]
key.
5) On the «Data Display Menu» display screen, select the {Data & LED Display} and press the [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.
NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.
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 Position Switch
ON or OFF
When neutral position signal is entered.
Air conditioning switch signal
A/C Switch
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.
Fuel pump relay signal
Fuel Pump Relay
ON or OFF
When fuel pump 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.
Front oxygen (A/F) sensor rich sig-
nal
Front O2 Rich Signal #1
ON or OFF
When front oxygen (A/F) sensor mixture ratio
is rich.
Rear oxygen sensor rich signal
Rear O2 Rich Signal
ON or OFF
When rear oxygen sensor mixture ratio is
rich.
Pressure control solenoid valve
PCV Solenoid Valve
ON or OFF
When pressure control solenoid valve is in
function.
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.
Camshaft position sensor signal
Camshaft Position Sig.
ON or OFF
When camshaft position sensor signal is
entered.
EN(H4SO)-38
ENGINE (DIAGNOSTICS)
SUBARU SELECT MONITOR
8. READ CURRENT DATA FOR AT.
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Transmission Control System} and press the
[YES] key.
3) Press the [YES] key after displayed the information of transmission type.
4) On the «Transmission Diagnosis» display screen, select the {Current Data Display & Save} and press the
[YES] key.
5) On the «Data Display Menu» display screen, select the {Data Display} and press the [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.
NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.
For select monitor display details, refer to the following.
Contents
Display
Unit of measure
Battery voltage
Battery Voltage
V
Rear vehicle speed sensor signal
Vehicle Speed #1
km/h or MPH
Front vehicle speed sensor signal
Vehicle Speed #2
km/h or MPH
Engine speed signal
Engine Speed
rpm
Automatic transmission fluid temperature signal
ATF Temp.
°
C or
°
F
Throttle position signal
Throttle Sensor Voltage
V
Gear position
Gear Position
—
Line pressure control duty ratio
Line Pressure Duty Ratio
%
Lock up clutch control duty ratio
Lock Up Duty Ratio
%
Transfer clutch control duty ratio
Transfer Duty Ratio
%
Power supply for throttle position sensor
Throttle Sensor Power
V
Torque converter turbine speed signal
AT Turbine Speed
rpm
2-4 brake timing pressure control duty ratio
2-4B Duty Ratio
%
Intake manifold pressure sensor voltage
Mani. Pressure Voltage
V
2 wheel drive switch signal
2WD Switch
ON or OFF
Stop lamp switch signal
Stop Lamp Switch
ON or OFF
Anti lock brake system signal
ABS Signal
ON or OFF
Cruise control system signal
Cruise Control Signal
ON or OFF
Neutral/Parking range signal
N/P Range Signal
ON or OFF
Reverse range signal
R Range Signal
ON or OFF
Drive range signal
D Range Signal
ON or OFF
3rd range signal
3rd Range Signal
ON or OFF
2nd range signal
2nd Range Signal
ON or OFF
1st range signal
1st Range Signal
ON or OFF
Shift control solenoid A
Shift Solenoid #1
ON or OFF
Shift control solenoid B
Shift Solenoid #2
ON or OFF
Torque control output signal #1
Torque Control Signal #1
ON or OFF
Torque control output signal #2
Torque Control Signal #2
ON or OFF
Torque control cut signal
Torque Control Cut Sig.
ON or OFF
2-4 brake timing control solenoid valve
2-4 Brake Timing Sol.
ON or OFF
Low clutch timing control solenoid valve
Low Clutch Timing Sol.
ON or OFF
Automatic transmission diagnosis indicator lamp
AT Diagnosis Lamp
ON or OFF
EN(H4SO)-39
ENGINE (DIAGNOSTICS)
READ DIAGNOSTIC TROUBLE CODE
11.Read Diagnostic Trouble
Code
A: OPERATION
1. SUBARU SELECT MONITOR (NORMAL
MODE)
1) On the «Main Menu» display screen, select the
{Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display
screen, select the {Engine Control System} and
press the [YES] key.
3) Press the [YES] key after displayed the informa-
tion of engine type.
4) On the «Engine Diagnosis» display screen, se-
lect the {Diagnostic Code(s) Display} and press the
[YES] key.
5) On the «Diagnostic Code(s) Display» display
screen, select the {Current Diagnostic Code(s)} or
{History Diagnostic Code(s)} and press the [YES]
key.
NOTE:
• For detailed operation procedure, refer to the
SUBARU SELECT MONITOR OPERATION MAN-
UAL.
• For detailed concerning diagnostic trouble
codes, refer to the List of Diagnostic Trouble Code
(DTC).
<Ref. to EN(H4SO)-83, List of Diagnostic Trouble
Code (DTC).>
2. SUBARU SELECT MONITOR (OBD
MODE)
1) On the «Main Menu» display screen, select the
{2. Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display
screen, select the {Engine Control System} and
press the [YES] key.
3) Press the [YES] key after displayed the informa-
tion of engine type.
4) On the «Engine Diagnosis» display screen, se-
lect the {OBD System} and press the [YES] key.
5) On the «OBD Menu» display screen, select the
{Diagnosis Code(s) Display} and press the [YES]
key.
6) Make sure that a diagnostic trouble code (DTC)
is shown on the display screen.
NOTE:
• For detailed operation procedure, refer to the
SUBARU SELECT MONITOR OPERATION MAN-
UAL.
• For detailed concerning diagnostic trouble
codes, refer to the List of Diagnostic Trouble Code
(DTC).
<Ref. to EN(H4SO)-83, List of Diagnostic Trouble
Code (DTC).>
3. OBD-II GENERAL SCAN TOOL
Refers to data denoting emission-related power-
train diagnostic trouble codes.
For details concerning diagnostic trouble codes, re-
fer to the List of Diagnostic Trouble Code (DTC).
<Ref. to EN(H4SO)-83, List of Diagnostic Trouble
Code (DTC).>
NOTE:
Refer to OBD-II general scan tool manufacturer's
instruction manual to access emission-related
powertrain diagnostic trouble codes (MODE $03).
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