Subaru Legacy III (2000-2003 year). Service manual — part 310
EN(H6DO)-42
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 functioning.
Radiator main fan relay signal
Radiator Fan Relay #1
ON or OFF
When radiator main fan relay is functioning.
Fuel pump relay signal
Fuel Pump Relay
ON or OFF
When fuel pump relay is functioning.
Knocking signal
Knocking Signal (#1 or #2)
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 functioning.
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.
Camshaft position sensor signal
Camshaft Position Sig.
ON or OFF
When camshaft position sensor signal is
entered.
Radiator sub fan relay 2 signal
Radiator Fan Relay 3
ON or OFF
When radiator sub fan relay is functioning.
Air conditioner mid pressure
switch signal
A/C Mid Pressure Switch
ON or OFF
When air conditioner mid pressure switch is
entered.
Air conditioner lock switch signal
A/C Lock Signal
ON or OFF
When air conditioner lock switch is entered.
EN(H6DO)-43
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(H6DO)-44
ENGINE (DIAGNOSTICS)
SUBARU SELECT MONITOR
Front Wheel Speed
Display: 0 — 255 km/h (0 — 158 MPH)
The front wheel speed is displayed. This signal is
used for the shift control, lock-up control, line pres-
sure control, and transfer control.
ATF Temp.
Display:
−−−−
40 to 215
°°°°
C (
−−−−
40 to 419
°°°°
F)
The ATF temperature via the signal from the ATF
temperature sensor is displayed.
Gear Position
Display:
The present gear position is displayed. The gear
position is calculated from the engine speed and
torque converter turbine speed.
Line Pressure Duty Ratio
Display: 0 — 123%
The duty value of the line pressure duty solenoid is
displayed. The line pressure duty solenoid is regu-
lated by the TCM, adjusting the line pressure to the
optimum value depending on driving conditions.
Lock Up Duty Ratio
Display: 0 — 123%
The duty value of the lock-up duty solenoid is dis-
played. The lock-up duty solenoid is regulated by
the TCM. Because the lock-up duty solenoid con-
trols the lock-up control valve, the lock-up clutch
engages and disengages smoothly.
Transfer Duty Ratio
Display: 0 — 123%
The duty value of the transfer duty solenoid is dis-
played. The transfer duty solenoid is regulated by
the TCM, adjusting the transfer clutch oil pressure
and controlling the driving force of the rear wheels.
Turbine Revolution Speed
Display: 0 — 8,160 rpm
The input shaft speed detected by the torque con-
verter speed sensor is displayed. This signal is
used to control the line pressure and 2 - 4 brake
pressure control timing during shifting.
Throttle Sensor Power
Display: 0 — 256 V
The supply voltage to the throttle sensor is dis-
played. This signal is used for the throttle sensor
output correction.
Brake Clutch Duty Ratio
Display: 0 — 123%
The duty value of the 2 - 4 brake duty solenoid. The
2 - 4 brake duty solenoid is regulated by the TCM,
adjusting the 2 - 4 brake pressure during shifting
and relieving from harsh shifting.
Rear Wheel Speed
Display: 0 — 255 km/h (0 — 158 MPH)
The rear wheel speed is displayed. This signal is
used to control the transfer. If the front vehicle
speed sensor is malfunctioning, this signal is used
as a substitute.
Cruise Control Signal
Display: ON or OFF
When the cruise control switch is ON, ON is dis-
played. When OFF, OFF is displayed.
ABS Signal
Display: ON or OFF
When the ABS function is active, ON is displayed.
When inactive, OFF is displayed.
Stop Light Signal
Display: ON or OFF
When the brake pedal is depressed, ON is dis-
played. When released, OFF is displayed.
1st, 2nd, 3rd, D, R, Range Signal
Display: ON or OFF
When the switch for each range is ON, ON is dis-
played.
2-4 Brake Timing Sol.
Display: ON or OFF
When the 2-4 brake timing solenoid is ON, ON is
displayed. When OFF, OFF is displayed. The 2-4
brake timing solenoid is regulated by the TCM, con-
trolling the release timing of the 2-4 brake.
Low Clutch Timing Sol.
Display: ON or OFF
When the low clutch timing solenoid is ON, ON is
displayed. When OFF, OFF is displayed. The low
clutch timing solenoid is regulated by the TCM,
controlling the release timing of the low clutch.
Shift Solenoid #1, #2
Display: ON or OFF
When the solenoid valve is ON, ON is displayed.
When OFF, OFF is displayed. By combining No. 1
and No. 2 solenoids, the shifting mechanism is con-
trolled.
P Range
Display: ON or OFF
When the shift lever stays in P range, ON is dis-
played. When not in P range, OFF is displayed.
N Range
Display: ON or OFF
When the shift lever stays in N range, ON is dis-
played. When not in N range, OFF is displayed.
EN(H6DO)-45
ENGINE (DIAGNOSTICS)
SUBARU SELECT MONITOR
Torque Control Signal #1, #2
Display: ON or OFF
When the torque down signal exists, ON is dis-
played. When it does not exist, OFF is displayed.
Torque Permission Signal
Display: ON or OFF
The signal which notifies whether or not torque
down is possible is displayed. This signal is trans-
mitted from the ECU in response to a torque down
signal from the TCU. When torque down is prohib-
ited, ON is displayed. When permitted, OFF is dis-
played.
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