1995 SUBARU LEGACY sensor

B2M0272

FUNCTION MODE: F09
—LOAD DATA (LDATA)—
OBD0671

FUNCTION MODE: F10
—THROTTLE POSITION SIGNAL (THV)—
NOTE:
Be sure that the displayed value changes smoothly when
changing throttle valve from fully closed to fully opened.
B2M0273

FUNCTION MODE: F11
—INJECTOR PULSE WIDTH (TIM)—
B2M0274

FUNCTION MODE: F12
—IDLE AIR CONTROL SIGNAL (ISC)—
OBD0205

FUNCTION MODE: F13
—FRONT OXYGEN SENSOR OUTPUT
SIGNAL
(FO2)—
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

OBD0206

FUNCTION MODE: F14
—FRONT OXYGEN SENSOR MAXIMUM
OUTPUT SIGNAL (FO2MAX)—
OBD0207

FUNCTION MODE: F15
—FRONT OXYGEN SENSOR MINIMUM
OUTPUT SIGNAL (FO2MIN)—
OBD0225

FUNCTION MODE: F16
—REAR OXYGEN SENSOR OUTPUT SIGNAL
(RO2)—
OBD0226

FUNCTION MODE: F17
—REAR OXYGEN SENSOR MAXIMUM
OUTPUT SIGNAL (RO2MAX)—
OBD0227

FUNCTION MODE: F18
—REAR OXYGEN SENSOR MINIMUM
OUTPUT SIGNAL (RO2MIN)—
40
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

B2M0278

FUNCTION MODE: F19
—SHORT TERM FUEL TRIM [A/F
CORRECTION COEFFICIENT] (ALPHA)—
OBD0672

FUNCTION MODE: F20
—KNOCK SENSOR SIGNAL [IGNITION
TIMING CORRECTION COEFFICIENT] (RTRD)
—
OBD0619

FUNCTION MODE: F21
—A/F CORRECTION COEFFICIENT [SHORT
TERM TRIM] BY REAR OXYGEN SENSOR
(PHOS)—
OBD0158

FUNCTION MODE: F23
—ATMOSPHERIC ABSOLUTE PRESSURE
SIGNAL [AT VEHICLES] (BARO. P)—
OBD0620

FUNCTION MODE: F24
—INTAKE MANIFOLD ABSOLUTE
PRESSURE SIGNAL [AT VEHICLES] (MANI. P)
—
41
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

OBD0621

FUNCTION MODE: F25
—LONG TERM FUEL TRIM [A/F LEARNING
CORRECTION COEFFICIENT] (KBLRC)—
OBD0624

FUNCTION MODE: F28
—LONG TERM FUEL TRIM WHOLE [A/F
LEARNING CONTROL COEFFICIENT] (K0)—
OBD0215

FUNCTION MODE: F29
—FRONT OXYGEN SENSOR HEATER
CURRENT (FO2H)—
OBD0235

FUNCTION MODE: F30
—REAR OXYGEN SENSOR HEATER
CURRENT (RO2H)—
OBD0627

FUNCTION MODE: F33
—MAXIMUM VALUE OF CYLINDER #1
MISFIRE RATE DURING 200 ROTATIONS
(MF1)—
NOTE:
Maximum misfire rate of cylinder #1 indicated on Subaru
select monitor is not the same as the actual rate.
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

3. FA MODE FOR ENGINE
Function
modeLED No. Contents Display LED“ON”requirements
FA 01 Ignition switch IG When ignition switch is turned ON.
2 AT/MT identification signal AT When AT identification signal is entered.
3 Test mode connector UD When test mode connector is connected.
5 Idle speed control identification signal ICWhen engine rpm is less than the established
value.
7 Neutral switch NT When neutral position signal is entered.
FA 12 Air conditioner switch AC When air conditioner switch is turned ON.
3 Air conditioner relay AR When air conditioner relay is in function.
4 Radiator fan relay 1 R1 When radiator fan relay 1 is in function.
5 Radiator fan relay 2 R2 When radiator fan relay 2 is in function.
6 Fuel pump relay FP When fuel pump relay is in function.
7 Purge control solenoid valve CP When purge control solenoid valve is in function.
9 Pressure sources switching solenoid valve BRWhen pressure sources switching solenoid valve
is in function.
FA 23 EGR solenoid valve EG When EGR solenoid valve is in function.
4 Engine torque control signal TR When engine torque control signal is entered.
5 Engine torque control cut signal TC When engine torque control cut signal is got out.
9 Front oxygen sensor signal FO When front oxygen sensor mixture ratio is rich.
10 Rear oxygen sensor signal RO When rear oxygen sensor mixture ratio is rich.
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

LED No. Signal name Display
1——
2——
3 EGR solenoid valve EG
4 Torque control signal TR
5 Torque control cut signal TC
6——
7——
8——
9 Front oxygen sensor signal FO
10 Rear oxygen sensor signal RO
——EG TR TC
———FO RO
1
2345
678910

FUNCTION MODE: FA2
—ON↔OFF SIGNAL—
Requirement for LED“ON”.
LED No. 3 EGR solenoid valve is in function.
LED No. 4 ECM entered the torque control signal emit-
ted from TCM.
LED No. 5 Engine torque control cut signal goes out.
LED No. 9 Front oxygen sensor mixture ratio is rich.
LED No. 10 Rear oxygen sensor mixture ratio is rich.
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

6. READ DATA FUNCTION KEY LIST FOR AT
Function mode Contents Abbr. Unit
F00 Mode display——
F01 Battery voltage VB V
F02 Vehicle speed sensor 1 VSP1 m/h
F03 Vehicle speed sensor 1 VSP1 km/h
F04 Vehicle speed sensor 2 VSP2 m/h
F05 Vehicle speed sensor 2 VSP2 km/h
F06 Engine speed EREV rpm
F07 ATF temperature sensor ATFT deg F
F08 ATF temperature sensor ATFT deg C
F09 Throttle position sensor THV V
F10 Gear position GEAR—
F11 Line pressure duty PLDTY %
F12 Lock-up duty LUDTY %
F13 AWD duty 4WDTY %
F14 Throttle position sensor power supply THVCC V
F15 Mass air flow sensor AFM V
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

G3M0725

FUNCTION MODE: F02
—VEHICLE SPEED SENSOR 1 (VSP1)—

F02: Vehicle speed is indicated in mile per hour (m/h).

F03: Vehicle speed is indicated in kilometer per hour
(km/h).
G3M0726

FUNCTION MODE: F04
—VEHICLE SPEED SENSOR 2 (VSP2)—

F04: Vehicle speed is indicated in mile per hour (m/h).

F05: Vehicle speed is indicated in kilometer per hour
(km/h).
G3M0727

FUNCTION MODE: F06
—ENGINE SPEED (EREV)—
B2M0620

FUNCTION MODE: F07
—ATF TEMPERATURE SENSOR (ATFT)—

F07: ATF temperature is indicated in“deg F”.

F08: ATF temperature is indicated in“deg C”.
G3M0935

FUNCTION MODE: F09
—THROTTLE POSITION SENSOR (THV)—
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2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System