1997 SUBARU LEGACY Service Repair Manual

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Page 1889 of 3342

SUBARU LEGACY 1997 Service Repair Manual OBD0062
3) Ensure diagnostic trouble code(s) is shown.
(1) When there is only one diagnostic trouble code.
OBD0063
(2) When there are multiple diagnostic trouble codes.
NOTE:
For details concerning di

Page 1890 of 3342

SUBARU LEGACY 1997 Service Repair Manual G3M0152
2) Designate mode using function key.
Press [F] [B] [2] [ENT] in that order.
B2M0474
3) Ensure freeze frame data(s) is (are) shown.
(1) When no trouble is detected, or after memory is
cleared.

Page 1891 of 3342

SUBARU LEGACY 1997 Service Repair Manual H2M1149
5. READ FREEZE FRAME DATA SHOWN ON
DISPLAY. (MODE FB3)
NOTE:
For items and contents shown on display, refer to“6.
READ DATA FUNCTION KEY LIST FOR ENGINE”. <Ref.
to 2-7 [T3C6].>
Freeze fr

Page 1892 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M0649
(4) When multiple troubles corresponding to the dis-
played item are detected.
NOTE:
Freeze frame data is shown on display for 2 seconds at a
time.
41
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diag

Page 1893 of 3342

SUBARU LEGACY 1997 Service Repair Manual 6. READ DATA FUNCTION KEY LIST FOR ENGINE
Function mode Contents Abbreviation Unit of measure
F00 ROM ID number YEAR—
F01 Battery voltage VB V
F02 Vehicle speed signal VSP km/h, MPH
F03 Engine speed

6. READ DATA FUNCTION KEY LIST FOR ENGINE
Function mode Contents Abbreviation Unit of measure
F00 ROM ID number YEAR—
F01 Battery voltage VB V
F02 Vehicle speed signal VSP km/h, MPH
F03 Engine speed signal EREV rpm
F04 Engine coolant temperature signal TW°C,°F
F05 Ignition signal ADVS deg
F06 Mass air flow signal QA g/s, V
F07 Throttle position signal THV %, V
F08 Injector pulse width TIM mS
F09 Idle air control signal ISC %
F10 Load data LOAD %
F11 Front oxygen sensor output signal O2 V
F12 Front oxygen sensor maximum and minimum output signal O2max - min V, V
F13 Rear oxygen sensor output signal RO2 V
F14 Rear oxygen sensor maximum and minimum output signal RO2max - min V, V
F17 Short term fuel trim ALPHA %
F19 Knock sensor signal KNOCK deg
F20 Atmospheric absolute pressure signal BARO. P kPa, mmHg
F21 Intake manifold absolute pressure signal MANI. P kPa, mmHg
F29A/F correction coefficient [short term trim] by rear oxygen sen-
sorPHOS %
F30 Long term fuel trim [A/F learning correction coefficient] KBLRC %
F31 Long term fuel trim whole [A/F learning control coefficient] K0 %
F32 Front oxygen sensor heater current FO2H A
F33 Rear oxygen sensor heater current RO2H A
F35 Purge control solenoid valve duty ratio CPCD %
F36Maximum value of cylinder #1 misfire times during 100 rota-
tionsMF1 %
F37Maximum value of cylinder #2 misfire times during 100 rota-
tionsMF2 %
F38Maximum value of cylinder #3 misfire times during 100 rota-
tionsMF3 %
F39Maximum value of cylinder #4 misfire times during 100 rota-
tionsMF4 %
F42Maximum and minimum EGR system pressure value (AT
vehicles)EGRmax - min kPa
F43 Fuel tank pressure signal TNKP kPa, mmHg
F44 Fuel temperature signal TNKT°C,°F
F45 Fuel level signal FLEVEL V
FA 0 O N)OFF signal——
FA 1 O N)OFF signal——
FA 2 O N)OFF signal——
FA 3 O N)OFF signal——
FA 4 O N)OFF signal——
FA 5 O N)OFF signal——
FB0 Diagnostic trouble code (DTC) INSPECT—
FB1 Diagnostic trouble code (DTC) OBD—
42
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

Page 1894 of 3342

SUBARU LEGACY 1997 Service Repair Manual Function mode Contents Abbreviation Unit of measure
FB2Load data (Freeze frame data) LOAD�F %
Engine coolant temperature signal (Freeze frame data) TW�F °C
Short term fuel trim (Freeze frame data) AL

Function mode Contents Abbreviation Unit of measure
FB2Load data (Freeze frame data) LOADF %
Engine coolant temperature signal (Freeze frame data) TWF °C
Short term fuel trim (Freeze frame data) ALPHF %
Long term fuel trim (Freeze frame data) KBLRF %
Intake manifold absolute pressure signal (Freeze frame data) MANIF kPa
Engine speed signal (Freeze frame data) EREVF rpm
Vehicle speed signal (Freeze frame data) VSPF km/h
FB3Mass air flow signal (Freeze frame data) QAF (P0100) V
Pressure signal (Freeze frame data) PSF (P0105) V
Pressure signal (Freeze frame data) PRF (P0106) V
Engine coolant temperature signal (Freeze frame data) TWF (P0115) V
Throttle position signal (Freeze frame data) THVF (P0120) V
EGR control solenoid valve signal (Freeze frame data) EGR (P0403) —*1
Purge control solenoid valve signal (Freeze frame data) CPC (P0443) —*1
Start switch signal (Freeze frame data) STSW (P1100) —*1
Pressure sources switching solenoid valve signal (Freeze
frame data)BR1 (P1102) —*1
Radiator fan relay 1 signal (Freeze frame data) FAN1 (P1500) —*1
FC0 Clear memory — —
FD01 Compulsory fuel pump relay operation check FUEL PUMP —
FD02 Compulsory purge control solenoid valve operation check CPC SOL —
FD03 Compulsory radiator fan relay operation check RAD FAN —
FD04 Compulsory A/C relay operation check A/C RELAY —
FD05 Compulsory EGR control solenoid valve operation check EGR SOL —
FD07 Compulsory pressure control solenoid valve operation check PCV SOL —
FD08 Compulsory vent control solenoid valve operation check VENT SOL —
FD10Compulsory pressure sources switching solenoid valve opera-
tion checkBR SOL —
NOTE:
Subaru select monitor is also available for monitoring
information other than that used for check and repair of the
vehicle.
F42 (Maximum and minimum EGR system pressure
value) will not read accurately until the EGR flow diagno-
sis terminates.
EGR flow diagnosis terminates when LED No. 2 illuminates
at function mode FA4.
*1: “Hi” or “Low” is shown instead of measured value.
Because ASV solenoid valve, FICD solenoid valve and
air injection system diagnosis solenoid valve are not
installed, FD06, FD09 and FD11 will be displayed but non-
functional.
43
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System

Page 1895 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M1045
7. FUNCTION MODE: F00
— ROM ID NUMBER (YEAR) —
CONDITION:
Ignition switch“ON”
SPECIFIED DATA:
Presentation display
Probable cause (Item outside“specified data”)
1. Error 1
Check

Page 1896 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M0754
9. FUNCTION MODE: F02
—VEHICLE SPEED SIGNAL (VSP)—
Vehicle speed is indicated in kilometer per hour (km/h)
and mile per hour (MPH) at the same time.
B2M0478
10. FUNCTION MODE: F03
—ENGI

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