Page 1773 of 2890
1Engine control module (ECM)
2Ignition coil
3Ignitor
4Crankshaft position sensor
5Camshaft position sensor
6Throttle position sensor
7Fuel injectors
8Pressure regulator
9Engine coolant temperature sensor
10Mass air flow sensor
11Idle air control solenoid valve
12Purge control solenoid valve
13Fuel pump
14PCV valve
15Air cleaner
16Canister
17Main relay
18Fuel pump relay
19Fuel filter
20Front catalytic converter
21Rear catalytic converter
22EGR valve (AT vehicles only)
23EGR control solenoid valve (AT vehicles only)
24Radiator fan
25Radiator fan relay
26Pressure sources switching solenoid valve
27Knock sensor
28Back-pressure transducer (AT vehicles only)
29Front oxygen sensor
30Rear oxygen sensor (Except 2200 cc California model)
31Pressure sensor
32A/C compressor
33Inhibitor switch
34CHECK ENGINE malfunction indicator lamp (MIL)
35Tachometer
36A/C relay
37A/C control module
38Ignition switch
39Transmission control module (TCM) (AT vehicles only)
40ABS/TCS control module (TCS equipped models)
41Vehicle speed sensor
42Data link connector (For Subaru select monitor)
43Data link connector (For Subaru select monitor and OBD-II
general scan tool)
44Two way valve
45Rear oxygen sensor (2200 cc California model only)
46Filter
5
2-7ON-BOARD DIAGNOSTICS II SYSTEM
1. General
Page 1775 of 2890
1Engine control module (ECM)
2Ignition coil
3Ignitor
4Crankshaft position sensor
5Camshaft position sensor
6Throttle position sensor
7Fuel injectors
8Pressure regulator
9Engine coolant temperature sensor
10Mass air flow sensor
11Idle air control solenoid valve
12Purge control solenoid valve
13Fuel pump
14PCV valve
15Air cleaner
16Canister
17Main relay
18Fuel pump relay
19Fuel filter
20Front catalytic converter
21Rear catalytic converter
22EGR valve (AT vehicles only)
23EGR control solenoid valve (AT vehicles only)
24Radiator fan
25Radiator fan relay
26Pressure sources switching solenoid valve
27Front oxygen sensor
28Rear oxygen sensor (Except 2200 cc California model)
29Pressure sensor
30A/C compressor (With A/C models)
31Inhibitor switch
32CHECK ENGINE malfunction indicator lamp (MIL)
33Tachometer
34A/C relay (With A/C models)
35A/C control module (With A/C models)
36Ignition switch
37Transmission control module (TCM)
38Vehicle speed sensor
39Data link connector (For Subaru select monitor)
40Data link connector (For Subaru select monitor and OBD-II
general scan tool)
41Rear oxygen sensor (2200 cc California model)
42Knock sensor
43Back-pressure transducer (AT vehicles only)
44Filter
45Fuel tank pressure sensor
46Pressure control solenoid valve
47Fuel temperature sensor
48Fuel level sensor
49Vent control solenoid valve
50Air filter
7
2-7ON-BOARD DIAGNOSTICS II SYSTEM
1. General
Page 1777 of 2890
1Engine control module (ECM)
2Ignition coil
3Ignitor
4Crankshaft position sensor
5Camshaft position sensor
6Throttle position sensor
7Fuel injectors
8Pressure regulator
9Engine coolant temperature sensor
10Mass air flow sensor
11Idle air control solenoid valve
12Purge control solenoid valve
13Fuel pump
14PCV valve
15Air cleaner
16Canister
17Main relay
18Fuel pump relay
19Fuel filter
20Front catalytic converter
21Rear catalytic converter
22EGR valve
23EGR control solenoid valve
24Radiator fan
25Radiator fan relay
26Pressure sources switching solenoid valve
27Knock sensor
28Back-pressure transducer
29Front oxygen sensor
30Rear oxygen sensor
31Pressure sensor
32A/C compressor
33Inhibitor switch
34CHECK ENGINE malfunction indicator lamp (MIL)
35Tachometer
36A/C relay
37A/C control module
38Ignition switch
39Transmission control module (TCM)
40Vehicle speed sensor
41Data link connector (Subaru select monitor)
42Data link connector (OBD-II general scan tool)
43Two way valve
44Filter
9
2-7ON-BOARD DIAGNOSTICS II SYSTEM
1. General
Page 1779 of 2890
1Engine control module (ECM)
2Ignition coil
3Ignitor
4Crankshaft position sensor
5Camshaft position sensor
6Throttle position sensor
7Fuel injectors
8Pressure regulator
9Engine coolant temperature sensor
10Mass air flow sensor
11Idle air control solenoid valve
12Purge control solenoid valve
13Fuel pump
14PCV valve
15Air cleaner
16Canister
17Main relay
18Fuel pump relay
19Fuel filter
20Front catalytic converter
21Rear catalytic converter
22EGR valve
23EGR control solenoid valve
24Radiator fan
25Radiator fan relay
26Pressure sources switching solenoid valve
27Knock sensor
28Back-pressure transducer
29Front oxygen sensor
30Rear oxygen sensor (Except California model)
31Pressure sensor
32A/C compressor
33Inhibitor switch
34CHECK ENGINE malfunction indicator lamp (MIL)
35Tachometer
36A/C relay
37A/C control module
38Ignition switch
39Transmission control module (TCM)
40Vehicle speed sensor 2
41Data link connector (For Subaru select monitor)
42Data link connector (For Subaru select monitor and OBD-II
general scan tool)
43Two way valve
44Rear oxygen sensor (California model only)
45Filter
11
2-7ON-BOARD DIAGNOSTICS II SYSTEM
1. General
Page 1791 of 2890
OBD0003B
1Inhibitor switch (AT vehicles only)
2Fuel pump
3Main relay
4Fuel pump relay
5Radiator main fan relay 1 (With A/C models only)
6Radiator main fan relay 2 (With A/C models only)
7Radiator sub fan relay 1 (With A/C models)
Main fan relay (Without A/C models)
8Radiator sub fan relay 2 (With A/C models only)
9Starter
OBD0047AB2M0216A
B2M0218BOBD0034A
23
2-7ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
Page 1795 of 2890
3. SOLENOID VALVE AND RELAY
For AT vehicles
OBD0046BOBD0047B
OBD0048AH2M1147A
1Dropping resistor
2Inhibitor switch
3Shift solenoid valve 1
4Shift solenoid valve 2
5Shift solenoid valve 3
6Duty solenoid valve A
7Duty solenoid valve B
For MT vehicles
OBD0051AOBD0526A
1Neutral position switch (FWD models)2Neutral position switch (AWD models)
27
2-7ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
Page 1806 of 2890
Function mode Contents Abbreviation Unit of measure
FB2Load data (Freeze frame data) LOAD F %
Engine coolant temperature signal (Freeze frame data) TW F °C
Throttle position signal (Freeze frame data) ALPH F %
Long term fuel trim (Freeze frame data) KBLR F %
Intake manifold absolute pressure signal (Freeze frame data) MANI F kPa
Engine speed signal (Freeze frame data) EREV F rpm
Vehicle speed signal (Freeze frame data) VSP F km/h
FB3Mass air flow signal (Freeze frame data) QA F (P0100) V
Pressure signal (Freeze frame data) PS F (P0105) V
Pressure signal (Freeze frame data) PR F (P0106) V
Engine coolant temperature signal (Freeze frame data) TW F (P0115) V
Throttle position signal (Freeze frame data) THV F (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:
1) Subaru select monitor is also available for monitoring
information other than that used for check and repair of the
vehicle.
2) 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.
3) *1: “Hi” or “Low” is shown instead of measured value.
4) 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.
38
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System
Page 1807 of 2890
B2M0476
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 for loose or disconnected connector, and
discontinued circuit, etc.
2. Error 2Check for poor contact of cartridge, or different type
cartridge.
B2M0270
8. FUNCTION MODE: F01
— BATTERY VOLTAGE (VB) —
CONDITION:
(1) Ignition switch“ON”
(2) Idling after warm-up
SPECIFIED DATA:
(1) 11±1 V
(2) 13±1 V
Probable cause (Item outside“specified data”)
1. Battery
Check battery voltage and electrolyte’s specific
gravity.
2. Charging systemCheck regulating voltage. (On no-load)
Check alternator.
3. Power supply lineCheck main relay.
Check harness connector of ECM power supply
line.
39
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System
