Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1997 1997 Service Manual DIAGNOSTICS SECTION ON-BOARD DIAGNOSTICS II SYSTEM MSA5TCD97L3904
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2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
2. Electrical Components Location
A: ENGINE
1. MODULE
OBD0003E
B2M0430H
k
1 Engine control module (ECM) k
4 Test mode connector
k
2 Data link connector (for Subaru select monitor only) k
5 CHECK ENGINE malfunction indicator lamp (MIL)
k
3 Data link connector (for Subaru select monitor and OBD-II
general scan tool)
12
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
OBD0004B B2M0431B
OBD0005G B2M0432C
OBD0006E B2M0433C
B2M0470A
13
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
2. SENSOR
B2M1169D
k
1 Pressure sensor k
5 Knock sensor
k
2 Mass air flow sensor k
6 Camshaft position sensor
k
3 Engine coolant temperature sensor k
7 Crankshaft position sensor
k
4 Throttle position sensor
14
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
B2M0776A B2M1034A
B2M1690A B2M1035A
B2M1691A OBD0015A
B2M0213B
15
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
B2M0471A
B2M0472A
k
8 Front oxygen sensor k
10 Rear oxygen sensor (2200 cc California spec. vehicles)
k
9 Rear oxygen sensor (Except 2200 cc California spec. k
11 Front catalytic converter
vehicles) k
12 Rear catalytic converter
OBD0018A OBD0019E
16
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
B2M0473C OBD0524C
OBD0525C
17
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
OBD0003F
B2M0430F
k
1 Fuel level sensor k
3 Fuel tank pressure sensor (2200 cc AWD except Taiwan
k
2 Fuel temperature sensor (2200 cc AWD except Taiwan spec. spec. vehicles)
vehicles) k
4 Fuel sub level sensor
18
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
B2M0921A B2M0922A
B2M0946A
19
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
3. SOLENOID VALVE, EMISSION CONTROL SYSTEM
PARTS AND IGNITION SYSTEM PARTS
B2M1169E
k
1 Pressure sources switching solenoid valve k
5 Purge control solenoid valve
k
2 Idle air control solenoid valve k
6 Ignitor
k
3 EGR valve (Except 2200 cc MT vehicles) k
7 Ignition coil
k
4 EGR control solenoid valve (Except 2200 cc MT vehicles)
B2M0777A B2M1036A
20
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
B2M1037A B2M0670B
B2M1038A OBD0024B
B2M1039A B2M1040A
B2M1041A B6M0160C
21
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
OBD0003G
B2M0430G
k
8 Pressure control solenoid valve (2200 cc AWD except k
9 Vent control solenoid valve (2200 cc except AWD Taiwan
Taiwan spec. vehicles) spec. vehicles)
k
10 Canister (2200 cc AWD except Taiwan spec. vehicles)
22
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
B2M0923A B2M0924A
23
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
OBD0003H
B2M1042A
k
1 Inhibitor switch (AT vehicles only) k
6 Radiator main fan relay 2 (With A/C models only)
k
2 Fuel pump k
7 Radiator sub fan relay 1 (With A/C models)
k
3 Main relay Main fan relay (Without A/C models)
k
4 Fuel pump relay k
8 Radiator sub fan relay 2 (With A/C models only)
k
5 Radiator main fan relay 1 (With A/C models only) k
9 Starter
24
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
OBD0047C B2M1043E
B2M0216A B2M0218C
B2M0434B OBD0034A
OBD0036A OBD0038A
25
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
B: TRANSMISSION
1. MODULE
OBD0039B
B2M1033A
k
1 Transmission Control Module (TCM) [AT vehicles] k
2 AT diagnostic indicator light [AT vehicles]
26
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
B3M0443F
B3M0445D
B2M0470B
27
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
2. SENSOR
OBD0041A OBD0042A
OBD0043A OBD0044A
H2M1145B OBD0653A
k
1 Vehicle speed sensor 1 [AT FWD vehicles] k
4 Vehicle speed sensor 2 [AT vehicles]
k
2 Vehicle speed sensor 1 [AT AWD vehicles] k
5 ATF temperature sensor [AT vehicles]
k
3 Vehicle speed sensor 2 [MT vehicles] k
6 Brake light switch
28
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
2. Electrical Components Location
3. SOLENOID VALVE AND RELAY
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