Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1998 1998 Service Manual DIAGNOSTICS SECTION ON-BOARD DIAGNOSTICS II SYSTEM MSA5TCD98L21313
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ON-BORAD DIAGNOSTICS II SYSTEM [T2A1] 2-7
2. Electrical Components Location
2. Electrical Components Location
A: ENGINE (2200 cc FWD MODEL AND TAIWAN SPEC. VEHICLES)
1. MODULE
OBD0003M
(1) Engine control module (ECM) (3) Data link connector (for Subaru (4) Test mode connector
(2) Data link connector (for Subaru select monitor and OBD-II gen- (5) CHECK ENGINE malfunction
select monitor only) eral scan tool) indicator lamp (MIL)
OBD0004E OBD0005J
B2M0470D
OBD0006I
3
2-7 [T2A2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
2. SENSOR
B2M1885A
(1) Pressure sensor (4) Throttle position sensor
(2) Mass air flow sensor (5) Knock sensor
(3) Engine coolant temperature sen- (6) Camshaft position sensor
sor (7) Crankshaft position sensor
4
ON-BORAD DIAGNOSTICS II SYSTEM [T2A2] 2-7
2. Electrical Components Location
B2M0776B
B2M1034C
B2M1690B B2M1035C
B2M1691B OBD0015D
B2M0213J
5
2-7 [T2A2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
H2M1324B
(1) Front oxygen sensor (3) Front catalytic converter
(2) Rear oxygen sensor (4) Rear catalytic converter
S2M0264A OBD0019I
OBD0524G OBD0525G
6
ON-BORAD DIAGNOSTICS II SYSTEM [T2A2] 2-7
2. Electrical Components Location
MEMO:
7
2-7 [T2A3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
3. SOLENOID VALVE, EMISSION CONTROL SYSTEM PARTS AND IGNITION SYSTEM
PARTS
B2M1885B
(1) Pressure sources switching sole- (4) EGR control solenoid valve
noid valve (Except 2200 cc MT vehicles)
(2) Idle air control solenoid valve (5) Purge control solenoid valve
(3) EGR valve (Except 2200 cc MT (6) Ignitor
vehicles) (7) Ignition coil
8
ON-BORAD DIAGNOSTICS II SYSTEM [T2A3] 2-7
2. Electrical Components Location
B2M0777B
B2M1036C
B2M1037E B2M1038E
B2M1039I B2M1040E
B2M1041E
9
2-7 [T2A3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
OBD0003N
(1) Inhibitor switch (AT vehicles (6) Radiator main fan relay 2 (With (8) Radiator sub fan relay 2 (With
only) A/C models only) A/C models only)
(2) Fuel pump (7) Radiator sub fan relay 1 (With (9) Starter
(3) Main relay A/C models)
(4) Fuel pump relay Main fan relay (Without A/C
(5) Radiator main fan relay 1 (With models)
A/C models only)
B2M1043K B2M0216B
B2M0218G OBD0034D
10
ON-BORAD DIAGNOSTICS II SYSTEM [T2A3] 2-7
2. Electrical Components Location
OBD0036B OBD0038D
11
2-7 [T2B1] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
B: ENGINE (2200 cc AWD EXCEPT TAIWAN SPEC. VEHICLES)
1. MODULE
B2M1730A
B2M1733A
(1) Engine control module (ECM) (3) Data link connector (for Subaru (4) Test mode connector
(2) Data link connector (for Subaru select monitor and OBD-II gen- (5) CHECK ENGINE malfunction
select monitor only) eral scan tool) indicator lamp (MIL)
12
ON-BORAD DIAGNOSTICS II SYSTEM [T2B1] 2-7
2. Electrical Components Location
B2M0431C
OBD0004D
B2M0432E
OBD0005I
B2M0433E
OBD0006G
B2M0470D
13
2-7 [T2B2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
2. SENSOR
B2M1885A
(1) Pressure sensor (4) Throttle position sensor
(2) Mass air flow sensor (5) Knock sensor
(3) Engine coolant temperature sen- (6) Camshaft position sensor
sor (7) Crankshaft position sensor
14
ON-BORAD DIAGNOSTICS II SYSTEM [T2B2] 2-7
2. Electrical Components Location
B2M0776B
B2M1034C
B2M1690B B2M1035C
B2M1691B OBD0015D
B2M0213J
15
2-7 [T2B2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
B2M0471E
(1) Front oxygen sensor (3) Rear oxygen sensor (2200 cc
(2) Rear oxygen sensor (Except California spec. vehicles)
2200 cc California spec. (4) Front catalytic converter
vehicles) (5) Rear catalytic converter
S2M0264A OBD0019J
B2M0473F OBD0524H
16
ON-BORAD DIAGNOSTICS II SYSTEM [T2B2] 2-7
2. Electrical Components Location
OBD0525H
17
2-7 [T2B2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
B2M1730B
B2M1733B
(1) Fuel level sensor (3) Fuel tank pressure sensor
(2) Fuel temperature sensor (4) Fuel sub level sensor
18
ON-BORAD DIAGNOSTICS II SYSTEM [T2B2] 2-7
2. Electrical Components Location
B2M0921B B2M1807A
B2M0946B
19
2-7 [T2B3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
3. SOLENOID VALVE, EMISSION CONTROL SYSTEM PARTS AND IGNITION SYSTEM
PARTS
B2M1885B
(1) Pressure sources switching sole- (4) EGR control solenoid valve
noid valve (Except 2200 cc MT vehicles)
(2) Idle air control solenoid valve (5) Purge control solenoid valve
(3) EGR valve (Except 2200 cc MT (6) Ignitor
vehicles) (7) Ignition coil
20
ON-BORAD DIAGNOSTICS II SYSTEM [T2B3] 2-7
2. Electrical Components Location
B2M0777B
B2M1036C
B2M1037E B2M1038E
B2M1039I B2M1040E
B2M1041E
21
2-7 [T2B3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
B2M1730C
B2M1733C
(1) Pressure control solenoid valve (3) Drain valve
(2) Canister (4) Air filter
22
ON-BORAD DIAGNOSTICS II SYSTEM [T2B3] 2-7
2. Electrical Components Location
B2M1808A B2M1809A
B2M1810A B2M1811A
23
2-7 [T2B3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
B2M1730D
B2M1733D
(1) Inhibitor switch (AT vehicles (6) Radiator main fan relay 2 (With (8) Radiator sub fan relay 2 (With
only) A/C models only) A/C models only)
(2) Fuel pump (7) Radiator sub fan relay 1 (With (9) Starter
(3) Main relay A/C models)
(4) Fuel pump relay Main fan relay (Without A/C
(5) Radiator main fan relay 1 (With models)
A/C models only)
24
ON-BORAD DIAGNOSTICS II SYSTEM [T2B3] 2-7
2. Electrical Components Location
B2M1043K B2M0216B
B2M0218F B2M0434D
OBD0034D OBD0036B
OBD0038D
25
2-7 [T2C1] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
C: ENGINE (2500 cc MODEL)
1. MODULE
OBD0003M
(1) Engine control module (ECM) (3) Data link connector (for Subaru (4) Test mode connector
(2) Data link connector (for Subaru select monitor and OBD-II gen- (5) CHECK ENGINE malfunction
select monitor only) eral scan tool) indicator lamp (MIL)
OBD0004E OBD0005J
B2M0470D
OBD0006I
26
ON-BORAD DIAGNOSTICS II SYSTEM [T2C1] 2-7
2. Electrical Components Location
MEMO:
27
2-7 [T2C2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
2. SENSOR
B2M1885A
(1) Pressure sensor (4) Throttle position sensor
(2) Mass air flow sensor (5) Knock sensor
(3) Engine coolant temperature sen- (6) Camshaft position sensor
sor (7) Crankshaft position sensor
28
ON-BORAD DIAGNOSTICS II SYSTEM [T2C2] 2-7
2. Electrical Components Location
B2M0776B
B2M1034C
B2M1690B B2M1035C
B2M1691B S2M0263A
B2M0213J
29
2-7 [T2C2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
S2M0216A
(1) Front oxygen sensor (3) Rear oxygen sensor (California (5) Front catalytic converter
(2) Rear oxygen sensor (California spec. vehicles only)
spec. vehicles) (4) Rear catalytic converter
S2M0264A S2M0265A
OBD0019H S2M0266A
30
ON-BORAD DIAGNOSTICS II SYSTEM [T2C2] 2-7
2. Electrical Components Location
S2M0267A
31
2-7 [T2C2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
OBD0003O
(1) Fuel level sensor (3) Fuel tank pressure sensor (2200
(2) Fuel temperature sensor (2200 cc AWD models only)
cc AWD models only) (4) Fuel sub level sensor
B2M0921B B2M0922B
B2M0946B
32
ON-BORAD DIAGNOSTICS II SYSTEM [T2C2] 2-7
2. Electrical Components Location
MEMO:
33
2-7 [T2C3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
3. SOLENOID VALVE, EMISSION CONTROL SYSTEM PARTS AND IGNITION SYSTEM
PARTS
B2M1885C
(1) Pressure sources switching sole- (3) EGR valve (6) Ignitor
noid valve (4) EGR control solenoid valve (7) Ignition coil
(2) Idle air control solenoid valve (5) Purge control solenoid valve
34
ON-BORAD DIAGNOSTICS II SYSTEM [T2C3] 2-7
2. Electrical Components Location
B2M0777B
B2M1036C
B2M0670E OBD0024F
B2M1039I B2M1040E
B2M1041E
35
2-7 [T2C3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
OBD0003P
(1) Pressure control solenoid valve (2) Vent control solenoid valve (3) Canister
B2M0923D B2M0924C
36
ON-BORAD DIAGNOSTICS II SYSTEM [T2C3] 2-7
2. Electrical Components Location
MEMO:
37
2-7 [T2C3] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
OBD0003Q
(1) Inhibitor switch (AT vehicles (6) Radiator main fan relay 2 (With (8) Radiator sub fan relay 2 (With
only) A/C models only) A/C models only)
(2) Fuel pump (7) Radiator sub fan relay 1 (With (9) Starter
(3) Main relay A/C models)
(4) Fuel pump relay Main fan relay (Without A/C
(5) Radiator main fan relay 1 (With models)
A/C models only)
B2M1043K B2M0216B
B2M0218G OBD0034D
38
ON-BORAD DIAGNOSTICS II SYSTEM [T2C3] 2-7
2. Electrical Components Location
OBD0036B OBD0038D
39
2-7 [T2D1] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
D: TRANSMISSION
1. MODULE
OBD0039C
B2M1033B
(1) Transmission Control Module (2) AT diagnostic indicator light (for
(TCM) (for AT vehicles) AT vehicles)
40
ON-BORAD DIAGNOSTICS II SYSTEM [T2D1] 2-7
2. Electrical Components Location
B3M0443M
B3M0445G
B2M0470E
41
2-7 [T2D2] ON-BORAD DIAGNOSTICS II SYSTEM
2. Electrical Components Location
2. SENSOR
OBD0041B OBD0042D
OBD0043B OBD0044D
H2M1145H
OBD0653B
(1) Vehicle speed sensor 1 (for AT FWD vehicles only)
(2) Vehicle speed sensor 1 (for AT AWD vehicles only)
(3) Vehicle speed sensor 2 (for MT vehicles only)
(4) Vehicle speed sensor 2 (for AT vehicles only)
(5) ATF temperature sensor (for AT vehicles only)
(6) Brake light switch
42
ON-BORAD DIAGNOSTICS II SYSTEM [T2D3] 2-7
2. Electrical Components Location
3. SOLENOID VALVE AND RELAY
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