1999 SUBARU LEGACY engine oil
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B: BULB REPLACEMENT
B6M0761C
(1) Tachometer and temperature
gauge illumination
(2) Oil pressure
(3) CHECK ENGINE (Malfunction
Indicator Light)
(4) Tachometer illumination
(5) Turn signal (RH)
(6) Headlight beam(7) Door open (Front-Right)
(8) Seat belt
(9) Door open (Front-Left)
(10) Door open (Rear-Right)
(11) Door open (Rear-Left)
(12) Rear gate open (Wagon)
(13) Turn signal (LH)
(14) Speedometer illumination(15) Speedometer and fuel gauge
illumination
(16) Low fuel
(17) Charge
(18) Brake fluid level/parking brake
(19) FWD
(20) AT oil temperature
(21) ABS
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6-2[W14B0]SERVICE PROCEDURE
14. Combination Meter
Page 1296 of 1456
No. Load
MB-1Fuse holder (Rear power supply & seat
heater)
MB-2 Power window circuit breaker
MB-3Data link connector
Engine control module
Fuel pump relay
Main relay
MB-4 A/C relay holder
MB-6 Headlight LH
MB-7Daytime running light control module
Diode (Lighting)
Diode (Security)
Lighting switch
MB-8Combination meter
Front fog light switch
Headlight RH
Front fog light relay
MB-9Door lock timer
Headlight alarm relay
Radio
Security control module
Security indicator light
Spot light
Room light
Step light
Combination meter
Luggage room light
Trailer connector
Trunk room light
MB-10 A/C relay holder
SBF-6ABS relay box
TCS motor relay
SBF-7 TCS valve relay
ALT-1Combination meter
Daytime running light control module
Diode (TCS)
IG Headlight alarm relay
STCruise control module
Engine control module
Inhibitor switch (AT)
Interrupt relay (with security)
Starter interlock relay (MT)
FB-1Front washer motor
Rear washer motor
FB-2Engine control module
Main fan relay 1
FB-3Sub fan relay 2
Sub fan motor
FB-4Engine control module
Fuel pump relay
Ignition coil
Transmission control module
FB-5 ABS relay box
FB-6Side marker light LH
Side marker light RH
FB-7Door lock timer
Keyless entry control moduleNo. Load
FB-8 Wiper deicer relay
FB-9 Hazard switch
FB-10AT shift lock control module
Key warning switch
Power antenna
FB-11 Radio
FB-12 Front accessory power supply
FB-13Mirror heater
Rear power supply relay
Remote control rearview mirror switch
Security control module
Vanity mirror illumination light
FB-14AT shift lock control module
Combination switch
Front wiper motor
Rear wiper motor
Rear wiper relay
FB-15ABS/TCS control module
Transmission control module
FB-16Rear defogger
Rear defogger condenser
Rear defogger switch
FB-17 Rear defogger timer
FB-18AT shift lock control module
Back-up light switch (MT)
Inhibitor switch (AT)
FB-19 Hazard switch
FB-20A/C switch
Combination meter
Mode control panel
Rear defogger timer
TCS off switch
FB-22Blower motor relay
Check connector
Daytime running light control module
Daytime running light relay
FRESH/RECIRC actuator
Hi-beam relay
Keyless entry control module
Power window and sunroof relay
Seat belt timer
Security control module
Vehicle speed sensor (MT)
Wiper deicer relay
Wiper deicer timer
FB-23 Airbag control module
FB-24 Airbag control module
FB-25 Lighting switch
FB-26Keyless entry control module
Parking switch
FB-27Keyless entry control module
Parking switch
Security control module
FB-28 Illumination light
FB-29 Illumination light
16
6-3[D6A1]WIRING DIAGRAM
6. Wiring Diagram
Page 1300 of 1456
No. Load
MB-2 Power window circuit breaker
MB-3Engine control module
Fuel pump relay
Main relay
OBD-II service connector
MB-4 A/C relay holder
MB-6 Headlight LH
MB-7Diode (Lighting)
Lighting switch
MB-8Combination meter
Headlight RH
MB-9Combination meter
Door lock timer
Luggage room light
Radio
Room light
MB-10 A/C relay holder
ALT-1 Combination meter
IG A/C relay holder
STCruise control module
Engine control module
Inhibitor switch
FB-2Engine control module
Main fan relay 1
FB-3Sub fan motor
Sub fan relay-2
FB-4Engine control module
Fuel pump relay
Ignition coil
Transmission control module
FB-6Side marker light LH
Side marker light RH
FB-7 Door lock timer
FB-9 Hazard switch
FB-10AT shift lock control module
Key warning switch
Power antenna
FB-11 Radio
FB-12 Cigarette lighter
FB-13 Remote control rearview mirror switch
FB-14AT shift lock control module
Combination switch
Front washer motor
Front wiper motor
Rear washer motor
Rear wiper motor
Rear wiper relay
FB-15 Transmission control module
FB-16Rear defogger
Rear defogger condenser
Rear defogger switch
FB-17 Rear defogger timer
FB-18AT shift lock control module
Inhibitor switch
FB-19 Hazard switchNo. Load
FB-20Combination meter
Mode control panel
Rear defogger timer
FB-22Blower motor relay
Check connector
FRESH/RECIRC actuator
Mode actuator
Power window relay
Seat belt timer
FB-23 Airbag control module
FB-24 Airbag control module
FB-25 Lighting switch
FB-26 Parking switch
FB-27 Parking switch
FB-28 Illumination light
FB-29 Illumination light
FB-30Stop light switch
Stop & brake switch
FB-31 Horn relay
FB-32 Blower motor relay
FB-33 Parking switch
FB-34License plate light LH
License plate light RH
Rear combination light LH
Rear combination light RH
Rear finisher light LH
Rear finisher light RH
FB-35Cruise control main switch
Cruise control module
FB-38 Main fan relay 1
20
6-3[D6A2]WIRING DIAGRAM
6. Wiring Diagram
Page 1413 of 1456
![SUBARU LEGACY 1999 Service Repair Manual 7. Electrical Unit Location
A: LIST
Electrical unit Index No.
ABS control module <Ref. to 4-4 [T300].>
ABS G sensor (MT) <Ref. to 4-4 [T300].>
A/C compressor relay <Ref. to 6-3 [D7B1].>
A/C fuse <Ref.](/manual-img/17/57435/w960_57435-1412.png "SUBARU LEGACY 1999 Service Repair Manual 7. Electrical Unit Location
A: LIST
Electrical unit Index No.
ABS control module <Ref. to 4-4 [T300].>
ABS G sensor (MT) <Ref. to 4-4 [T300].>
A/C compressor relay <Ref. to 6-3 [D7B1].>
A/C fuse <Ref.")
7. Electrical Unit Location
A: LIST
Electrical unit Index No.
ABS control module
ABS G sensor (MT)
A/C compressor relay
A/C fuse
A/C main fan relay 1
A/C main fan relay 2
A/C pressure switch
A/C sub fan relay 2
ATF temperature sensor
Blower motor resistor
Blower relay
Camshaft position sensor
Check connector
Clutch switch (MT)
Crankshaft position sensor
Cruise control module
Cruise control pump
Data link connector (for
OBD-II G.S.T.)
Data link connector (for
S.S.M.)
Diagnosis connector
Diagnosis terminal (Ground)
Door lock timer
Engine control module
Engine coolant temperature
sensor
Engine hood switch (Secu-
rity)
Evaporator thermoswitch
F/B
FRESH/RECIRC actuator
Fuel pump relay
Fuel gauge module
Fuel gauge sub module
(AWD)
FWD switch (AT)
Headlight alarm relay
(Security)
Headlight relay LH
Electrical unit Index No.
Headlight relay RH
Horn relay
Hydraulic unit (ABS)
Ignition coil
Ignitor
Idle air control solenoid
valve
Illumination control module
Inhibitor switch
Knock sensor
Main fan relay
Main relay
Mass air flow sensor
Mode actuator
M/B
Oil pressure switch
Oxygen sensor
Pedal stroke sensor (TCS)
Power window and sunroof
relay
Power window circuit
breaker
Purge control solenoid valve
Rear defogger relay
Seat belt timer
Security control module
Shift lock control module
Starter interrupt relay (Secu-
rity)
Stop & brake switch (With
cruise control)
Sunroof control module
Tail and illumination relay
TCS control module
TCS motor relay
TCS valve relay
Throttle position sensor
Test mode connector
Transmission control mod-
ule
Turn & hazard module
Vehicle speed sensor 1
Vehicle speed sensor 2
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[D7A0]6-3WIRING DIAGRAM
7. Electrical Unit Location
Page 1414 of 1456
![SUBARU LEGACY 1999 Service Repair Manual B: LOCATION
1. ENGINE ROOM
B2M0018F
(1) FWD switch (AT) <Ref. to 6-3
[D7B4].>
(2) A/C pressure switch <Ref. to 6-3
[D7B4].>
(3) Oil pressure switch <Ref. to 6-3
[D7B4].>
(4) M/B <Ref. to 6-3 [D7B4].>(](/manual-img/17/57435/w960_57435-1413.png "SUBARU LEGACY 1999 Service Repair Manual B: LOCATION
1. ENGINE ROOM
B2M0018F
(1) FWD switch (AT) <Ref. to 6-3
[D7B4].>
(2) A/C pressure switch <Ref. to 6-3
[D7B4].>
(3) Oil pressure switch <Ref. to 6-3
[D7B4].>
(4) M/B <Ref. to 6-3 [D7B4].>(")
B: LOCATION
1. ENGINE ROOM
B2M0018F
(1) FWD switch (AT)
(2) A/C pressure switch
(3) Oil pressure switch
(4) M/B
(6) Headlight relay RH
(7) A/C compressor relay
(9) A/C sub fan relay 2
(10) A/C main fan relay 1
(11) A/C fuse
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6-3[D7B1]WIRING DIAGRAM
7. Electrical Unit Location
Page 1434 of 1456
E: ENGINE WIRING HARNESS AND TRANSMISSION CORD
1. 2200 cc ENGINE MODEL
Connector Connecting to
No. Pole Color Area No. Name
E1 10 * A-3/B-2 B20
Bulkhead wiring harness E2 20 * A-3/B-2 B21
E3 16 * A-3/B-2 B22
E4 2 Blue A-3/B-1 Purge control solenoid valve
E5 2 Gray A-3/B-1 Injector #1
E6 2 Gray A-3/B-1 Injector #3
E73 Gray A-4 Idle air control solenoid valve (California model)
6 * B-2 Idle air control solenoid valve (Except California model)
E8 2 Brown A-3/B-1 Engine coolant temperature sensor
E9 1 * A-3/B-1 Thermometer
E10 2 Gray B-1/B-3 Crankshaft position sensor
E11 1 * B-1/B-3 Oil pressure switch
E12 4 Gray A-3/B-1 Ignition coil
E133 Black A-3 Throttle position sensor (California model)
4 Brown B-2 Throttle position sensor (Except California model)
E14 2 Gray A-4/B-2 Knock sensor
E15 2 Dark gray B-4/C-2 Camshaft position sensor
E16 2 Gray B-2/B-4 Injector #2
E17 2 Gray B-2/B-4 Injector #4
E20 2 Black A-4 Intake air temperature sensor
E21 3 * A-1 Pressure sensor
E243 * A-1 Front oxygen sensor (Except California model)
4 * A-3 Front oxygen (A/F) sensor (California model)
E25 4 * A-1/A-3 Rear oxygen sensor
E26 5 Gray B-1 Mass air flow sensor
E27 2 * A-1 Pressure sources switching solenoid
E28 3 * A-4 Intake manifold pressure sensor
*: Non-colored
Connector Connecting to
No. Pole Color Area No. Name
T1 2 Gray D-1 B24
Bulkhead wiring harness (MT)
T2 2 Brown D-1 B25
T3 12 Gray D-3 B12
Bulkhead wiring harness (AT)
T4 16 Gray D-3 B11
T5 4 Gray C-1/D-3 B19 Bulkhead wiring harness
T6 4 Gray D-2/D-4 Rear oxygen sensor
T7 12 * D-4 Inhibitor switch (AT)
*: Non-colored
154
6-3[D8E1]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point
Page 1436 of 1456
2. 2500 cc ENGINE MODEL
Connector Connecting to
No. Pole Color Area No. Name
E1 6 * A-3 B20
Bulkhead wiring harness E2 12 Gray A-3 B21
E3 16 Gray A-3 B22
E4 2 Blue A-2 Purge control solenoid valve
E5 2 Light gray A-2 Injector #1
E6 2 Dark gray A-3 Injector #3
E7 3 Gray A-3 Idle air control solenoid valve
E8 2 Brown B-3 Engine coolant temperature sensor
E9 1 * B-3 Thermometer
E10 2 Gray B-3 Crankshaft position sensor
E11 1 * B-3 Oil pressure switch
E12 3 Gray A-3 Ignition coil
E13 3 Brown A-3 Throttle position sensor
E14 2 Gray B-3 Knock sensor
E15 2 Dark gray B-4 Camshaft position sensor
E16 2 Light gray B-4 Injector #2
E17 2 Dark gray B-4 Injector #4
E18 2 Brown B-3 EGR solenoid (AT)
*: Non-colored
Connector Connecting to
No. Pole Color Area No. Name
T1 2 Gray C-1 B24
Bulkhead wiring harness (MT)
T2 2 Brown C-1 B25
T3 12 Gray D-3 B12
Bulkhead wiring harness (AT)
T4 16 Gray D-3 B11
T5 4 Gray C-1/C-3 B19 Bulkhead wiring harness
T6 4 Gray D-2/D-4 Rear oxygen sensor
T7 12 * C-4 Inhibitor switch (AT)
*: Non-colored
156
6-3[D8E2]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point
Page 1450 of 1456
I: REAR END WIRING HARNESS (SEDAN)
Connector Connecting to
No. Pole Color Area No. Name
R17 1 Black A-3 Rear defogger (Power)
R18 2 Black B-3 Rear speaker RH
R19 2 * B-3 High-mounted stop light
R20 2 Blue B-2 Trunk room light
R21 2 Black B-2 Rear speaker LH
R22 1 Brown B-1 Rear door switch LH
R23 3 * B-2 Power antenna
R246 * B-3 R60 Trunk lid cord (Without security system)
8 * B-3 R60 Trunk lid cord (With security system)
R25 2 Black B-4 Rear defogger condenser
R26 4 * B-4 Rear combination light RH
R27 2 * B-4 Trunk room light switch
R28 4 * B-3 Rear combination light LH
R45 6 * B-4 Trailer connector
R47 3 * B-3Fuel tank pressure sensor
(2200 cc engine FWD and 2500 cc engine model)
R606 * B-4 R24 Rear wiring harness (Without security system)
8 * B-4 R24 Rear wiring harness (With security system)
R61 3 * B-4 Key switch (Security)
R62 4 * B-4 Rear finisher light RH
R63 2 * B-3 License plate light
R64 4 * B-3 Rear finisher light LH
R65 1 Black A-2 Rear defogger (Ground)
R66 2 Black B-4 High-mounted stop light (Rear spoiler)
*: Non-colored
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6-3[D8I0]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point