1999 SUBARU LEGACY sensor

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
133
[D7A0]6-3WIRING DIAGRAM
7. Electrical Unit Location

8. Electrical Wiring Harness and Ground Point
A: OVERALL LOCATION
1. LHD MODEL
B6M0267B
(1) Front wiring harness
(2) Engine wiring harness
(3) Room light cord
(4) Bulkhead wiring harness
(5) Instrument panel wiring harness
(6) Front door cord RH
(7) Rear door cord RH(8) Rear wiring harness
(9) Trunk lid cord (Sedan)
(10) Rear defogger ground cord
(Sedan)
(11) Fuel tank cord
(12) Rear door cord LH
(13) Front door cord LH(14) Sunroof cord
(15) Floor wiring harness
(16) Transmission cord
(17) Rear gate cord (Wagon)
(18) Rear oxygen sensor cord
140
6-3[D8A1]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

2. RHD MODEL
B6M0510B
(1) Front wiring harness
(2) Engine wiring harness
(3) Room light cord
(4) Bulkhead wiring harness
(5) Instrument panel wiring harness(6) Front door cord RH
(7) Rear door cord RH
(8) Rear wiring harness
(9) Fuel tank cord
(10) Rear door cord LH(11) Front door cord LH
(12) Transmission cord
(13) Rear gate cord
(14) Rear oxygen sensor cord
141
[D8A2]6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

C: BULKHEAD WIRING HARNESS (IN ENGINE ROOM)
1. LHD MODEL
Connector Connecting to
No. Pole Color Area No. Name
B1 2 * B-2 Pressure source switching solenoid (2500 cc engine model)
B2 3 Black B-2 Boost sensor (2500 cc engine model)
B3 5 Gray B-2 Mass air flow sensor (2500 cc engine model)
B4 4 Gray B-2 AT dropping resistor
B5 2 Gray B-2 Resistor (Daytime running light)
B62 Gray B-2 ABS front sensor RH
2 Brown B-2 ABS front sensor RH (Outback with step roof)
B7 4 * B-2 Cruise control pump
B8 6 * A-2 Front wiper motor
B9 2 Black A-2 FWD switch (AT)
B10 2 Brown B-2 A/C pressure switch
B11 20 * B-3 T4
Transmission (AT)
B12 12 Gray B-2 T3
B13 6 Gray B-3 Ignitor (2500 cc engine model)
B14 1 Black B-3 Starter (Magnet)
B152 Gray B-3 ABS front sensor LH
2 Brown B-3 ABS front sensor LH (Outback with step roof)
B16 2 Gray B-3 Brake fluid level switch
B17 3 * B-2 Vehicle speed sensor (MT)
B18 3 Dark gray B-2 Front oxygen sensor (2500 cc engine model)
B194 * B-2 T5Rear oxygen sensor cord (2500 cc engine except California
model)
4 * B-2 Rear oxygen sensor (2500 cc engine California model)
B206 Light gray B-2 E1 Engine wiring harness (2500 cc engine model)
10 * B-2 E1 Engine wiring harness (2200 cc engine model)
B2112 Light gray B-2 E2 Engine wiring harness (2500 cc engine model)
20 * B-2 E2 Engine wiring harness (2200 cc engine model)
B22 16 Light gray B-2 E3
B24 2 Gray B-2 T1 Back-up light switch (MT)
B25 2 Brown B-2 T2 Neutral position switch (MT)
B177 3 Gray A-3 Wiper deicer
*: Non-colored
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6-3[D8C1]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

2. RHD MODEL
Connector Connecting to
No. Pole Color Area No. Name
B4 4 Gray B-2 AT dropping resistor
B7 4 Gray B-3 Cruise control pump
B8 6 * B-3 Front wiper motor
B9 2 Black A-2 FWD switch
B11 20 * B-3 T4
Transmission
B12 12 Gray B-2 T3
B14 1 Black B-3 Starter (Magnet)
B16 2 Gray B-2 Brake fluid level switch
B17 2 Black B-3 Vehicle speed sensor (MT)
B20 10 * B-2 E1
Engine wiring harness B21 20 * B-2 E2
B22 16 * B-2 E3
B26 2 Black B-3
M/B B27 3 * B-3
B28 1 Brown B-3
B29 2 * B-2 Rear washer motor
B110 2 Green B-3 Front washer motor
*: Non-colored
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6-3[D8C2]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

D: BULKHEAD WIRING HARNESS (IN COMPARTMENT)
1. LHD MODEL
Connector Connecting to
No. Pole Color Area No. Name
B30 24 * C-1 D1 Front door cord LH
B31 7 Yellow C-1 AB1 SRS (Airbag) harness
B32 3 Black C-1 Turn & hazard module
B33 4 Brown B-1 Diode (Brake fluid level)
B352 Black B-1Diode (Without step
light)
4 Brown B-1 Diode (With step light)
B36 22 Black C-1 i1
Instrument panel wiring
harness B37 22 * C-1 i2
B38 22 Brown C-1 i3
B39 20 Blue C-1 i4
B40 16 Gray C-2 Data link connector
B41 2 * C-2Power window circuit
breaker
B42 4 * C-2Power window and sun-
roof relay
B43 6 Black C-2Illumination control mod-
ule
B44 8 * C-2 Seat belt timer
B45 4 * B-1 R53 Sunroof cord
B46 4 Green B-1 Fuel pump relay
B47 6 Brown B-1 Main relay
B48 4 Blue B-1 Front fog light relay
B49 3 Black B-1 Horn relay
B50 4 * B-1 Blower relay
B51 11 Gray B-1
F/B
B52 12 Gray B-1
B53 6 Gray B-2Shield joint connector
(AT)
B54 24 * B-2
Transmission control
module
B55 24 Gray B-2
B57 12 Black B-2 Shift-lock control module
B59 3 * B-1 Interrupt relay (Security)
B60 4 * B-2Shield joint connector
(With TCS model)
B61 8 * B-2 F44
Front wiring harness
B62 20 * B-1 F45
B63 40 Gray B-1 P10Floor harness (With TCS
model)
B64 2 Black B-2 Stop light switch
B65 4 Black B-2Stop & brake switch
(With cruise control)
B66 3 Black B-2Pedal stroke sensor
(TCS)
B67 4 Black B-2Pedal stroke switch
(TCS)
B68 5 Black B-3 Slip ring
B69 11 Black B-3
Combination switch B70 9 * B-3
B71 8 * B-3
B72 6 Black B-3 Ignition switch
B73 2 Black B-3 Key lock solenoid (AT)
B74 2 Black B-3 Key warning switch
B75 2 Green C-2 B76
Test mode connector
B76 2 Green C-3 B75
B77 10 Brown B-2 Mode actuator
B79 14 Gray C-2 Check connector
B80 4 Blue B-2 i20Instrument panel wiring
harness
Connector Connecting to
No. Pole Color Area No. Name
B81 1´2 * C-2Diagnosis terminal
(Ground)
B82 6 Black C-2 Diagnosis connector
B834 * C-3Shield joint connector
(2500 cc engine model)
6 * D-4Shield joint connector
(2200 cc engine model)
B84 96Light
blueB-3Engine control module
(2500 cc engine model)
B86 4 * B-3 Blower motor resistor
B87 2 * B-3 Blower motor
B88 3 Black B-3 Evaporator thermoswitch
B89 2 Black B-3 Diode (Security)
B90 4 * B-4 R50 Room light cord
B91 4 * B-4FRESH/RECIRC actua-
tor
B92 8 * B-4 Door lock timer
B93 18 * C-2 Security control module
B94 20 Black B-4 Cruise control module
B95 2 Black B-4Diode (Daytime running
light)
B96 10 * B-4Daytime running light
control module
B97 8 * B-4 R1 Rear wiring harness
B98 24 Black B-4 R2 Rear wiring harness
B99 24 * B-4 R3 Rear wiring harness
B100 20 Blue B-4 F2Front wiring harness
(With ABS model)
B101 24 * B-4 D11 Front door cord RH
B102 5 Black B-4Daytime running light
relay
B103 4 Blue B-4High-beam relay (Day-
time running light)
B104 4 Pink B-4 Rear power supply relay
B105 5 Green B-1Starter interlock relay
(MT)
B106 2 * B-1 Clutch switch (MT)
B107 2 Blue B-1Clutch switch (Cruise
control)
B108 2 Black B-2 F46Front wiring harness
(Outback)
B109 4 Black C-1 Fuse holder (Outback)
B112 2 Black B-1 Diode (Front fog light)
B113 2 * C-1 D50 Front door cord LH
B134 35 * D-4
Engine control module
(2200 cc engine model) B135 28 * D-4
B136 30 * C-4
B176 16 * B-2Keyless entry control
module
B178 3 * B-4 R85Rear wiring harness
(Wiper deicer)
B183 1 * C-1 B184
Program connector
(Security)
B184 1 * C-1 B183
B205 2 * B-2Keyless entry short con-
nector
*: Non-colored
Connector Connecting to
No. Pole Color Area No. Name
S1 3 White D-3 Cruise control sub switch
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6-3[D8D1]WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

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

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
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8. Electrical Wiring Harness and Ground Point