1997 SUBARU LEGACY engine

1. ENGINE ROOM
B2M0018D
1FWD switch (AT)

2A/C pressure switch

3Oil pressure switch

4M/B

5Headlight relay LH

6Headlight relay RH
7A/C compressor relay

8A/C main fan relay 2

9A/C sub fan relay 2

10A/C main fan relay 1

11A/C fuse
111
6-3WIRING DIAGRAM
7. Electrical Unit Location

8. Electrical Wiring Harness and
Ground Point
B6M0267A
1Front wiring harness

2Engine wiring harness

3Room light cord

4Bulkhead wiring harness

5Instrument panel wiring harness

6Front door cord RH

7Rear door cord RH

8Rear wiring harness

9Trunk lid cord (Sedan)
10Rear defogger ground cord (Sedan)

11Fuel tank cord

12Rear door cord LH

13Front door cord LH

14Sunroof cord

15Floor wiring harness

16Transmission cord

17Rear gate cord (Wagon)

18Rear oxygen sensor cord
11 6
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

2. BULKHEAD WIRING HARNESS AND GROUND POINT (IN ENGINE ROOM)

LHD model
B6M0679
121
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

Connector Connecting to
No. Pole Color Area No. Name
B1 2 * B-2 Pressure source switching solenoid
B2 3 Black B-2 Pressure sensor
B3 5 Gray B-2 Mass air flow sensor
B4 2 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 16 Gray B-3 T4
Transmission (AT)
B12 12 Gray B-2 T3
B13 6 Gray B-3 Ignitor
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 2 Black B-2 Vehicle speed sensor
B18 3 Dark gray B-2 Front oxygen sensor
B194 * B-2 T5 Rear oxygen sensor cord (Other models)
4 * B-2 Rear oxygen sensor (California model)
B20 6 Light gray B-2 E1
Engine wiring harness B21 12 Light gray B-2 E2
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)
*: Non-colored
122
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

2. BULKHEAD WIRING HARNESS AND GROUND POINT (IN ENGINE ROOM)

RHD model
EPA0101
123
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

Connector Connecting to
No. Pole Color Area No. Name
B1 2 Brown B-2 Pressure sources switching solenoid
B2 3 Black B-2 Pressure sensor
B3 5 Gray B-2 Mass air flow sensor
B4 2 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 16 Gray B-3 T4
Transmission
B12 12 Gray B-2 T3
B13 6 Gray B-3 Ignitor
B14 1 Black B-3 Starter (Magnet)
B16 2 Gray B-2 Brake fluid level switch
B17 2 Black B-3 Vehicle speed sensor
B18 3 Dark gray B-2 Front oxygen sensor
B194 * B-2 T5 Rear oxygen sensor cord (Other models)
4 * B-2 Rear oxygen sensor (California model)
B20 6 Light gray B-2 E1
Engine wiring harness B21 12 Light gray B-2 E2
B22 16 Light gray 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
124
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

3. ENGINE WIRING HARNESS, TRANSMISSION CORD AND GROUND POINT
EPA0102
125
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

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
126
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point