fuel warning light SUBARU LEGACY 1997 Service Repair Manual

1. Body Electrical
A: SPECIFICATIONS
BatteryReserve capacity 82 minutes (MT), 100 minutes (AT)
Cold cranking ampere 430 amperes (MT), 490 amperes (AT)
Fuse10 A, 15 A, 20 A
Combination
meterSpeedometer Electric pulse type
Tachometer Electric impulse type
Water temperature gauge Thermistor cross coil type
Fuel gauge Resistance cross coil type
Charge indicator light 12 V—1.4 W
Brake fluid level warning/parking brake indicator light 12 V—1.4 W
AT oil temperature warning light (AWD only) 12 V—1.4 W
ABS warning light 12 V—1.4 W
CHECK ENGINE warning light
(Malfunction indicator lamp)12 V—1.4 W
Oil pressure warning light 12 V—1.4 W
AIRBAG system warning light 12 V—1.4 W
Low fuel warning light 12 V—3W
FWD indicator light 12 V—1.4 W
TCS warning light 12 V—1.4 W
TCS indicator light 12 V—1.4 W
Turn signal indicator light 12 V—1.4 W (2 pieces)
Seat belt warning light 12 V—1.4 W
Door open warning light 12 V—1.4 W (5 pieces)
Headlight beam indicator light 12 V—1.4 W
Meter illumination light12 V—3 W (2 pieces)
12 V—3.4 W (4 pieces)
Headlight 12 V—60/55 W (Halogen)
Front clearance light 12 V—5W
Turn signal lightFront 12 V—21 W
Rear 12 V—21 W
Tail/Stop light 12 V—5/21 W
Back-up light 12 V—21 W
High-mount stop light12 V—18 W (SEDAN), 12 V—13 W
(WAGON)
License plate light 12 V—5W
Room light 12 V—8W
Trunk room light (SEDAN) 12 V—5W
Luggage room light (WAGON) 12 V—5W
Spot light 12 V—8 W (2 pieces)
Glove box light 12 V—3.4 W
Ash tray illumination light 12 V—1.7 W
Selector lever illumination light (AT model) 12 V—1.7 W
2
6-2SPECIFICATIONS
1. Body Electrical

B: BULB REPLACEMENT
B6M0761A
1Tachometer and temperature
gauge illumination

2Oil pressure

3CHECK ENGINE (Malfunction Indi-
cator Light)

4Tachometer illumination

5Turn signal (RH)

6Headlight beam

7Door open (Front-Right)
8Seat belt

9Door open (Front-Left)

10Door open (Rear-Right)

11Door open (Rear-Left)

12Rear gate open (Wagon)

13TCS (Operation indicator)
(TAIWAN model)

14Turn signal (LH)

15Speedometer illumination
16Speedometer and fuel gauge illumi-
nation

17Low fuel

18Charge

19Brake fluid level/parking brake

20FWD

21AT oil temperature

22ABS

23TCS (Warning) (TAIWAN model)
34
6-2SERVICE PROCEDURE
13. Combination Meter

2. CHECK LIST NO. 2
Check the following items about the vehicle’s state when
MIL turns on.
NOTE:
Use copies of this page for interviewing customers.
a) Other warning lights or indicators turn on.Yes/No
Low fuel warning light
Charge indicator light
AT diagnostics indicator light
ABS warning light
TCS warning light
Engine oil pressure warning light
b) Fuel level

Lack of gasoline:Yes/No

Indicator position of fuel gauge:
c) Intentional connecting or disconnecting of harness connectors or spark plug cords:Yes/No

What:
d) Intentional connecting or disconnecting of hoses:Yes/No

What:
e) Installing of parts other than genuine parts:Yes/No

What:

Where:
f) Occurrence of noise:Yes/No

From where:

What kind:
g) Occurrence of smell:Yes/No

From where:

What kind:
h) Intrusion of water into engine compartment or passenger compartment:Yes/No
i) Troubles occurred
Engine does not start.
Engine stalls during idling.
Engine stalls while driving.
Engine speed decreases.
Engine speed does not decrease.
Rough idling
Poor acceleration
Back fire
After fire
No shift
Excessive shift shock
87
2-7ON-BOARD DIAGNOSTICS II SYSTEM
6. Basic Diagnostic Procedure

No. Load
MB-1Fuse holder (Rear power supply & seat
heater)
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-5 Headlight alarm relay (with security)
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
Interrupt 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
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 moduleNo. Load
FB-5 ABS relay box
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 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 switch
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
TCS off switch
FB-22Blower motor relay
Check connector
Daytime running light control module
Daytime running light relay
FRESH/RECIRC actuator
Hi-beam relay
Power window and sunroof relay
Seat belt timer
FB-23 Airbag control module
FB-24 Airbag control module
FB-25 Lighting switch
20
6-3WIRING DIAGRAM
6. Wiring Diagram

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 relayNo. Load
FB-15 Transmission control module
FB-16Rear defogger
Rear defogger condenser
Rear defogger switch
FB-17 Rear defogger switch
FB-18AT shift lock control module
Inhibitor switch
FB-19 Hazard switch
FB-20Combination meter
Mode control panel
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
24
6-3WIRING DIAGRAM
6. Wiring Diagram

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-1 Diode (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 OBD-II service connector
B41 2 * C-2 Power window circuit breaker
B42 4 * C-2Power window and sunroof
relay
B43 6 Black C-2 Illumination control module
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 4 * B-2 Shield joint connector (AT)
B54 12 Black B-2
Transmission control module B55 16 Black B-2
B56 20 Black B-2
B57 12 Black B-2 Shift-lock control module
B58 5 Black B-1Headlight alarm relay
(Security)
B59 5 Black 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-2 Pedal stroke sensor (TCS)
B67 4 Black B-2 Pedal 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 switchConnector Connecting to
No. Pole Color Area No. Name
B75 2 Green C-2 B76
Test mode connector
B76 2 Green C-3 B75
B77 10 Brown B-2 Mode actuator
B78 9 Yellow C-2 Data link connector
B79 14 Gray C-2 Check connector
B80 4 Blue B-2 i20Instrument panel wiring
harness
B81 1 x 2 * C-2 Diagnosis terminal (Ground)
B82 6 Black C-2 Diagnosis connector
B83 4 * C-3 Shield joint connector (E/G)
B84 96Light
blueB-3 Engine control module
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-4 FRESH/RECIRC actuator
B92 8 * B-4 Door lock timer
B93 16 Black B-4 Security control module
B94 20 Black B-4 Cruise control module
B95 2 Black B-4 Diode (Daytime running light)
B96 10 * B-4Daytime running light control
module
B97 8 * B-4 R1 Rear wiring harness
B9820 * B-4 R2Rear wiring harness
(Other models)
24 Black B-4 R2Rear wiring harness
(2200 cc engine AWD except
Taiwan model)
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-4 Daytime running light relay
B103 4 Blue B-4High-beam relay
(Daytime running light)
B104 4 Pink B-4 Rear power supply relay
B105 4 Blue B-1 Starter interlock relay (MT)
B106 2 * B-1 Clutch switch (MT)
B107 2 Blue B-1 Clutch 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
*: Non-colored
Connector Connecting to
No. Pole Color Area No. Name
S1 3 White D-3 Cruise control sub switch
128
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point

Connector Connecting to
No. Pole Color Area No. Name
B30 24 * C-4 D1 Front door cord RH
B31 7 Yellow C-4 AB1 SRS (Airbag) harness
B32 3 Black C-4 Turn & hazard module
B36 22 Black C-3 i1
Instrument panel wiring
harness B37 22 * C-3 i2
B38 22 Brown C-3 i3
B39 20 Blue C-3 i4
B40 16 Gray C-3 OBD-II service connector
B41 2 * C-3 Power window circuit breaker
B42 4 * C-3 Power window relay
B43 6 Black C-3 Illumination control module
B44 8 * C-3 Seat belt timer
B46 4 Green B-4 Fuel pump relay
B47 6 Brown B-4 Main relay
B49 3 Black B-4 Horn relay
B50 4 * B-4 Blower relay
B51 11 Gray C-4
F/B
B52 12 Gray C-4
B53 4 * B-3 Shield joint connector (AT)
B54 12 Black B-3
Transmission control module B55 16 Black B-3
B56 20 Black B-3
B57 12 Black B-3 Shift-lock control module
B61 8 * B-4 F44
Front wiring harness
B62 20 * B-4 F45
B64 2 Black B-3 Stop light switch
B65 4 Black B-3Stop & brake switch
(With cruise control)
B68 5 Black B-3 Cruise control sub switchConnector Connecting to
No. Pole Color Area No. Name
B69 11 Black C-3
Combination switch B70 9 * C-3
B71 8 * B-3
B72 6 Black C-3 Ignition switch
B73 2 Black B-3 Key lock solenoid
B74 2 Black B-3 Key warning switch
B75 2 Green B-2 B76
Test mode connector
B76 2 Green B-2 B75
B77 7 * B-2 Mode actuator
B78 9 Yellow B-2 Data link connector
B79 14 Gray C-2 Check connector
B80 4 Blue B-2 i20Instrument panel wiring
harness
B81 1 x 2 * B-2 Diagnosis terminal (Ground)
B82 6 Black B-2 Diagnosis connector
B83 4 * C-1 Shield joint connector (E/G)
B84 96Light
blueC-2 Engine control module
B85 4 Brown B-3 Diode (Lighting)
B86 4 Black B-1 Blower motor resistor
B87 2 Black B-1 Blower motor
B88 3 Black B-1 Evaporator thermoswitch
B90 2 Green B-4 R50 Room light cord
B91 5 * B-1 FRESH/RECIRC actuator
B92 8 * B-1 Door lock timer
B94 20 Black B-1 Cruise control module
B97 56 * B-4 R1 Rear wiring harness (S.M.J.)
B101 24 * B-1 D11 Front door cord LH
B111 3 Gray C-4 F/B
B113 2 * C-4 D50 Front door cord RH
B114 2 Black C-3 Diode (Door warning)
*: Non-colored
130
6-3WIRING DIAGRAM
8. Electrical Wiring Harness and Ground Point