1997 SUBARU LEGACY fuse

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

D: DIAGNOSTICS PROCEDURE No. 2 (SHIFT
LOCK DOES NOT RELEASE.)
Check if stop light comes on when brake pedal is
depressed.
OK
Not OK
Check stop light system.
Check if voltage between shift lock control module
terminal No. 4 and body is at least 10 V when brake
pedal is depressed.
OK
Not OK
Repair or replace wiring harness or faulty connector
between stop light switch and shift lock control
module.
Check if voltage between shift lock control module
terminal No. 1 and body is at least 10 V when
ignition switch is turned ON.
OK
Not OK
Check fuse.
Repair or replace wiring harness or faulty connector
between ignition switch and shift lock control
module.
Turn ignition switch OFF.
Disconnect connector from shift lock control module.
Check if continuity exists between terminal No. 2 of
shift lock control module connector and body when
shift lever is set at“P”.
OK
Not OK
Check inhibitor switch or repair wiring harness.
Check if continuity exists between terminal No. 5 of
shift lock control module connector and body when
shift lever is set at“P”.
OK
Not OK
Check“P”position switch or repair wiring harness.
Measure resistance between terminal No. 1 of shift
lock control module connector and body.
Resistance is less than 20Ω.
OK
Not OK
Shift lock solenoid circuit is shorted. Repair or
replace wiring harness or faulty connector between
shift lock solenoid and shift lock control module.
Resistance is at least 10Ω.
OK
Not OK
Shift lock solenoid is shorted or poorly grounded.
* After repairs, recheck solenoid operation.
If still faulty, replace shift lock control module.
Check if resistance between terminal No. 10 of shift
lock control module connector and body is less than
10Ω.
OK
Not OK
Shift lock control module ground circuit open or poor
connector contact.
Replace shift lock control module.










71
6-2DIAGNOSTICS
2. AT Shift Lock System

E: DIAGNOSTICS PROCEDURE No. 3 (KEY
INTERLOCK DOES NOT OPERATE.)
Check if shift lock operates properly.
OK
Not OK
Check diagnostics procedure“No. 1”or“No. 2”.
Check if voltage between shift lock control module
terminal No. 8 and body is at least 10 V when
ignition key is inserted in its slot.
OK
Not OK
Faulty key switch.
Repair or replace wiring harness or faulty connector
between fuse box and shift lock control module.
Check if voltage between shift lock control module
terminal No. 7 and body is at least 10 V when
ignition switch is set to ACC.
OK
Not OK
Repair or replace wiring harness or faulty connector
between ignition switch and shift lock control
module.
Disconnect connector from shift lock control module.
Check if resistance between terminal No. 9 and
terminal No. 11 of shift lock control module
connector is less than 8Ω.
OK
Not OK
Key lock solenoid circuit open. Repair or replace
wiring harness or faulty connector between key lock
solenoid and shift lock control module.
Voltage is at least 4 V. (*)
OK
Not OK
Key lock solenoid is shorted.
Repair or replace wiring harness or faulty connector
between key lock solenoid and shift lock control
module.
* After repairs, recheck for proper operation.
If still faulty, replace shift lock control module.
Check if resistance between terminal No. 11 of shift
lock control module connector and body is at least 1
MΩ.
OK
Not OK
Replace shift lock control module.
*: When conducting operational checks of the key lock solenoid, do not apply 12 V to solenoid for more than one second, since
this may break solenoid circuit.






72
6-2DIAGNOSTICS
2. AT Shift Lock System

F: DIAGNOSTICS PROCEDURE No. 4 (KEY
INTERLOCK DOES NOT RELEASE.)
Check if shift lock operates properly.
OK
Not OK
Check diagnostics procedure“No. 1”or“No. 2”.
Check if voltage between shift lock control module
terminal No. 8 and body is at least 10 V when
ignition key is inserted in its slot.
OK
Not OK
Faulty key switch. Repair or replace wiring harness
or faulty connector between fuse box and shift lock
control module.
Check if voltage between shift lock control module
terminal No. 7 and body is at least 10 V when
ignition switch is set to ACC.
OK
Not OK
Repair or replace wiring harness or faulty connector
between ignition switch and shift lock control
module.
Disconnect connector from shift lock control module.
Check if resistance between terminal No. 9 and
terminal No. 11 of shift lock control module
connector is less than 8Ω. (*)
OK
Not OK
Key lock solenoid circuit open.
Repair or replace wiring harness or faulty connector
between key lock solenoid and shift lock control
module.
Voltage is at least 4 V.
OK
Not OK
Key lock solenoid is shorted.
Repair or replace wiring harness or faulty connector
between key lock solenoid and shift lock control
module.
* After repairs, recheck for proper operation.
If still faulty, replace shift lock control module.
Check if resistance between terminal No. 9 of shift
lock control module connector and body is at least 1
MΩ.
OK
Not OK
Repair or replace wiring harness or faulty connector
between key lock solenoid and shift lock control
module.
* After repairs, recheck for proper operation.
If still faulty, replace shift lock control module.
Replace shift lock control module.
*: When conducting operational checks of the key lock solenoid, do not apply 12 V to solenoid for more than one second, since
this may break solenoid circuit.






73
6-2DIAGNOSTICS
2. AT Shift Lock System

4. Power Window
A: DIAGNOSTICS PROCEDURE-1
Trouble symptom A: All door windows do not operate.
1. Check fuse and power supply.
OK
Not OK

Replace fuse or circuit breaker.

Repair or replace wiring harness.
2. Check power window relay.
OK
Not OK
Replace power window relay.
3. Check ground circuit of power window relay.
OK
Not OK
Repair or replace wiring harness.
4. Check harness connector between power
window relay and power window main switch
(driver’s door switch).
OK
Not OK
Repair or replace wiring harness.
5. Check power window main switch.
OK
Not OK
Replace power window main switch.
6. Check ground circuit of power window main
switch.
OK
Not OK
Repair or replace wiring harness.
System is OK.
B6M0390A
1. CHECK FUSE AND POWER SUPPLY.
1) Check fuse No. 15.
2) Disconnect connector of power window relay.
3) Turn ignition switch to ON.
4) Measure voltage between power window relay connec-
tor and body.
Connector & terminal / Specified voltage:
(B42) No. 1—Body / 10 V, or more
(B42) No. 2—Body / 10 V, or more






77
6-2DIAGNOSTICS
4. Power Window

5. Remote Controlled Rearview Mirror
A: DIAGNOSTICS PROCEDURE
1. Check fuse and power supply for remote
controlled rearview mirror switch.
OK
Not OK

Replace fuse.

Repair or replace wiring harness.
2. Check ground circuit of rearview mirror
switch.
OK
Not OK
Repair or replace wiring harness.
3. Check rearview mirror switch.
OK
Not OK
Replace rearview mirror switch.
4. Check harness connector between rearview
mirror switch and rearview mirror (RH and
LH).
OK
Not OK
Repair or replace wiring harness.
5. Check rearview mirror motor.
OK
Not OK
Replace rearview mirror.
System is OK.
B6M0400A
1. CHECK FUSE AND POWER SUPPLY FOR REMOTE
CONTROLLED REARVIEW MIRROR SWITCH.
1) Check fuse No. 3.
2) Disconnect connector of rearview mirror switch.
3) Turn ignition switch to ON.
4) Measure voltage between rearview mirror switch con-
nector and body.
Connector & terminal / Specified voltage:
(i6) No. 4—Body / 10 V, or more
B6M0401A
2. CHECK GROUND CIRCUIT OF REARVIEW
MIRROR SWITCH.
1) Disconnect connector of rearview mirror switch.
2) Measure resistance of harness connector between
rearview mirror switch and body.
Connector & terminal / Specified resistance:
(i6) No. 2—Body / 10Ω, max.





85
6-2DIAGNOSTICS
5. Remote Controlled Rearview Mirror

E: DIAGNOSTICS PROCEDURE FOR
SECURITY CONTROL MODULE POWER
SUPPLY/GROUND CIRCUIT
1. Check fuse and power supply circuit.
OK
Not OK

Replace fuse.

Repair or replace wiring harness.
2. Check ground circuit between security control
module and body.
OK
Not OK
Repair or replace wiring harness.
Go to next step on basic diagnostics procedure.

B6M0504A
1. CHECK FUSE AND POWER SUPPLY CIRCUIT.
1) Check fuse No. 25.
2) Measure voltage between main fuse box connector and
body.
Connector & terminal / Specified voltage:
(F35) No. 2—Body / 10 V, or more
B6M0448A
3) Disconnect connector from security control module.
4) Measure voltage between security control module con-
nector and body.
Connector & terminal / Specified voltage:
(B93) No. 8—Body / 10 V, or more
B6M0505A
5) Check fuse No. 3.
6) Turn ignition switch to ACC.
7) Measure voltage between fuse and relay box connec-
tor and body.
Connector & terminal / Specified voltage:
(i5) No. 13—Body / 10 V, or more


93
6-2DIAGNOSTICS
6. Security System

B6M0507A
2. CHECK POWER SUPPLY FOR HORN RELAY.
1) Check fuse No. 12.
2) Remove horn relay without disconnecting connector.
3) Measure voltage between horn relay connector and
body.
Connector & terminal / Specified voltage:
(B49) No. 2—Body / 10 V, or more
B6M0459
3. CHECK CONTINUITY OF HORN RELAY.
1) Remove horn relay.
2) Check continuity between terminals No. 1 and No. 2 of
horn relay.
B6M0501A
4. CHECK HARNESS CONNECTOR BETWEEN HORN
RELAY AND SECURITY CONTROL MODULE.
1) Disconnect connectors of horn relay and security con-
trol module.
2) Measure resistance of harness connector between horn
relay and security control module.
Connector & terminal / Specified resistance:
(B49) No. 1—(B93) No. 13 / 10Ω, max.
5. CHECK HORN RELAY.
Refer to 6-2 [W15B2] for inspection of horn relay.
105
6-2DIAGNOSTICS
6. Security System