1995 SUBARU LEGACY window

B: DIAGNOSTICS PROCEDURE-2
Trouble symptom B: Only driver’s door window does not
operate.
1. Check power supply for power window main
switch.
OK
Not OK
Go to diagnostics procedure of trouble symptom A.

2. Check power window main switch (driver’s
door switch).
OK
Not OK
Replace power window main switch.
3. Check ground circuit of power window main
switch.
OK
Not OK
Repair or replace wiring harness.
4. Check driver’s door window motor.
OK
Not OK
Replace power window motor.
5. Check harness connector between power
window main switch and driver’s door
window motor.
OK
Not OK
Repair or replace wiring harness.

System circuit is OK.

Mechanical trouble may be caused in door
window system such as break of window
regulator.
B6M0395A
1. CHECK POWER SUPPLY FOR POWER WINDOW
MAIN SWITCH.
1) Disconnect connector of power window main switch.
2) Turn ignition switch to ON.
3) Measure voltage between power window main switch
connector and body.
Connector & terminal / Specified voltage:
(D7) No. 7—Body / 10 V, or more
2. CHECK POWER WINDOW MAIN SWITCH
(DRIVER’S DOOR SWITCH).
Refer to 6-2 [W16B1] for inspection of power window main
switch.





76
6-2DIAGNOSTICS
4. Power Window

B6M0394A
3. CHECK GROUND CIRCUIT OF POWER WINDOW
MAIN SWITCH.
1) Disconnect connector of power window main switch.
2) Measure resistance of harness connector between
power window main switch and body.
Connector & terminal / Specified resistance:
(D7) No. 12—Body / 10Ω, max.
4. CHECK DRIVER’S DOOR WINDOW MOTOR.
1) Disconnect connector of power window motor (driver’s
door).
2) Make sure that power window motor rotates properly
when battery voltage is applied to terminals of motor con-
nector.
3) Change polarity of battery connections to terminals to
ensure that motor rotates in reverse direction.
B6M0396A
5. CHECK HARNESS CONNECTOR BETWEEN
POWER WINDOW MAIN SWITCH AND DRIVER’S
DOOR WINDOW MOTOR.
1) Disconnect connectors of power window main switch
and power window motor (driver’s door).
2) Measure resistance of harness connector between
power window main switch and power window motor.
Connector & terminal / Specified resistance:
LHD model:
(D7) No. 8—(D3) No.2/10Ω, max.
(D7) No. 13—(D3) No.1/10Ω, max.
RHD model:
(D7) No. 6—(D3) No.2/10Ω, max.
(D7) No. 11—(D3) No.1/10Ω, max.
77
6-2DIAGNOSTICS
4. Power Window

C: DIAGNOSTICS PROCEDURE-3
Trouble symptom C: One or more of passenger’s door win-
dow do not operate.
1. Check power supply for power window sub
switch which is out of order.
OK
Not OK
Repair or replace wiring harness.
2. Check power window sub switch which is out
of order.
OK
Not OK
Replace power window sub switch.
3. Check power window motor which is out of
order.
OK
Not OK
Replace power window motor.
4. Check harness connector between power
window sub switch and power window motor.
OK
Not OK
Repair or replace wiring harness.
5. Check harness connector between power
window sub switch and main switch.
OK
Not OK
Repair or replace wiring harness.
6. Check power window main switch.
OK
Not OK
Replace power window main switch.
7. Check ground circuit of power window main
switch.
OK
Not OK
Repair or replace wiring harness.

System circuit is OK.

Mechanical trouble may be caused in door
window system such as break of window
regulator.







78
6-2DIAGNOSTICS
4. Power Window

B6M0397A
1. CHECK POWER SUPPLY FOR POWER WINDOW
SUB SWITCH WHICH IS OUT OF ORDER.
1) Disconnect connector of power window sub switch.
2) Turn ignition switch to ON.
3) Measure voltage between power window sub switch
connector and body.
Connector & terminal / Specified voltage:
(D17) No. 5—Body / 10 V, or more
(Front passenger)
(D31) No. 5—Body / 10 V, or more (Rear RH)
(D25) No. 5—Body / 10 V, or more (Rear LH)
2. CHECK POWER WINDOW SUB SWITCH WHICH IS
OUT OF ORDER.
Refer to 6-2 [W16B2] for inspection of power window sub
switch.
3. CHECK POWER WINDOW MOTOR WHICH IS OUT
OF ORDER.
1) Disconnect connector of power window motor.
2) Make sure that power window motor rotates properly
when battery voltage is applied to terminals of motor con-
nector.
3) Change polarity of battery connections to terminals to
ensure that motor rotates in reverse direction.
B6M0398A
4. CHECK HARNESS CONNECTOR BETWEEN
POWER WINDOW SUB SWITCH AND POWER
WINDOW MOTOR.
1) Disconnect connectors of power window sub switch and
power window motor.
2) Measure resistance of harness connector between
power window sub switch and power window motor.
Connector & terminal / Specified resistance:
(D17) No. 2—(D13) No.1/10Ω, max.
(Front passenger)
(D17) No. 4—(D13) No.2/10Ω, max.
(Front passenger)
(D31) No. 2—(D30) No.1/10Ω, max. (Rear RH)
(D31) No. 4—(D30) No.2/10Ω, max. (Rear RH)
(D25) No. 2—(D24) No.1/10Ω, max. (Rear LH)
(D25) No. 4—(D24) No.2/10Ω, max. (Rear LH)
79
6-2DIAGNOSTICS
4. Power Window

B6M0399A
B6M0467A
B6M0468A
5. CHECK HARNESS CONNECTOR BETWEEN
POWER WINDOW SUB SWITCH AND MAIN SWITCH.
1) Disconnect connectors of power window sub switch and
main switch.
2) Measure resistance of harness connector between
power window sub switch and main switch.
Connector & terminal / Specified resistance:
LHD model:
(D17) No. 1—(D7) No.9/10Ω, max.
(Front passenger)
(D17) No. 3—(D7) No. 14 / 10Ω, max.
(Front passenger)
(D31) No. 1—(D7) No.6/10Ω, max. (Rear RH)
(D31) No. 3—(D7) No. 11 / 10Ω, max. (Rear RH)
(D25) No. 1—(D7) No. 10 / 10Ω, max. (Rear LH)
(D25) No. 3—(D7) No.5/10Ω, max. (Rear LH)
RHD model:
(D17) No. 1—(D7) No. 10 / 10Ω, max.
(Front passenger)
(D17) No. 3—(D7) No.5/10Ω, max.
(Front passenger)
(D31) No. 1—(D7) No.9/10Ω, max. (Rear RH)
(D31) No. 3—(D7) No. 14 / 10Ω, max. (Rear RH)
(D25) No. 1—(D7) No. 13 / 10Ω, max. (Rear LH)
(D25) No. 3—(D7) No.8/10Ω, max. (Rear LH)
6. CHECK POWER WINDOW MAIN SWITCH.
Refer to 6-2 [W16B1] for inspection of power window main
switch.
B6M0394A
7. CHECK GROUND CIRCUIT OF POWER WINDOW
MAIN SWITCH.
1) Disconnect connector of power window main switch.
2) Measure resistance of harness connector between
power window main switch and body.
Connector & terminal / Specified resistance:
(D7) No. 12—Body / 10Ω, max.
80
6-2DIAGNOSTICS
4. Power Window

D: BASIC DIAGNOSTICS PROCEDURE
Start security system check.
Fully open all door windows and turn ignition switch OFF.
Take key out of ignition, exit vehicle and lock driver’s door.
Indicator light illuminates.
OK The light flashes.
 The light does not
illuminate.
Check indicator harness.
Check security indicator light.
Check driver’s door key cylinder lock/unlock switch.
Check security control module.
Check whether switch input signal remains UNLOCK.
Check wiring harness.
Check switch input signals.
(Harnesses and switches separately)
(Tamper, door, hood, trunk and rear gate
switch)Check security control module.
Wait for 30 seconds.
Indicator light flashes at long intervals (0.2 sec. ON and 2.4 sec.
OFF).
OK
 Not OK
Check security control module.
Unlock driver’s door using the inside lock knob and open door.
The horn sounds and headlights flash intermittently at 0.2 sec. ON
and 0.6 sec. OFF intervals.
The engine will not start even if the ignition switch is turned to
START. Indicator lamp goes out.
OK Starter motor runs.
 All are not OK.
Check driver’s door switch.
Check wiring harness.
Check security control module.
 Horn is not OK.
Check horn
operation by
pushing horn pad
on steering wheel.
OK
 Not OK
Check horn.
Check horn relay.
Check security control module.
Check harness between horn relay and security control module.
 Headlights are not
OK.
Check headlights
operation by
turning light switch
ON/OFF.
OK
 Not OK
Check headlight
bulbs.
Check combination
switch.
Check headlight
relay.
Check starter interrupt relay.
Check wiring harness.
Check security control module.Check headlight alarm relay.
Check security control module.
Check wiring harness.
The alarm system continues to operate for 150 seconds.
OK Not OK
The horn and
headlights turn off.
The starter motor
does not run.
OK
 Not OK
Check security
control module.
Unlock the driver’s door using ignition key.
Continues to next step.














86
6-2DIAGNOSTICS
6. Security System

No. Load
MB-1 Fuse holder (Rear power supply)
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-7Combination meter
Daytime running light control module
Diode (Lighting)
Diode (Security)
Lighting switch
Luggage room light
Room light
Step light
Trunk room light
MB-8Combination meter
Front fog light switch
Headlight RH
MB-9Door lock timer
Headlight alarm relay
Interrupt relay
Radio
Security control module
Security indicator light
Spot light
MB-10 A/C relay holder
SBF-6Hydraulic unit (A.B.S.)
T.C.S. motor relay
SBF-7 T.C.S. valve relay
ALT-1Combination meter
Daytime running light control module
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-2 Diode (A/C)
FB-3Sub fan motor
Sub fan relay-2
FB-4Engine control module
Fuel pump relay
Transmission control module
FB-5 Hydraulic unit (A.B.S.)
FB-6Front clearance light LH
Front clearance light RH
Side marker light LH
Side marker light RHNo. Load
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-13Remote 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-15A.B.S./T.C.S. 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
T.C.S. off switch
FB-21 Combination meter (Airbag)
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
FB-26 Parking switch
FB-27 Parking switch
FB-28 Illumination light
FB-29 Illumination light
FB-30Pedal stroke sensor
Stop light switch
Stop & brake switch
FB-31 Horn relay
FB-32 Blower motor relay
FB-33 Parking 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-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-2 Diode (A/C)
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 switchNo. Load
FB-18AT shift lock control module
Inhibitor switch
FB-19 Hazard switch
FB-20Combination meter
Mode control panel
FB-21 Combination meter (Airbag)
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
24
6-3WIRING DIAGRAM
6. Wiring Diagram