SUBARU LEGACY 1995 Service Repair Manual

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.
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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.







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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)
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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.
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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.





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6-2DIAGNOSTICS
5. Remote Controlled Rearview Mirror

3. CHECK REARVIEW MIRROR SWITCH.
Refer to 6-2 [W18B1] for inspection of rearview mirror
switch.
B6M0402A
B6M0469A
4. CHECK HARNESS CONNECTOR BETWEEN
REARVIEW MIRROR SWITCH AND REARVIEW
MIRROR (RH AND LH).
1) Disconnect connectors of rearview mirror switch and
rearview mirror.
2) Measure resistance of harness connector between
rearview mirror switch and rearview mirror.
Connector & terminal / Specified resistance:
LHD model:
(i6) No. 1—(D15) No.1/10Ω, max. (RH)
(i6) No. 8—(D15) No.2/10Ω, max. (RH)
(i6) No. 6—(D15) No.3/10Ω, max. (RH)
(i6) No. 1—(D5)No.1/10Ω, max. (LH)
(i6) No. 9—(D5)No.2/10Ω, max. (LH)
(i6) No. 7—(D5)No.3/10Ω, max. (LH)
RHD model:
(i6) No. 1—(D5) No.1/10Ω, max. (RH)
(i6) No. 8—(D5) No.2/10Ω, max. (RH)
(i6) No. 6—(D5) No.3/10Ω, max. (RH)
(i6) No. 1—(D15) No.1/10Ω, max. (LH)
(i6) No. 9—(D15) No.2/10Ω, max. (LH)
(i6) No. 7—(D15) No.3/10Ω, max. (LH)
5. CHECK REARVIEW MIRROR MOTOR.
Refer to 6-2 [W18B2] for inspection of rearview mirror
motor.
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6-2DIAGNOSTICS
5. Remote Controlled Rearview Mirror

6. Security System
A: ELECTRICAL COMPONENTS LOCATION
B6M0403A
1Security control module

2Security indicator light

3RH door key cylinder lock/unlock switch (built-in tamper
switch)

4Door switch

5Door lock/unlock switch

6Trunk lid key cylinder unlock switch (SEDAN) (built-in tamper
switch)

7Trunk lid switch (SEDAN)

8Rear gate key cylinder lock/unlock switch (WAGON)
9Rear gate switch (WAGON)

10LH door key cylinder lock/unlock switch (built-in tamper
switch)

11Starter interrupt relay

12Headlight alarm relay

13Ignition switch (ACC position)

14Engine hood switch

15Horn

16Headlight
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6-2DIAGNOSTICS
6. Security System

B: SCHEMATIC
B6H0319
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6. Security System

C: CONTROL MODULE I/O SIGNAL
B6M0405
Content Terminal No.Measuring conditions and I/O signals
(Ignition switch ACC position)
Door lock/unlock switch1
(INPUT)
Battery voltage is present when all doors and rear gate (WAGON) are locked.

“0”volt is present when one of the doors or rear gate (WAGON) is unlocked.
Key cylinder lock switch2
(INPUT)
“0”volt is present when key cylinder is turned to LOCK position.

Battery voltage is present when key cylinder is in positions other than LOCK.
Tamper switch3
(INPUT)
Battery voltage is present when key cylinder switch is installed to key cylinder.

“0”volt is present when key cylinder switch is removed from key cylinder.
Door switch4
(INPUT)
Battery voltage is present when all doors are closed.

“0”volt is present when one of the doors is open.
Starter interrupt relay5
(OUTPUT)
Battery voltage is present when ignition switch is turned ACC or ON.

“0”volt is present when security system is in alarm state.
Ignition switch (ACC)6
(INPUT)
Battery voltage is present when ignition switch is turned ACC or ON.

“0”volt is present when ignition switch is turned OFF.
Security indicator light7
(OUTPUT)
Battery voltage is present when indicator light goes off.

“0”volt is present when indicator light illuminates.
Power supply (back-up) 8 Battery voltage is constantly present.
Ground 9—
Engine hood switch10
(INPUT)
Battery voltage is present when engine hood is closed.

“0”volt is present when engine hood is open.
Trunk lid switch (SEDAN)
Rear gate switch (WAGON)11
(INPUT)
Battery voltage is present when trunk lid or rear gate is closed.

“0”volt is present when trunk lid or rear gate is open.
Headlight alarm relay12
(OUTPUT)
Battery voltage is present when ignition switch is turned ACC or ON.

“0”volt and battery voltage repeats in alarm state. (Headlights flash intermittently
at 0.2 sec. ON and 0.6 sec. OFF intervals).
Horn relay13
(OUTPUT)
Battery voltage is present when ignition switch is turned ACC or ON.

“0”volt and battery voltage repeats in alarm state. (Horn sounds intermittently at
0.2 sec. ON and 0.6 sec. OFF intervals.)
Key cylinder unlock switch14
(INPUT)
“0”volt is present when key cylinder is turned to UNLOCK position.

Battery voltage is present when key cylinder is in positions other than UNLOCK.
Trunk lid key cylinder unlock
switch (SEDAN)15
(INPUT)
“0”volt is present when trunk lid key cylinder is turned to UNLOCK position.

Battery voltage is present when trunk lid key cylinder is in positions other than
UNLOCK.
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6-2DIAGNOSTICS
6. Security System

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.














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6. Security System