SUBARU LEGACY 1996 Service Repair Manual

B6M0394A
6. 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

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.
<Ref. to 6-2 [K4A0].>
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.





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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.
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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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6-2DIAGNOSTICS
6. Security System