Subaru Legacy 2004 Service Manual page 3683

3. REAR WIPER
1) Check with Subaru Select Monitor
Step
1 CHECK INPUT OF REAR WIPER.
Check the input from body integrated unit
using Subaru Select Monitor.
1) Connect the Subaru Select Monitor to data
link connector.
2) Turn the ignition switch to ON.
3) Select {Body Integrated Unit} from the main
menu.
4) Select {Current Data Display & Save}.
5) Check the input of rear wiper switch.
2 CHECK OUTPUT OF BODY INTEGRATED
UNIT.
When the rear wiper switch is operated, check
the output using Subaru Select Monitor.
1) Turn the ignition switch to ON.
2) Operate the rear wiper switch to set to each
position of ON and INT.
3) At this time, check the output of body inte-
grated unit.
2) Rear wiper motor circuit check
Step
1 CHECK POWER SUPPLY CIRCUIT OF REAR
WIPER MOTOR.
1) Disconnect the harness connector of rear
wiper motor.
2) Turn the ignition switch to ACC.
3) Measure the voltage between the rear
wiper motor harness connector terminal and
chassis ground.
Connector & terminal
Sedan model
(R132) No. 1 (+) — Chassis ground (
Wagon model
(D43) No. 1 (+) — Chassis ground (
2 CHECK GROUND CIRCUIT OF REAR WIPER
MOTOR.
1) Turn the ignition switch to OFF.
2) Measure the resistance between the rear
wiper motor harness connector terminal and
chassis ground.
Connector & terminal
Sedan model
(R132) No. 3 — Chassis ground:
Wagon model
(D43) No. 3 — Chassis ground:
Combination Switch (Wiper)
Is the input normal?
When it is set to ON, is ON out-
put continuously? When it is
set to INT, is ON/OFF output
repeatedly? (INT OFF time
(when vehicle parked): 3 sec-
onds for Sedan, 12 seconds for
Wagon)
Is the voltage more than 10 V? Go to step 2.
$
):
$
):
Is the resistance less than 10
"?
WW-11
WIPER AND WASHER SYSTEMS
Check Yes
Go to step 2.
Check the rear
wiper motor. <Ref.
to WW-23,
INSPECTION,
Rear Wiper
Motor.>
Check Yes
Go to step 3.
No
Check the rear
wiper switch. <Ref.
to WW-8,
INSPECTION,
Combination
Switch (Wiper).>
Replace the body
integrated unit.
<Ref. to SL-46,
Body Integrated
Unit.>
No
• Check the fuse
(No. 23 in fuse &
relay box).
• Check the fus-
ible link (No. 7 in
main fuse box).
Repair the open
circuit of rear wiper
motor ground
cable.