WW-9
Combination Switch (Wiper)
WIPER AND WASHER SYSTEMS
2. REAR WIPER
1) Check with Subaru Select Monitor
Step
Check
Yes
No
1
CHECK INPUT OF REAR WIPER SWITCH.
Check the input from body integrated unit using
the Subaru Select Monitor.
1) Prepare the Subaru Select Monitor kit.
2) Turn the ignition switch to ON.
3) On «System Selection Menu» display,
select {Integ. unit mode}.
4) Select {Current Data Display & Save}.
5) Check the input of the rear wiper switch.
Is the input normal?
Go to step
4.
Go to step
2.
2
CHECK HARNESS.
1) Turn the ignition switch to OFF, disconnect
the ground cable from battery.
2) Disconnect the connector of body inte-
grated unit.
3) Disconnect the connector from wiper
switch.
4) Measure the resistance between body inte-
grated unit and wiper switch, and between
wiper switch and chassis ground.
Connector & terminal
(B281) No. 18 — (B70) No. 10:
(B281) No. 27 — (B70) No. 13:
(B281) No. 28 — (B70) No. 12:
(B70) No. 8 — Chassis ground:
Is the resistance less than 10
Ω?
Go to step
3.
Repair the harness
between body inte-
grated unit and
wiper switch, and
between wiper
switch and chassis
ground.
3
CHECK INPUT VOLTAGE OF BODY INTE-
GRATED UNIT.
1) Connect the ground cable to battery.
2) Turn the ignition switch to ACC.
3) Check the input voltage of body integrated
unit.
Connector & terminal
(B280) No. 7 (+) — Chassis ground (–):
Is the voltage 10 V or more?
Go to step
4.
Check the harness
and fuse.
4
CHECK OUTPUT OF BODY INTEGRATED
UNIT.
When the rear wiper switch is operated, check
the output using the Subaru Select Monitor.
1) Turn the ignition switch to ON.
2) Operate the rear wiper switch and set to
each position of ON and INT.
3) At this time, check the body integrated unit
output.
When set to ON, is ON output
continuous? When set to INT, is
ON/OFF output repeated? (4
door model: INT OFF time
(when vehicle parked): 3 sec-
onds; 5 door model: INT OFF
time (when vehicle parked): 12
seconds)
Check the rear
wiper motor circuit.
Replace the body
integrated unit.
<Ref. to SL-48,
Body Integrated
Unit.>