SsangYong Rodius (2013 year). Manual — part 131

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The wiper relay (LO) is turned on and the wiper motor runs one cycle when the wiper sensitivity is

changed to 2 from 1 during receiving the malfunction signal (3) from the rain sensor (while the
ignition key is in “ON” position and the wiper switch is in “AUTO” position). Also, the wiper

relay (LO) is turned on and the wiper motor runs one cycle when the wiper sensitivity is changed to

2 from 1 during receiving the ground fixed or IGN fixed signal from the rain sensor.

3)

The wiper relay (LO) is turned on and the wiper motor runs one cycle when the wiper sensitivity is

changed to 3 from 4 during receiving the malfunction signal (2) from the rain sensor (while the
ignition key is in “ON” position and the wiper switch is in “AUTO” position).

2)

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3. OPERATION MODE OF RAIN SENSING WIPER SYSTEM

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4. FUNCTIONS OF RAIN SENSOR

1) Windshield Glass and Coupler Attachment

Check the outer windshield surface of sensing area for wear, damage and scratch. The sensor is able

to compensate the wear up to a specific level. Check the coupler attached surface of windshield for

porosity. If the porosity exists, the sensor cannot function properly.

2) Recognition of AUTO Mode

3) Instant Wipe Function

When the variable resistance knob on the multifunction wiper switch is turned by each 1 stage from

low sensitivity (S mark) to high sensitivity (F mark), the wiper operates one cycle.

And, the wiper also operates during raining up to 5 minutes after rain stops.

When the engine is started with the wiper switch “AUTO” position, the wiper operates one
cycle to remind a driver that the wiper switch is in “AUTO” position.
When the wiper switch is turned to “AUTO” from OFF, the wiper operates one cycle. It always

operates one cycle for the initial operation, however, the wiper does not operate afterwards to
prevent the wiper blade wear if not raining when turning the wiper switch to “AUTO” from
“OFF”. However, the wiper operates up to 5 minutes after rain stops.

If this function does not occur, check No. 2 terminal on the rain sensor. If any defective cannot be

found, check the wiper relay (LOW) for defective.

1.

2.

3.

If the installed wiper brushes are out of specification (size and length), the rain sensing area
cannot be fully wiped. In this case, the rain sensor’s sensitivity could be decreased and

the wipers are not properly operated.

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The followings are the detailed description of the functions and operations of the rain sensing wiper

control.

As described, the STICS recognizes the wiper switch “AUTO” position. If there are not any

problem, go to diagnosis mode in STICS and check the terminal that receives signal from wiper

and communication lines between rain sensor unit and STICS.

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When the variable resistance knob is rotated by 4 stage from 0 stage without stopping, the wiper
operates one cycle. The wiper operates one cycle when changing the wiping stage (0 →
1, 1 → 2, 2 → 3).

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4) Washer Coupled Wiper Function

Check the washer coupled wiper operation by pressing the washer switch.

5) Irregular Operations (Abrupt Operations)

6) Self Diagnosis

Position the wiper switch to “AUTO”

position and rotate the variable resistance knob from

“FAST” toward “SLOW” by one step.
At this moment, check if the wiper operates one cycle.

The wiper operates when the windshield glass is excessively worn or scratched, the windshield glass is

not cleared wiped due to using worn wiper blade or different wiper blade, or the rain sensor is not

improperly installed.

Check the sensor for coming off.

Check the rain sensor cover installation.

Check that the customer is familiar to how to control the wiper sensitivity.

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If the wiper blade cannot wipe the glass uniformly and clearly, the irregular operations could be

occurred. And, the wiper blade should be replaced with new one with same specifications.

Check that the customer can select the sensitivity by selecting the variable resistance value (stage 1 to

stage 5), that is, the wiper sensitivity control value. And, also check whether the sensitivity is selected

to the highest value of FAST (stage 5).

Check the wiper blade for wear.

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▶Poor sensing

▶Poor sensor

Rotate the variable resistance knob toward “SLOW”

by 2 more steps. At this moment, check if

the wiper operates one cycle.

The wiper operates when the sensor is defective.