Kia Cee'd: Windshield Wiper/Washer / Rain Sensor Repair procedures
Kia Cee'd JD Service Manual / Body Electrical System / Windshield Wiper/Washer / Rain Sensor Repair procedures
| Inspection |
Rain Sensing Wiper
| 1. |
In IGN2 ON state, if auto switch input (LIN communication) is ON then
both wiper low relay and wiper high relay outputs are controlled by
the rain sensor input signal.
|
| 2. |
If the wiper switch has been left in automatic mode with the vehicle
ignition OFF, and then the vehicle ignition switch is turned on, a single
wipe will be performed.
|
| 3. |
A single wipe will be performed whenever rain has been detected (Rain
Detected signal from Rain sensor) and the wiper switch is moved to the
AUTO position. But a single wipe will not be performed when the wiper
switch is moved to the AUTO position and OFF signal is being received
from Rain sensor. But if the wiper switch is moved to AUTO position
for the first time since vehicle ignition switch is turned on then a
single wipe will be performed regardless of Rain Detected or OFF signal.
|
| 4. |
The drive may adjust the rain sensor performance by adjusting the sensitivity
input. When in automatic mode, the BCM will perform a single wipe each
time the sensitivity is adjusted upward to a more sensitive setting
(downward more then one step). This single wipe will only be performed
if Rain Detected signal is being received from the Rain sensor. If the
sensitivity adjustment is adjusted upward more than one sensitivity,
the BCM will only perform a single wipe unless the time between Increases
is more than 2 seconds.
|
| 5. |
Fault strategy for the rain sensor
Rain Sensor Fault 1 - Internal Fault Detected
This failure is detected when the wiper is in automatic mode and the
input faulty rain sensor from the rain sensor has a duty cycle corresponding
to Fault 1. The confirmation delay for the failure is of 1 sec.
When this failure is detected, the wiper outputs are OFF and the wiper
will also do a wipe in slow speed on the transition from sensitivity
3 to sensitivity 2 (Step 2 to 3) in order to signal the presence of
this fault. If another sensitivity is set, the wiper won’t make any
additional wipe.
Rain Sensor Fault 2 - Glass Attachment Fault Detected
This failure is detected when the wiper is in automatic mode and the
input faulty rain sensor from the rain sensor has a duty cycle corresponding
to Fault 2. The confirmation delay for the failure is of 1 s.
When this failure is detected, the wiper outputs are OFF and the wiper
will also do a wipe on the transition from sensitivity 4 to sensitivity
3 (Step 1 to 2) in order to signal the presence of this fault. If another
sensitivity is set, the wiper won’t make any additional wipe.
Rain Sensor Fault 3 - No Input Signal Present
This failure is detected when the wiper is in automatic mode and the
input faulty rain sensor from the rain sensor has a duty cycle corresponding
to Fault 3 or in case the duty cycle of the input faulty rain sensor
is 0% or 100%. The confirmation delay for the failure is of 1 s.
When this failure is detected, the wiper outputs are OFF.
|
| Removal |
The rain sensor may not operate proprly if contaminated. Protect the
rain sensor surface by not removing the cover until installation time.
The coupling pad on the rain sensor surface has adhesive strength. Take
care when installing the sensor. If the sensor is separated from the
windshield by force, the sensor or windshield may be damaged. Take care
when removing the sensor.
|
| 1. |
Remove the rain sensor cover first. Be careful not to damage the cover
latch by applying excessive force. To remove the latch, pull aside the
latch using the cover hole (B) with the little (-) screwdriver (A).
|
| 2. |
Remove the wiring harness connector from sensor.
|
| 3. |
Rain sensor module is attached to the front windshield by glue replacing
the front windshield, remove the rain sensor module from the existing
front windshield and install on the new front windshield.
|
| Installation |
|
| 1. |
Install the rainsensor bracket to the windshield glass using the tape.
|
| 2. |
Connect the rainsensor connector, and then install the sensor cover.
|
Rain Sensor Description and operation
Description
The Rain sensing windshield wiper system is a wiper system that, in addition
to providing normal wiper functions off, mist, manual low speed, manual high
speed, and w ...
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