Description |
1. |
Wiper Control System
When "AUTO" switch signal is received from the multi-function
switch on the right, the integrated rain sensor detects the amount of
rainfall. The sensor is installed inside the upper part of the front
window for wiper motor control.
This system automatically controls the operation duration and
speed of the wiper depending on the measured amount of rainfall even if
the driver does not operate the wiper switch. |
Functions and Operating Principles |
1. |
Detecting the amount of rainfall
The light (beam) emitted from light emitting diodes (LED) is
totally reflected on the external surface of the windshield and comes
back to the photo diodes. When there is water on the external surface of
the windshield, the light is optically separated and reflected
partially and the remaining brightness is measured by the photo diodes.
Water remaining on the windshield results in the light being not totally
reflected. The loss of brightness due to this indicates how much the
glass surface is wet. |
1. |
Dust on the measuring surface and other surfaces on the
light path (surface of light emitting diodes and photo diodes, fiber
optics, bracket, and glass surface of windshield joint area) weakens the
received light. |
2. |
Movement of windshield and bracket |
3. |
Movement of bracket due to vibration |
4. |
Damaged wiper blade |
|
1. |
Operational status of rain sensor
|
1. |
When there is ice or foreign matter in the detecting area,
integrated rain sensor cannot recognize the condition for operation
correctly. |
1. |
Rain sensor
|
Hyundai Elantra AD (2016-2020) Owners Manual: If the Engine Will not Start
If the Engine Doesn't Turn Over or Turns Over Slowly
Be sure the shift lever is in N (Neutral) or P (Park). The engine starts
only when the shift lever is in N (Neutral) or P (Park).
Check the battery connections to be sure they are clean and tight.
Turn on the interior light. If the ...
Hyundai Elantra AD (2016-2020) Service Manual: Antenna Repair procedures
Inspection
Glass Antenna Test
1.
Wrap aluminum foil (A) around the tip of the tester probe (B) as shown.
2.
Touch one tester probe to the glass antenna terminal (A) and
move the other tester probe along the antenna wires to check that
continuity exists.
Glass Antenna Repair
&nb ...